PRODUCT BULLETIN

1
HD465-
HD605
7E0
-7E0
Off-Highway Trucks
INTERNAL USE ONLY

Introducing the HD465-7E0 and

HD605-7E0 Off-Highway Trucks
ecot3

Komatsu has been developing and manufacturing in house both the

construction vehicles and engines: equipment since 1931 and diesel
engines since 1935. Supported by such experience, the ecot3
technology was developed aiming for preservation of the Earth's
environment (Ecology) and the customer's productivity (Economy). What
makes us successful is our strong technological capabilities and power
that integrates them into efficient machinery.

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TABLE OF CONTENTS

DESIGN CONCEPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04
OUTLINE OF IMPROVEMENTS . . . . . . . . . . . . . . . . . . . . . . 05
SALES FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09
• Tier 3 Emission certified engine . . . . . . . . . . . . . . . . . . . . . . . . . . 09
• Fuel consumption Improvement . . . . . . . . . . . . . . . . . . . . . . . . . . 15
• Improvement in operator's comfort and . . . . . . . . . . . . . . . . . . . . . 26
• Improvement in environmental friendliness . . . . . . . . . . . . . . . . . . 28
INTERCHANGEABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
COMPARATIVE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 33

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DESIGN CONCEPT

This minor change of Komatsu off-highway truck HD465-7 and

HD605-7 was designed to have the following features while
maintaining the superior performance of the current models.
• Tier 3 Emission certified engine
• Fuel consumption Improvement
• Improvement in operator's comfort
• Improvement in environmental friendliness

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OUTLINE OF IMPROVEMENTS [No.1]
Installation of Tier 3 emission certified engine

1. Tier 3 emission regulation values

2. Tier 3 engine designation
3. Method for achievement
• Clean and high performance Komatsu SAA6D170E-5 engine
• Lowering of combustion temperature with cooled EGR
• Larger cooling system
• Fuel pre-filter

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OUTLINE OF IMPROVEMENTS [No.2]
Fuel consumption improvement

1. Addition of variable horsepower control in Economy mode

2. Upgrading of transmission control
3. Reduction of power loss
• Addition of brake cooling valve
• Separation of oil flow from the steering circuit pumps
• Adoption of variable transmission main relief pressure
• Fuel consumption of HD465-7

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OUTLINE OF IMPROVEMENTS [No.3]
Improvement in operator's comfort

1. Modified sections
• Adoption of glass laminate
• 3-inch (75 mm) seat belt adopted as standard equipment
• Change of location of fresh-air intake for air conditioner
• Prevention of upshifting to F2 and above gears while the body is being
raised
• Addition of front and rear under view mirrors

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OUTLINE OF IMPROVEMENTS [No.4]
Improvement in environmental friendliness

1. Reduction of hazardous substance

• Adoption of lead-free radiator (integral construction aluminum radiator)
2. Prevention of oil spillage
• Addition of brake floating seal drain oil recovery tank

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SALES FEATURES [No.1] New sales Feature

Installation of Tier 3 emission certified engine (1/6)

1. Tier 3 emission regulation values
Installation of newly developed EPA Tier 3 and the EU stage 3A emission
certified engine, effective from January 2006.

Regulated EPA Emission Regulation EU Emission Regulation

Unit
Substance Tier 3 Tier 2 Stage 3A Stage 2

HC (Hydrocarbon) g/kW·h 4.0 6.4 4.0 1.0

NOx (Nitrogen NOx + NMHC NOx + NMHC NOx + NMHC
g/kW·h 6.0
oxides)
PM (Particulate
g/kW·h 0.20 0.20 0.20 0.20
matter)
EPA: 225 <= kW < 450 EU: 130 <= kW <560 NMHC = HC X 0.98 (98% of HC total value) (Definition by EPA)

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SALES FEATURES [No.2] New sales Feature

Installation of Tier 3 emission certified engine (2/6)

2. Tier 3 engine designation

Model HD465/605
Item M/C model Current model

Engine SAA6D170E-5 SAA6D170E-3

Tier 3 emission certified Yes No

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 SALES FEATURES [No.3] New sales Feature

Installation of Tier 3 emission certified engine (3/6)

3. Method for achievement (1/2)
Clean and high performance Komatsu SAA6D170E-5 engine (1/2)
The clean and high performance engine adopts cooled EGR, turbocharger
with high compression ratio, etc.

