HD325-6 O F F - H I G H W AY T R U C K

SPECIFICATIONS
ENGINE BRAKES
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . KOMATSU SAA6D140E-3 Service brakes:
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle Front . . . . . . . . . . . . . . . . . . . . . . Air-over-hydraulic, caliper disc type
Aspiration . . . . . . . . . . . . . . . . . . . . . Turbo-charged and after-cooled Rear . . . . . . . . . . . . . Air-over-hydraulic, oil-cooled, multiple-disc type
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Parking brake . . . . . . . . . . . . . . . . . . . Spring applied, caliper disc type
Bore x stroke . . . . . . . . . . . . . . . . . . . 140 mm x 165 mm 5.5" x 6.5" actuates on drive shaft.
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . 15.23 ltr. 930 in3 Retarder . . . . . . . . . . . . . . . . . . . . . . . . . Air-over-hydraulic, oil-cooled,
Horsepower multiple-disc type rear brakes act as retarders.
ISO 9249 /SAE J 1349 . . . . . . . . . . . . . . . . Gross 379 kW 508 HP Emergency brake. . . . . . . . . . . . . . . . . . . . . An emergency relay valve
Net 364 kW 488 HP automatically actuates the service brakes when air pressure drops
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,000 rpm below the rated level. Manual operation is also possible.
Maximum torque . . . . . . . . 2167 N•m 221 kg•m 1600 Ib•ft/1,400 rpm
Fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct injection
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronically controlled
Lubrication system : BODY
Lubrication method . . . . . . . . . . . . . . . Gear pump, force-Iubrication Standard body:
Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flow type Struck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 m3 23.5 yd3
Air cleaner . . . . . . . . . . . . . . . . . . . . . Dry type with double elements Heaped (2:1 ,SAE) . . . . . . . . . . . . . . . . . . . . . . . . . 24 m3 31.4 yd3
and precleaner, plus dust indicator Max. gross vehicle weight . . . . . . . . . . . . . . . . . 65200 kg 143,740 lb
Not to exceed 65200 kg 143,740 lb on 18.00-33 tires,
including options, fuel and payload.
TRANSMISSION Payload,maximum . . . . . . . . . . . . . . . 36.5 metric tons 40 U.S. tons
rated. . . . . . . . . . . . . . . . . . . 32 metric tons 35 U.S. tons
Torque converter . . . . . . . . . . . . . . . . . 3-elements, 1-stage, 2-phase Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-shape body
Lockup clutch . . . . . . . . . . . . . . . . . . . . . . . . Wet, single-disk clutch Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 kg/mm2 184,860 ps
Transmission. . . . . . . . . . . . . . . . . . . . Full-automatic, planetary gear high-tensile-strength steel
type hydraulically actuated Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exhaust heating
Speed range . . . . . . . . . . . . . . . . 7 speeds forward and one reverse Material thickness:
Forward . . . . . . . . . . . . . . . . . . . Torque converter drive in 1st gear, Floor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 mm 0.75"
direct drive in 1st lockup and all higher gears Front. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm 0.47"
Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . Torque converter drive Sides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 mm 0.35"
Shift control . . . . . . . . . . . . . . . Electronic shift control with automatic Target area (inside length x width). . . . . . . . . . 5500 mm x 3380 mm
clutch modulation in all gear 18'1" x 11'1"
Maximum travel speed . . . . . . . . . . . . . . . . . . . . . 70 km/h 43.5 mph

HYDRAULIC SYSTEM

AXLES Hoist cylinder . . . . . . . . . . . . . . . . . . . . Twin, 2-stage telescopic type

Hydraulic pump capacity . . . . . . . . . . 255 ltr./min. 67.4 U.S. gal/min
Final drive type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary Relief valve setting . . . . . . . . . . . . . . 210 kg/cm2 3,000 ps/20.6 MPa
Rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-floating
Ratios: Hoist time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10sec.
Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.125
Planetary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.737
WEIGHT (APPROXIMATE)
Empty weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 28700 kg 63,270 lb
SUSPENSION SYSTEM
Gross vehicle weight with 32 metric ton
Independent, hydropneumatic suspension cylinder with fixed throttle to (35 U.S. ton) payload . . . . . . . . . . . . . . . . . . . 60775 kg 133,990 lb
dampen vibration. Weight distribution:
Empty, front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48%
rear axle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52%
Loaded, front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32%
STEERING SYSTEM rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68%

Type . . . . . . . . . . . . . . . . . . . . . . . . Fully hydraulic power steering with

two double-acting cylinder
Emergency steering . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual control TIRES
Min. turning radius . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 m 23'7" Standard, front and rear . . . . . . . . . . . . . . . . . . . . . . 18.00-33-28PR

