Brochure Komatsu Hd785-7
Brochure Komatsu Hd785-7
HD785-7
HD
785
Off-Highway Truck
HD785-7
HD785-7 O F F - H I G H W A Y TR U C K
WALK-AROUND
Productivity features
• High performance Komatsu SAA12V140E-3 engine
• Variable horsepower control (VHPC)
• Two-speed selective reverse gears of RH and RL
• Anti-pitching 4-wheel oil-cooled multiple-disc retarder
• Automatic Idling Setting System (AISS)
• Auto Retard Speed Control (ARSC)
• High strength body Environment-friendly
• Minimum turning radius: 10,1 m • Meets EPA Tier 2
• ABS (Anti-Lock Braking System) (Option) • Low operating noise
• ASR (Automatic Spin Regulator) (Option) • Low fuel consumption
• Payload meter function • Lead-free radiator
• Brake cooling oil recovery tank
2
OFF-HIGHWAY TRUCK
HD785-7
ENGINE POWER
895 kW / 1.200 HP
MAXIMUM GVW
166.000 kg
Operator environment
• Wide, spacious cab with excellent visibility BODY CAPACITY, HEAPED
60,0 m³
• Ergonomically designed cab
• Easy-to-see instrument panel
• Air suspension seat
• Tiltable, telescoping steering wheel and low effort pedals
• Electric body dump control lever
• K-ATOMiCS transmission with “Skip-Shift” function
• Synchronous control of engine and transmission
• Hydropneumatic suspension for all terrains
• Viscous cab mounts
• Built-in ROPS/FOPS
• Supplementary steering (Automatic)
• Pedal-operated secondary brakes
• Three-mode hydropneumatic suspension (auto-suspension) (Option)
• Front stairway with handrails
Reliability features
• Fully hydraulic brake system
• Reliable Komatsu manufactured major
components
• High-rigidity frame
• Wet multiple-disc brakes (front and rear)
• Flat face-to-face O-ring seals
• Sealed DT-connectors
• Highly reliable hydraulic system
Easy maintenance
• Long oil change interval
• Centralized greasing points
• Centralized arrangement of filters
• Flanged type rims
• Vehicle Health Monitoring System (VHMS)
• Satellite communication system for VHMS
• KOMTRAX™ Komatsu Tracking System
3
HD785-7 O F F - H I G H W A Y TR U C K
4
OFF-HIGHWAY TRUCK
HD785-7
Anti-pitching 4-wheel oil-cooled multiple disc Auto Retard Speed Control (ARSC)
retarder ARSC allows the operator to simply set the downhill
The machine is equipped with an anti-pitching 4-wheel travel speed and go down slopes at a constant speed.
oil-cooled multiple disc retarder that applies retarding As a result, the operator can concentrate on steering.
force on all four wheels. With this retarder, the retard- The speed can be set at increments of 1 km/h per click
ing force is shared between four wheels. This reduces to match the optimum speed for the slope. Also, when it
the possibility of tire-lock and enables effective use of is predicted that the retarder oil temperature becomes
retarder capacity, allowing stable downhill travel. The overheated, since the retarder oil temperature is always
machine descends slopes smoothly and comfortably monitored, operator is informed this by warning lamp.
without machine pitching since retarding force on front
and rear wheels is controlled independently.
UP
SET
CANCEL
DOWN
Go down
slope at
Front brake Rear brake constant
speed
Conventional
R: Retarder (2-wheel)
5
HD785-7 O F F - H I G H W A Y TR U C K
6
OFF-HIGHWAY TRUCK
HD785-7
SAFETY FEATURES
Built-in ROPS/FOPS Pedal-operated secondary
These structures con- brake
form to ISO 3471 and If there should be a failure on
SAE J1040 standards the foot brake circuit, both front
and ISO 3449 and SAE and rear parking brakes are
J231 FOPS standards. activated as a pedal operated
secondary brake. In addition,
when hydraulic pressure drops
below the rated level, the parking brake is automatically
actuated.
Stairway
A stairway at the front of the radiator grill simplifies such
everyday operations as getting on and off the machine.
7
HD785-7 O F F - H I G H W A Y TR U C K
OPERATOR ENVIRONMENT
Wide, spacious cab with excellent visibility
The wide cab provides a comfortable space for the
operator and a full size trainer’s seat. A large electrically
operated window and the operator’s seat positioned on
the left hand side ensures superior visibility.