High efficiency
Komatsu
Heavy duty cooled turbocharger
EGR system

High Pressure
Common Rail Fuel
High efficient fuel filter Injection System
system for poor fuel

Electronic Control
Unit

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Tightening of the regulation from Tier 2 to Tier 3 means the significant reduction of NOx. To reduce NOx significantly,
the combustion temperature in the cylinder is be lowered by delaying the injection timing, but when the temperature in
the cylinder is lowered, PM will increase and the fuel consumption will worsen.
Therefore, the multi-stage injection, electronic-controlled, high pressure common rail injection system is installed as the
fuel injection system. This system realizes nearly perfect combustion and reduces PM. In addition, this system raises the
horsepower and is effective to reduce fuel consumption and noise.
In the exhaust system, the air-cooled aftercooler and the cooled EGR (Exhaust Gas Recirculation) system equipped with
venturi have been adopted to realize reductions of NOx and fuel consumption.

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 SALES FEATURES [No.4] New sales Feature

Installation of Tier 3 emission certified engine (4/6)

3. Method for achievement (2/2)
Lowering of combustion temperature with cooled EGR

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EGR: When gas once exhausted is mixed with intake air and returns into the cylinder, the combustion temperature will
lower and, consequently, NOx will reduce. This system reduces NOx without any affect on fuel consumption.

Cooled EGR: Since a water-cooled cooler is provided halfway in the re-circulation piping of the EGR, the system cools
exhaust gas highly heated by combustion with the cooler, feeds it to the intake side, and lowers combustion temperature
more than the traditional EGR by lowering intake air temperature to bring about the effect to reduce NOx. The latest
engines for on-road trucks adopt this cooled EGR.

Komatsu's Cooled EGR: Since engines of construction machinery are used with large load and in wide speed range,
Komatsu has equipped the EGR with a bypass valve to control air intake pressure in addition to EGR circuit and EGR
valve. These two valves are highly durable and reliable "electronic-controlled hydraulic drive type valves" developed by
KOMATSU. This EGR is a heavy-duty twin valve cooled type with large capacity. Komatsu has produced this EGR
cooler from highly corrosion resistant materials to withstand various operation environments in the world.

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SALES FEATURES [No.5] New sales Feature

Installation of Tier 3 emission certified engine (5/6)

4. Additional upgrades (1/2)
Changes related to the cooling system
In order to display the performance of engines complying with Tier 3,
Komatsu reviewed the cooling system and adopted a large capacity
aluminum radiator, a large hybrid fan, and a large capacity aftercooler.

HD465/605
Item Unit
M/C model Current model

Aluminum core Brass core,

Type –
module type bolt-on type
Radiator
Radiating area ratio % 109 100

Fan Diameter mm 1120 950

Aftercooler Radiating area ratio % 125 100

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SALES FEATURES [No.6] New sales Feature

Installation of Tier 3 emission certified engine (6/6)

4. Additional upgrades (2/2)
Fuel pre-filter
Reliability and durability of the engine has been improved by installing
a fuel pre-filter (with water separator) as standard (optional for current
models).

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SALES FEATURES [No.7] New sales Feature

Fuel consumption improvement (1/11)

1. Addition of variable horsepower control in Economy mode
The engine power automatic change function (Variable horsepower
control) has been added for Economy mode to use an optimum speed
gear depending on loaded or unloaded conditions.

Economy mode

HD465/605
Item Unit
M/C model Current model

Unloaded (500) 670 / 1900

Gross
(kW) HP / rpm (473) 634 / 1900
horsepower
Loaded (524) 703 / 2000

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SALES FEATURES [No.8] New sales Feature

Fuel consumption improvement (2/11)

2. Upgrading of transmission control
In order to avoid operating the engine in high speed range with
medium or light load, the transmission gear can shift at a lower RPM.
This also contributes to the improvement of fuel consumption by
reducing the power loss.

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SALES FEATURES [No.9] New sales Feature

Fuel consumption improvement (3/11)

3. Reduction of power loss (1/9)
Addition of brake cooling valve
Since the new brake cooling valve can control the flow rate of the
retarder cooling circuit, it can reduce the power loss when the retarder
is out of operation and improve fuel efficiency.

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SALES FEATURES [No.10] New sales Feature

Fuel consumption improvement (4/11)

3. Reduction of power loss (2/9)
Separation of oil flow from the steering circuit pumps
The machine is equipped with a load sensing type power steering
system that supplies the oil required for steering depending on the
steering operation demand. This system contributes to the reduction of
power loss in the hydraulic system and efficient use of engine power.