CAB
SERVICE REFILL CAPACITIES
Dimensions comply with ISO 3471 and SAE J1040-1988c ROPS Coolant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Itr. 23.5 U.S. gal
(Roll-Over Protective Structure) standards. (OPTION) The cab is Fuel tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Itr. 132.1 U.S. gal
mounted on rubber pads and well insulated. Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Itr. 13.7 U.S. gal
Torque converter, transmission and
retarder cooling. . . . . . . . . . . . . . . . . . . . . . . . . 90 Itr. 23.8 U.S. gal
Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Itr. 11.9 U.S. gal
MAIN FRAME Final drive (left and right) . . . . . . . . . . . . . . . . . . . 26 Itr. 6.9 U.S. gal
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-sectioned construction Hydraulic system . . . . . . . . . . . . . . . . . . . . . . . 129 Itr. 34.1 U.S. gal
Main frame material . . . . . . . . . . . . . High-tensile-strength steel plate Suspension (total) . . . . . . . . . . . . . . . . . . . . . . 43.8 Itr. 11.6 U.S. gal
6
 OFF-HIGHWAY TRUCK
HD325-6

DIMENSIONS

Unit:mm ft.in
4525 14’10"

4140 13’7"
7735 25’5"

7885 25’10"
3660 12’
5500 18’1"

3630 11’11"
4150 13’7"
4000 13’1"

3200 10’6"
48˚
18.00-33 18.00-33

530 1’9"
Front : 3150 10’4"
Rear : 2550 8’4" 1985 6’6" 3750 12’4" 2630 8’8"
8365 27’5"
3660 12’

STANDARD EQUIPMENT

ENGINE: ● Electronic display/monitoring ● Headlights with dimmer switch ● Front brake cut-off system
● Alternator, 50 A system ● Stop and tail lights and turn ● Hand rails for platform
● Automatic idling setting system ● Mud guards (frame mounted, front) signal lights ● Horn, air
for engine low idle speed control ● Seat belt, 50 mm 2" width ● Ladders, LH and RH side
● Batteries, 2 x 12 V 170 Ah ● Seat, suspension type with SAFETY: ● Rear view mirrors
● Engine, Komatsu SAA6D140E-3 reclining ● Back-up alarm
● Mode switching system ● Steering wheel, tiltable & tele- ● Brakes OTHERS:
● Starting motor, 1 x 11.0-kW scopic Emergency brake actuates all ● Electric circuit breaker, 24 V
service brakes ● Hot area arrangement
CAB: LIGHTING SYSTEM: (front, rear and parking, 3-way) (-20˚C thru +50˚C)
● Cab, steel, sound suppression ● Back-up light ● Catwalk with hand rails ● Side markers
type ● Hazard light system ● Coolant temperature alarm ● 18.00 - 33 - 28 PR tires
and light

OPTIONAL EQUIPMENT

CAB: ● Liner [4250 kg 9,370 lb] ● Emergency steering, automatic ● Tachograph

● Air conditioner ● Retarder, engine exhaust
● Ashtray and cigarette lighter GUARD: ● Roll-over protective structure OTHERS:
● Heater and defroster ● Engine under guard [25 kg 60 lb] with FOPS [850 kg 1,870 lb] ● Air dryer
● Radio, AM ● Platform guard, Right hand ● Roll-over protective structure ● Alcohol injector
● Radio, AM/FM with cassette side [35 kg 80 lb] [770 kg 1,700 lb] ● Alternator, 75 A
● Seat belt, 78 mm 3" width ● Propeller shaft guard, front ● Under view mirror ● Auto greasing system
● Seat belt, 78 mm 3" width for [15 kg 30 lb] ● Centralized greasing
passenger seat ● Propeller shaft guard, rear ARRANGEMENT: ● Differential lock
● Seat, fabric materials [25 kg 60 lb] ● Batteries for cold area arrange- ● Engine side covers
● Seat, passenger ● Transmission under guard ment ● Fast fill coupler for fuel tank
● Sun visor, additional [95 kg 210 lb] ● Cold area arrangement ● Fire extinguisher
● Windows and windshield glass (-30˚C thur 40˚C) ● Gas charge tool
tinted safety glass LIGHTING SYSTEM: ● Poor fuel (contained water) ● Gas spring for engine hood
● Back-up lights, additional arrangement ● Muffler (no body heating type)
BODY: ● Fog lights ● Sandy and dusty area arrange- ● PM service connectors
● Body positioner ● Work light, RH and LH side ment ● Pull hook, rear
● Extensions, side walls, 200 mm ● Radiator shutter, canvas type
8" [570 kg 1,257 lb] TIRES: GAUGE: ● Spare parts for first service
● Rubber liners [5200 kg 114,601 lb] ● 18.00 - 33 tires ● Dump position alarm & warn- ● Tool kit
● Spill guard, 150 mm 6" [90 kg ● 18.00 R33 tires ing light ● Vandalism protection
200 lb] ● Engine oil filter warning alarm
● Spill guard, 250 mm 10" SAFETY: and light [ ] shows the amount of
[145 kg 320 lb] ● Automatic slip regulation (ASR) ● Payload meter I printer type increased weight
● 24 m3 31.4 yd3 rock body ● Anti-lock brake system (ABS) ● Payload meter II IC card type
[4250 kg 9,370 lb] ● Auto-retard speed control ● Revograph
(ARSC) ● Revograph/Tachograph