8
OFF-HIGHWAY TRUCK
HD785-7
K-ATOMiCS with “Skip-Shift” function The MacPherson strut type front suspension
The K-ATOMiCS (Komatsu Advanced Transmission with The MacPherson type independent suspension is
Optimum Modulation Control System) ensures proper installed to the front wheels. The linkage arrangement
clutch modulation pressure when the clutch is engaged. with less friction allows the front wheel to follow the
The total control system controls both the engine and undulation of road surface smoothly, realizing excellent
transmission by monitoring the vehicle conditions. This riding comfort.
system and newly added “skip-shift” function ensure
smooth shifting and responsive acceleration.
“Skip-shift” function
The optimum travel speed automatically selected in
response to the angle of ascent. Reduced frequency of
down shifts and smoother operation are provided.
Shift hold
9
HD785-7 O F F - H I G H W A Y TR U C K
Transmission controller
10
OFF-HIGHWAY TRUCK
HD785-7
EASY MAINTENANCE
VHMS (Vehicle Health Monitoring System) Centralized greasing
The VHMS controller monitors the health conditions of points
major components and enables analysis of the machine Greasing points are
and its operations. The VHMS controller monitors and centralized at three
stores all data received from the engine and transmis- locations.
sion controller and various additional sensors on the
major components. This way, it’s possible to record
the evolution of the machine’s health condition. This Centralized arrangement
data can be downloaded via a portable computer or of filters
via satellite communication. In both cases, Komatsu The filters are centralized
specialists can analyse this downloaded data and follow so that they can be serviced
up trends in the machine’s condition. When using the easily.
satellite communications, the Komatsu specialist can in-
form you whenever an abnormal condition occurs. This
way, repair and maintenance costs can be optimised, Flange type rims
and maximum machine availability can be maintained.
Flange type rims provide
The Komatsu Tracking System, KOMTRAX™ lets you
easy removal/installation of
pin-point the precise location of your machines.
the tyres.
Satellite communication
Customer
job site
KOMATSU Electric circuit breaker
A circuit breaker is adopted
in important electric circuits
Internet
that should be restored in
a short time when a prob-
lem occurs in the electrical
Personal
computer system.
WebCARE Server
terminal
Komatsu (for downloading
distributors data)
11
HD785-7 O F F - H I G H W A Y TR U C K
RELIABILITY FEATURES
Komatsu components Flat face-to-face O-ring seals
Komatsu manufactures the engine, torque converter, Flat face-to-face O-ring
Nipple
transmission, hydraulic units, and electrical parts on this seals are used to se-
dump truck. Komatsu dump trucks are manufactured curely seal all hydraulic
with an integrated production system under a strict hose connections and Hose
High-rigidity frames
Front support is integrated with the
frame. The frame rigidity is in-
creased drastically. As a re- Sealed DT-connectors
sult, flexural rigidity and torsional Main harnesses and
rigidity that are indicators of controller connectors are
drivability and riding quality equipped with sealed
are significantly improved. DT-connectors provid-
ing high reliability, water
resistance and dust
resistance.
12
OFF-HIGHWAY TRUCK
HD785-7
13
HD785-7 O F F - H I G H W A Y TR U C K
SPECIFICATIONS
ENGINE STEERING SYSTEM
AXLES
Independent, hydropneumatic suspension cylinder with fixed throttle Type .......................................................... Box-sectioned construction
to dampen vibration. Integral front bumpers
Effective cylinder stroke:
Front suspension ................................................................320 mm
Rear suspension .................................................................127 mm TYRES
Rear axle oscillation ..................................................................... 6,5°
Standard tyres .....................................................................27.00 R49
14
OFF-HIGHWAY TRUCK
HD785-7
15
HD785-7 O F F - H I G H W A Y TR U C K
SPECIFICATIONS
Power Mode
GROSS WEIGHT
EMPTY LOADED
LOADED
UNLOADED
TRAVEL SPEED
TRAVEL PERFORMANCE
To determine travel performance: Read from gross weight down to the percent of total resistance. From
this weight-resistance point, read horizontally to the curve with the highest obtainable speed range, then
down to maximum speed. Usable rimpull depends upon traction available and weight on drive wheels.