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SALES FEATURES [No.11] New sales Feature

Fuel consumption improvement (5/11)

3. Reduction of power loss (3/9)
Adoption of variable transmission main relief pressure
Hydraulic power loss is reduced by switching the transmission main
relief pressure between low speed range (F1 to F3) and high speed
range (F4 and above).

Variable transmission main relief pressure of HD465/605-7E0

Clutch pressure

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SALES FEATURES [No.12] New sales Feature

Fuel consumption improvement (6/11)

3.Reduction of power loss (4/9)
Fuel consumption of HD465-7 (in Power mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Power mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Heavy loadTraveling up hills with load,
One-way distance: (2000 m) 2,190 yd
Level ground 100 m ->
T raveling up 13.9 % slope 1800 m ->
Level ground 100 m
Dump 13.9%
100 100 97 100 98 100
(100m) 109yd

(1800m) 1969yd Load

(100m) 109yd

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SALES FEATURES [No.13] New sales Feature

Fuel consumption improvement (7/11)

3.Reduction of power loss (5/9)
Fuel consumption of HD465-7 (in Power mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Power mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Medium or light load (Flat course)
Level ground,
One-way distance: (2000m) 2,190 yd
Level ground 2000 m
at the speed of (40km/h) 25M PH
100 100 87 100 88 100

(2000m) 2,190yd At the speed of 40km/h

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SALES FEATURES [No.14] New sales Feature

Fuel consumption improvement (8/11)

3.Reduction of power loss (6/9)
Fuel consumption of HD465-7 (in Power mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Power mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Medium or light load (Light-duty course) Level
ground,
One-way distance: (2000 m) 2,190 yd
Level ground 2000 m
at the speed of (10-35km/h) 6-22M PH
100 100 84 100 82 100

(2000m) 2,190yd At the speed of 10-35km/h

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SALES FEATURES [No.15] New sales Feature

Fuel consumption improvement (9/11)

3.Reduction of power loss (7/9)
Fuel consumption of HD465-7 (in Economy mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Economy mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Heavy loadTraveling up hills with load,
One-way distance: (2000 m) 2,190 yd
Level ground 100 m ->
T raveling up 13.9 % slope 1800 m ->
Level ground 100 m
Dump 13.9%
100 100 98 100 98 100
(100m) 109yd

(1800m) 1969yd Load

(100m) 109yd

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SALES FEATURES [No.16] New sales Feature

Fuel consumption improvement (10/11)

3.Reduction of power loss (8/9)
Fuel consumption of HD465-7 (in Economy mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Economy mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Medium or light load (Flat course) Level
ground,
One-way distance: (2000m) 2,190 yd
Level ground 2000 m
at the speed of (40km/h) 25M PH
100 100 96 100 100 100

(2000m) 2,190yd At the speed of 40km/h

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SALES FEATURES [No.17] New sales Feature

Fuel consumption improvement (11/11)

3.Reduction of power loss (9/9)
Fuel consumption of HD465-7 (in Economy mode)
As a result of these improvements, the fuel consumption of minor-
change model is reduced as shown in the table below while keeping
the same production of the current model in each mode.

(Economy mode) Ratio to 100 for the current model

Production Fuel consumption Fuel efficiency
Example of traveling course
（ ton/hour） （ ）
Liter/hour （ Liter/ton）
M/C Current M/C Current M/C Current
model model model model Model model
Medium or light load (Light-duty course) Level
ground,
One-way distance: (2000 m) 2,190 yd
Level ground 2000 m
at the speed of (10-35km/h) 6-22M PH
100 100 97 100 95 100

(2000m) 2,190yd At the speed of 10-35km/h

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SALES FEATURES [No.18] New sales Feature

Improvement in operator's comfort (1/2)

1. Modified sections
Adoption of common ROPS cab
(common to HD325, HD405, HD465, HD605 models)

Change of front 3-inch (75 mm) seat belt

windshield materials: adopted as standard
From tempered glass to equipment
glass laminate

Addition of front and rear

under view mirrors

Inhibition of upshifting to
F2 and above gears while
Air conditioner installation location; the body is being raised
Rear -> Front of the cab
• The room behind the operator's
seat is increased.
• Location of fresh-air intake;
Left side -> Front face of the cab

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SALES FEATURES [No.19] New sales Feature
The same as conventional model sales Feature

Improvement in operator's comfort (1/2)

Addition of front and rear under view mirrors; from 2 to 4 mirrors
Rear view camera and monitor (Optional)

Rear view camera

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SALES FEATURES [No.20] New sales Feature

Improvement in environmental friendliness (1/2)

1. Reduction of hazardous substance
Adoption of lead-free radiator (integral construction
aluminum radiator)
In addition to compliance with emission regulations, a lead-free
aluminum core is adopted for the radiator to comply with global
environmental requirements.

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SALES FEATURES [No.21] New sales Feature

Improvement in environmental friendliness (2/2)

2. Prevention of oil spillage
Addition of brake floating seal drain oil recovery tank
To protect the environment, tanks are installed to recover brake
cooling oil in the event of brake floating seal leakage.

Oil recovery tank

(Integral type)

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INTERCHANGEABILITY [No.1]
Interchangeability HD465 / 605 –7E0 (1/3)

HD465 / 605-7E0
Name Interchangeability Reason for non-interchangeability
Engine New Current Compliance with Tier3
Radiator New Current Adoption of aluminium radiator
Air conditioner New Current Change of manufacturer (Denso to Sanden)
Torque converter New Current Adoption of variable transmission main relief pressure

Transmission New Current Adoption of variable transmission main relief pressure

Output shaft damper New Current Not changed
Drive shaft (Engine - Torque converter) New Current Not changed
Drive shaft (Transmission - Rear axle) New Current Not changed
Differential New Current Not changed
Final drive New Current Not changed

Front axle New Current Not changed

Front brake New Current Not changed
Rear brake New Current Addition of floating seal drain oil recovery tank
Rim New Current Not changed
Tire New Current Not changed
Slack adjuster New Current Not changed

Transmission controller New Current Adoption of CR710 instead of LE controller

Engine controller New Current Adoption of CM850 instead of CM500
Front suspension New Current Not changed
Rear suspension New Current Not changed

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INTERCHANGEABILITY [No.2]
Interchangeability HD465 / 605 –7E0 (2/3)

HD465 / 605-7E0
Name Interchangeability Reason for non-interchangeability
Fuel tank New Current Addition of return port for spilled oil recovery piping
Hydraulic tank New Current Addition of sub tank, adoption of strengthened valve mounting bracket
ROPS cab New Current Adoption of integrated cab floor, change of air conditioner unit
Operator's seat New Current Not changed

Hydraulic pump (for charging T/C and T/M, and brake control) New Current Adoption of SD pump
Hydraulic pump (for cooling brake) New Current Adoption of SD pump
Hydraulic pump (for steering and hoist control) New Current Adoption of SD pump
Demand valve New Current Adoption of LS circuit
Frame New Current Change of bumper and front support installation portion
Steering valve New Current Adoption of LS circuit

Hoist valve New Current Not changed

Crossover relief valve New Current Not changed
Steering cylinder New Current Not changed
Hoist cylinder New Current Not changed
Engine full-flow filter New Current Change of number (from 2 to 3 pieces)
Fuel pre-filter New Current Newly added. (2 pieces)

Fuel filter New Current Change of number (from 2 to 1 piece)

Corrosion resistor New Current Not changed
Transmission filter （High pressuer) New Current Not changed
Transmission filter (return side) New Current Not changed

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INTERCHANGEABILITY [No.3]
Interchangeability HD465 / 605 –7E0 (3/3)

HD465 / 605-7E0
Name Interchangeability Reason for non-interchangeability
Hydraulic oil filter (High pressure) New Current Not changed
Hydraulic oil filter (return side) New Current Not changed
Air cleaner New Current Not changed
Air conditioner filter New Current Due to change of manufacturer (Denso to Sanden)
Brake oil filter New Current Not changed
Transmission disc New Current Not changed

Torque converter lock-up clutch disc New Current Not changed

Rear brake disc New Current Not changed
Front brake pad New Current Not changed
Fan belt New Current Change to polyvinyl chloride plastic belt
Air conditioner belt New Current Due to change of engine application