0 10 20 30 40 50 60 70 80 90 100 km/h
TRAVEL SPEED
16
OFF-HIGHWAY TRUCK
HD785-7
F2 F2
-20 -20
F3 F3
-15 -15
F4 F4
F5 -10 -10
F6 F5
F7 F6
-5 F7 -5
F2 F2
-20 -20
F3 F3
-15 -15
F4 F4
-10 -10
F5 F5
F6 F6
F7 -5 F7 -5
17
HD785-7 O F F - H I G H W A Y TR U C K
MACHINE DIMENSIONS
18
OFF-HIGHWAY TRUCK
HD785-7
SERVICEABILITY AND CUSTOMER SUPPORT
The Komatsu dealer network guarantees you the lowest
operating costs
When you purchase Komatsu equipment, you gain access to a broad range of programmes and services that have
been designed to help you get the most from your investment. These all support substantial productivity, long and
useful equipment lifetime, low operating costs, and a high trade-in or resale value.
19
HD785-7
OFF-HIGHWAY TRUCK
STANDARD EQUIPMENT
ENGINE • Sun visor SAFETY EQUIPMENT • Satellite communication system for
• Komatsu SAA12V140E-3 engine, • Sun visor, additional • Anti-pitching 4-wheel oil-cooled VHMS
EPA Tier II compliant • Tinted glazing multiple-disc retarder (AP-FOUR) • Payload meter function on VHMS
• AISS (Automatic Idling Setting • Pre radio installation • Back-up alarm • KOMTRAX™ Komatsu Tracking
System) • Cigarette lighter, ashtray, cup holder, • Horn, electric System
• Engine power mode selection space for lunch box • Coolant temperature alarm and light
system with VHPC • Windshield washer and wiper (with • Hand rails for platform REGULATIONS
• Alternator 90 A/24 V intermittent feature) • Ladders, left and right hand side • Complies with EC requirements
• Batteries 4 × 12 V/170 Ah • Supplementary steering, automatic
• Starting motor 2 × 7,5 kW LIGHTING SYSTEM • Overrun warning system BODY
• Back-up light • ARSC (Auto Retard Speed Control) • Body exhaust heating
CAB • Hazard lights • Rearview mirrors • Cab guard (left hand side)
• ROPS cab with FOPS, • Headlights with dimmer switch • Underview mirrors • Spill guard, 300 mm
sound suppression type • Indicator, stop and tail lights • Rear view camera and monitor • Platform guard (right hand side)
• Two doors, left and right • Front stairway with handrails
• Air conditioner GUARDS AND COVERS TYRES
• Electronic maintenance display/ • Exhaust thermal guard OTHER • 27.00-R49
monitoring system • Fire prevention covers • Centralized greasing
• Electronic hoist control system • Engine underguard • Electric circuit breaker, 24 V
• Operator seat, reclining, air • TM underguard • PM service connections
suspension type with retractable • Drive shaft guard (front and rear) • Poor fuel arrangement
78 mm width seat belt • Engine side covers (water and dust)
• Passenger seat with seat belt • Lockable fuel cap and covers • Fuel tank with fast fill coupler
• Power window (l.h.) • VHMS (Vehicle Health Monitoring
• Steering wheel, tilt and telescopic System)
OPTIONAL EQUIPMENT
CAB LIGHTING SYSTEM ARRANGEMENTS TYRES
• Heater and defroster • Rear working lights, left and right • High-capacity batteries • 31/90 R49
• Cassette-radio • Fog lights • Cold area arrangement
• Power window (r.h.) • Back-up light, additional (-30 °C to 40 °C)
• LED combination lights, rear • Sandy and dusty area arrangement
BODY
• Body liners SAFETY EQUIPMENT OTHER
• Muffler without body heating • ABS (Anti-lock Braking System) • Auto greasing system
• Muffler with body heating • ASR (Automatic Spin Regulator) • Engine coolant heater
• Quarry body • Exhaust retarder • Engine oilpan heater
• Tyre stopper block • Three-mode automatic
hydropneumatic suspension
Komatsu Europe
International NV
Mechelsesteenweg 586
B-1800 VILVOORDE (BELGIUM)
Tel. +32-2-255 24 11
Fax +32-2-252 19 81
www.komatsueurope.com
EESS018602 01/2010 Materials and specifications are subject to change without notice.
is a trademark of Komatsu Ltd. Japan.
Printed in Europe – This specification sheet may contain attachments and optional equipment that are not available in your area.
Please consult your local Komatsu distributor for those items you may require. Materials and specifications are subject to change without notice.