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COMPARATIVE SPECIFICATIONS
Item Manufacturer KOMATSU KOMATSU KOMATSU KOMATSU CATERPILLAR CATERPILLAR
Model HD465-7E0 HD465-7 HD605-7E0 HD605-7 773E 775D
HORSEPOW ER:
SAE J1995 Gross kW (HP)/rpm 551(739)/2000 INA 551(739)/2000 INA INA INA
ISO9249/SAEJ1349 Net kW (HP)/rpm 533(715)/2000 533(715)/2000 533(715)/2000 533(715)/2000 501(671)/2000 544(730)/2000
HAULING CAPACITY:
Heaped (2:1,SAE) m 3 (yd3 ) 34.2(44.7) 34.2(44.7) 40.0(52.3) 40.0(52.3) 35.5(46.4) 41.5(54.3)
Struck (SAE) m 3 (yd3 ) 25.0(32.7) 24.0(31.4) 29.0(37.9) 29.0(37.9) 26.6(34.8) 31.4(41.1)
Rated payload m ton (US ton) 55(61) 55(61) 63(69.4) 63(69.4) 54.4(60) 63.5(70)
OPERATING W EIGHT (empty):* kg (lb) 43100(95,020) 42800(94,360) 46200(101,850) 45900(101,190) 45480(100,270) 45210(99,670)
Front axle % 47.0 47.0 47.0 47.0 47.3 44.3
Rear axle % 53.0 53.0 53.0 53.0 52.7 55.7
Max. gross vehicle weight (loaded):* kg (lb) 99680(219,760) 98800(217,820) 110180(242,900) 109900(242,290) 99300(219,000) 108400(238,980)
Front axle % 32.0 32.0 32.0 32.0 33.3 31.2
Rear axle % 68.0 68.0 68.0 68.0 66.7 68.8
GROSS HP/W EIGHT: HP/ton 7.4(6.7) 7.5(6.8) 6.7(6.1) 6.7(6.1) 7.2(6.5) 7.0(6.4)
(HP/Uston)
PERFORMANCE:
Max. travel speed * km/h (mph) 70(43.5) 70(43.5) 70(43.5) 70(43.5) 65.8(40.9) 65.8(40.9)
Speed (ascend, loaded):
At 8% total resistance 20.0(12.4) 18.5(111.5) 18.5(111.5) 20.0(12.4) 18.0(11.2)
12% 16.0(9.9) 14.0(8.7) 14.0(8.7) 11.0(6.8) 11.0(6.8)
14% 12.0(7.5) 10.5(6.5) 10.5(6.5)
Speed (descend, loaded):
At 8% total resistance 29.0(18.0) 29.0(18.0) 29.0(18.0) 29.0(18.0) 21.0(13.0) 21.0(13.0)
Min. turning radius m (ft) 8.5(27.9) 8.5(27.9) 8.5(27.9) 8.5(27.9) 10.85(35.6) 10.85(35.6)
BODY EQUIPMENT:
Sidewall plate thickness mm (in) 9.0(0.35) 9.0(0.35) 14.0(0.55) 14.0(0.55) 10.0(0.39) 14.0(0.55)
Front plate thickness mm (in) 12.0(0.47) 12.0(0.47) 16.0(0.63) 16.0(0.63) 12.0(0.47) 16.0(0.63)
Bottom plate thickness mm (in) 19.0(0.75) 19.0(0.75) 25.0(0.98) 25.0(0.98) 20.0(0.79) 25.0(0.98)
Plate yield strength kg/mm 2 (PSI) 130(184,900) 130(184,900) 160(227,520) 160(227,520) 63(90,000) 63(90,000)
Hoist cylinder Two-stage Two-stage Two-stage Two-stage Two-stage Two-stage
Dual cylinders Dual cylinders Dual cylinders Dual cylinders Dual cylinders Dual cylinders
Body raise time sec 11.5 11.5 11.5 11.5 9.5 9.5
Dumping angle deg 48.0 48.0 48.0 48.0 60.0 60.0

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COMPARATIVE SPECIFICATIONS
Item Manufacturer KOMATSU KOMATSU HITACHI HITACHI TEREX TEREX
Model HD465-7E0 HD605-7E0 EH1000 EH1100 TR60 TR70
HORSEPOW ER:
SAE J1995 Gross kW (HP)/rpm 551(739)/2000 551(739)/2000 INA INA INA INA
ISO9249/SAEJ1349 Net kW (HP)/rpm 533(715)/2000 533(715)/2000 483(648)/2100 541(725)/2100 457(613)/2100 522(700)/2100
HAULING CAPACITY:
Heaped (2:1,SAE) m 3 (yd3 ) 34.2(44.7) 40.0(52.3) 32.0(41.9) 39.0(51.0) 35.0(45.8) 41.5(54.3)
Struck (SAE) m 3 (yd3 ) 25.0(32.7) 29.0(37.9) 25.0(32.7) 27.5(36.0) 26.0(28.1) 29.0(37.9)
Rated payload m ton (US ton) 55(61) 63(69.4) 55.9(66) 65.6(72.3) 54(59.5)*2 65(72)*2
OPERATING W EIGHT (empty):* kg (lb) 43100(95,020) 46200(101,850) 41730(92,000) 42826(94,410) 41250(90,940) 47690(105,140)
Front axle % 47.0 47.0 48.0 49.0 48.0 48.0
Rear axle % 53.0 53.0 52.0 51.0 52.0 52.0
Max. gross vehicle weight (loaded):* kg (lb) 99680(219,760) 110180(242,900) 101,605(224,000) 108409(239,000) 95680(210,940) 112690(248,440)
Front axle % 32.0 32.0 33.0 32.0 34.0 34.0
Rear axle % 68.0 68.0 67.0 68.0 66.0 66.0
GROSS HP/W EIGHT: HP/ton 7.4(6.7) 6.7(6.1) 6.9(6.3) 7.0(6.4) 6.8(6.2) 6.7(6.1)
(HP/Uston)
PERFORMANCE:
Max. travel speed * km/h (mph) 70(43.5) 70(43.5) 61.3(38.1) 61.3(38.1) 57.5(35.7) 57.0(35.5)
Speed (ascend, loaded):
At 8% total resistance 18.5(111.5) 19.0(11.8) 19.0(11.8) 18.0(11.2) 17.0(10.6)
12% 14.0(8.7) 14.0(8.7) 13.0(8.1) 13.0(8.1) 12.0(7.5)
14% 10.5(6.5) 12.0(7.5) 11.0(6.8) 10.0(6.2)
Speed (descend, loaded):
At 8% total resistance 29.0(18.0) 29.0(18.0) 22.0(13.7) 20.0(12.4) 44.0(27.3) 33.0(20.5)
Min. turning radius m (ft) 8.5(27.9) 8.5(27.9) 9.64(31.6) 9.64(31.6) 10.5(34.5) 11.2(36.7)
BODY EQUIPMENT:
Sidewall plate thickness mm (in) 9.0(0.35) 14.0(0.55) 8.0(0.32) 8.0(0.32) 10.0(0.39) 10.0(0.39)
Front plate thickness mm (in) 12.0(0.47) 16.0(0.63) 10.0(0.39) 10.0(0.39) 10.0(0.39) 10.0(0.39)
Bottom plate thickness mm (in) 19.0(0.75) 25.0(0.98) 18.0(0.71) 18.0(0.71) 19.0(0.75) 19.0(0.75)
Plate yield strength kg/mm 2 (PSI) 130(184,900) 160(227,520) 102(145,000) 102(145,000)
Hoist cylinder Two-stage Two-stage Two-stage Two-stage Two-stage Two-stage
Dual cylinders Dual cylinders Dual cylinders Dual cylinders Dual cylinders Dual cylinders
Body raise time sec 11.5 11.5 10.0 11.1 16.0 13.0
Dumping angle deg 48.0 48.0 60.0 60.0 58.0 59.0

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COMPARATIVE SPECIFICATIONS
Item Manufacturer KOMATSU KOMATSU KOMATSU KOMATSU CATERPILLAR CATERPILLAR
Model HD465-7E0 HD465-7 HD605-7E0 HD605-7 773E 775D
DIMENSIONS:
Overall length m m (ft.in) 9355(30'8") 9355(30'8") 9355(30'8") 9355(30'8") 9687(31'9") 9690(31'10")
Overall width 5395(17'8") 4595(15'1") 5395(17'8") 5395(17'8") 4316(14'2") 4504(14'9")
Overall height (empty) 4400(14'5") 4400(14'5") 4400(14'5") 4400(14'5") 4424(14'6") 4410(14'6")
Ground clearance (empty) 645(2'1") 645(2'1") 645(2'1") 645(2'1") 667(2'2") 650(2'2")
W heel base 4300(14'1") 4300(14'1") 4300(14'1") 4300(14'1") 4191(13'9") 4191(13'9")
Tread: Front 3515(11'6") 3515(11'6") 3515(11'6") 3515(11'6") 3966(13'0") 3275(10'9")
Rear 3080(10'1") 3080(10'1") 3080(10'1") 3080(10'1") 2927(9'7") 2927(9'7")
Loading height 3600(11'10") 3600(11'10") 3860(12'8") 3860(12'8") 3787(12'5") 3912(12'10")
Height at full dump 8800(28'10") 8800(28'10") 8800(28'10") 8800(28'10") 8815(28'11") 8796(28'11")
ENGINE:
Model Komatsu Komatsu Komatsu Komatsu Caterpillar Caterpillar
SAA6D170E-5 SAA6D170E SAA6D170E-5 SAA6D170E 3412E 3412E
Type Direct injection Direct injection Direct injection Direct injection Direct injection Direct injection
Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged
Aftercooled,EGR Aftercooled Aftercooled,EGR Aftercooled Aftercooled Aftercooled
No. of cylinders - mm (in) 6-170x170 6-170x170 6-170x170 6-170x170 12-137 x 152 12-137 x 152
bore x stroke (6.69x6.69) (6.69x6.69) (6.69x6.69) (6.69x6.69) (5.39 x 5.98) (5.39 x 5.98)
3
Piston displacement ltr (in ) 23.15(1413) 23.15(1413) 23.15(1413) 23.15(1413) 27.00(1648) 27.00(1648)
POW ER TRANSMITTING SYSTEM:
Torque convertor Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C
Transmission: Type Planetary gear and Planetary gear and Planetary gear and Planetary gear and Planetary gear and Planetary gear and
multiple-disc clutch multiple-disc clutch multiple-disc clutch multiple-disc clutch multiple-disc multiple-disc
Full automatic Full automatic Full autom atic Full automatic clutch clutch
Maker Komatsu Komatsu Komatsu Komatsu Caterpillar Caterpillar
No. of speeds (forward) 7 7 7 7 7 6
BRAKES:
Service brake: Front Dry, caliper Dry, caliper Dry, caliper Dry, caliper Dry, caliper Dry, caliper
Rear W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc
Retarder W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc W et, multiple-disc
SUSPENSION: Front Hydropneumatic Hydropneumatic Hydropneumatic Hydropneumatic Oil-pneumatic Oil-pneumatic
Rear Hydropneumatic Hydropneumatic Hydropneumatic Hydropneumatic Oil-pneumatic Oil-pneumatic
Fuel tank refill capacity ltr (US gal) 780(206) 780(206) 780(206) 780(206) 700(185) 700(185)
*)SPEC CONDITIONS:
･ Tire size: Front 24.00-35-36PR 24.00-35-36PR 24.00-R35 24.00-R35 24.00-R35(E-4) 24.00-R35(E-4)
Rear 24.00-35-36PR 24.00-35-36PR 24.00-R35 24.00-R35 24.00-R35(E-4) 24.00-R35(E-4)
Refer No. CEN00094-00 X23SP20010014 CEN00095-00 X23SP20010016 NOV 2002-308 NOV 2002-308

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COMPARATIVE SPECIFICATIONS
Item Manufacturer KOMATSU KOMATSU HITACHI HITACHI TEREX TEREX
Model HD465-7E0 HD605-7E0 EH1000 EH1100 TR60 TR70
DIMENSIONS:
Overall length mm (ft.in) 9355(30'8") 9355(30'8") 9300(30'6") 9300(30'6") 9100(29'11") 9900(32'6")
Overall width 5395(17'8") 5395(17'8") 4750(15'7") 4750(15'7") 5000(16'4") 5300(17'4")
Overall height (empty) 4400(14'5") 4400(14'5") 4620(15'2") 4620(15'2") 4400(14'7") 4600(15'0")
Ground clearance (empty) 645(2'1") 645(2'1") 690(2'3") 690(2'3") 600(2'0") 600(2'0")
W heel base 4300(14'1") 4300(14'1") 4290(14'1") 4290(14'1") 4100(13'8") 4500(14'8")
Tread: Front 3515(11'6") 3515(11'6") 3560(11'8") 3560(11'8") 3300(10'11") 3700(12'0")
Rear 3080(10'1") 3080(10'1") 2920(9'7") 2920(9'7") 2900(9'6") 3000(9'10")
Loading height 3600(11'10") 3860(12'8") 3530(11'7") 3760(12'4") 3700(12'1") 3800(12'5")
Height at full dump 8800(28'10") 8800(28'10") 8130(26'8") 8880(29'2") 8000(26'5") 8400(27'6")
ENGINE:
Model Komatsu Komatsu Cum mins Detroit Diesel Cummins Detroit Diesel
SAA6D170E-5 SAA6D170E-5 QSK19-C700 Series 2000 QSK19-C650 12V 2000
Type Direct injection Direct injection Direct injection Direct injection Direct injection Direct injection
Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged
Aftercooled,EGR Aftercooled,EGR Aftercooled Aftercooled Aftercooled Aftercooled
No. of cylinders - m m (in) 6-170x170 6-170x170 6-159x159 12-130x150 6-159x159 12-130x150
bore x stroke (6.69x6.69) (6.69x6.69) (6.25x6.25) (5.12x5.91) (6.25x6.25) (5.12x5.91)
3
Piston displacement ltr (in ) 23.15(1413) 23.15(1413) 18.90(1150) 23.90(1458) 18.90(1150) 24.00(1464)
POW ER TRANSMITTING SYSTEM:
Torque convertor Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C Single-stage T/C
Transmission: Type Planetary gear and Planetary gear and Planetary gear Planetary gear Planetary gear Planetary gear
multiple-disc clutch multiple-disc clutch Automatic Automatic Automatic Automatic
Full automatic Full automatic
Maker Komatsu Komatsu Allison Allison Allison Allison
No. of speeds (forward) 7 7 6 6 6 6
BRAKES:
Service brake: Front Dry, caliper Dry, caliper Dry, disc Dry, disc Dry, disc Dry, disc
Rear W et, multiple-disc W et, multiple-disc W et, disc W et, disc W et, multiple-disc W et, multiple-disc
Retarder W et, multiple-disc W et, multiple-disc W et, disc W et, disc W et disc/Hydraulic retarder W et, disc/Hydraulic retarder
SUSPENSION: Front Hydropneumatic Hydropneum atic Oil-pneumatic Oil-pneumatic Oil-pneumatic Oil-pneumatic
Rear Hydropneumatic Hydropneum atic Oil-pneumatic Oil-pneumatic Oil-pneumatic Oil-pneumatic
Fuel tank refill capacity ltr (US gal) 780(206) 780(206) 700(185) 700(185) 606(160) 938(248)
*)SPEC CONDITIONS:
･ Tire size: Front 24.00-35-36PR 24.00-R35 24.00-R35**(E-4) 24.00-R35**(E-4) 24.00-R35 24.00-R35
Rear 24.00-35-36PR 24.00-R35 24.00-R35**(E-4) 24.00-R35**(E-4) 24.00-R35 24.00-R35
Refer No. CEN00094-00 CEN00095-00 KR-E120Q KR-E121Q TX04.TR60.01.1102.05 TX04.TR70.01.1102.05

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NOTES:
NOTES:
NOTES:
 The information set out in this Bulletin has been gathered to provide data on the performance of
KOMATSU and competitive machines under actual job conditions. Every effort was made to ensure
reliable results. However, because of the many variables peculiar to each application (including
material characteristics, operator efficiency, labor and other costs, haul road conditions and altitude),
neither KOMATSU LTD., nor any of its subsidiaries or distributors thereof can or does warrant
expressly or implicitly that the KOMATSU or competitive equipment referred to herein will achieve the
performance or the costs indicated herein or that the machine specifications set out herein will be in
conformity with the data provided in KOMATSU specification sheets or similar material.
The information contained herein is intended for circulation only to KOMATSU employees and to
those distributor employees, whose duties require knowledge of such reports, and is intended sole-
ly for the information and training of these readers. UNAUTHORIZED USE OF THIS DOCUMENT IS
HEREBY PROHIBITED AND THOSE RESPONSIBLE FOR SUCH USE SHALL BE SOLELY
RESPONSIBLE FOR ANY DAMAGES WITH THIRD PARTIES THAT MAY OCCUR AS A RESULT
OF SUCH USE. Any reproduction of this Bulletin without the foregoing explanation is prohibited.

AEPB430-00 ©2007 Komatsu America Corp. Printed in USA D03/07(POD)CCI 03/07(EV-1)

www.KomatsuAmerica.com Komatsu America Corp. is an authorized licensee of Komatsu Ltd.

Materials and specifications are subject to change without notice
is a registered trademark of Komatsu Ltd., Japan
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