Standard equipment may vary for each country, and this specification sheet may contain attachments and optional equipment
that are not available in your area. Please consult your Komatsu distributor for detailed information.
7
TRAVEL PERFORMANCE 10 3 lb 10 3 kg 50
GROSS WEIGHT
60 70 80 90100 110120130 180 150 200 220 10 3 lb
50 20 30 40 50 60 70 80 90 100 10 3 kg
100
To determine travel performance: Read from 40

TOTAL RESISTANCE (GRADE+ROLLING)(%)

80 EMPTY LOADED
30
gross weight down to the percent of total 60 F1 40.0
20 35.0
40 30.0
resistance. From this weight-resistance point, 25.0
30 20.0
read horizontally to the curve with the high- 20
10
9
F2 15.0
14.0
8 F3 13.0

est obtainable speed range, then down to

RI MP UL L
12.0
7 11.0
6 F4
10.0
9.0
5 8.0
maximum speed. Usable rimpull depends 10
4 F5 7.0
6.0
3 F6
upon traction available and weight on drive 5 5.0
4.0
2
wheels. 4 3.0 F7
3 2.0
1
2

0
0 10 20 30 40 50 60 70 km/h
0 10 15 20 25 30 35 40 MPH
TRAVEL SPEED

BRAKE PERFORMANCE Grade distance: Continuous Descent Grade distance: 450 m (1480 ft)
GROSS WEIGHT GROSS WEIGHT
To determine brake performance: These 0 50 100 150 200 10 3 lb 0 50 100 150 200 10 3 lb
0 10 20 30 40 50 60 70 80 90 100 10 3 kg 0 10 20 30 40 50 60 70 80 90 100 10 3 kg
curves are provided to establish the maxi-

TOTAL RESISTANCE (GRADE+ROLLING)(%)

TOTAL RESISTANCE (GRADE+ROLLING)(%)

EMPTY LOADED EMPTY LOADED
mum speed and gearshift position for
safer descents on roads with a given dis-
tance. Read from gross weight down to -30 -30

the percent of total resistance. From this -25 -25

F1
weight resistance point, read horizontally F1
-20
F2
-20
to the curve with the highest obtainable F2
-15 F3 -15
speed range, then down to maximum F3 F4
-10 F5 -10
descent speed the brakes can safely han- F4 F6
F7
F5
F6 -5 -5
dle without exceeding cooling capacity. F7

0 10 20 30 40 50 60 70 80 90 100 km/h 0 10 20 30 40 50 60 70 80 90 100 km/h

0 10 20 30 40 50 60 MPH 0 10 20 30 40 50 60 MPH
TRAVEL SPEED TRAVEL SPEED

Grade distance: 600 m (1970 ft) Grade distance: 900 m (2950 ft) Grade distance: 1500 m (4920 ft)
GROSS WEIGHT GROSS WEIGHT GROSS WEIGHT
0 50 100 150 200 10 3 lb 0 50 100 150 200 10 3 lb 0 50 100 150 200 10 3 lb
0 10 20 30 40 50 60 70 80 90 100 10 3 kg 0 10 20 30 40 50 60 70 80 90 100 10 3 kg 0 10 20 30 40 50 60 70 80 90 100 10 3 kg
TOTAL RESISTANCE (GRADE+ROLLING)(%)

TOTAL RESISTANCE (GRADE+ROLLING)(%)

TOTAL RESISTANCE (GRADE+ROLLING)(%)

EMPTY LOADED EMPTY LOADED EMPTY LOADED

-30 -30 -30

F1 -25 -25 -25

F1 F1
F2 -20 -20 -20
F2 F2

F3 -15 -15 -15

F3
F3
F4
-10 F4 -10 F4 -10
F5 F5
F6 F5
F7 F6 F6
-5 F7 -5 F7 -5

0 10 20 30 40 50 60 70 80 90 100 km/h 0 10 20 30 40 50 60 70 80 90 100 km/h 0 10 20 30 40 50 60 70 80 90 100 km/h

0 10 20 30 40 50 60 MPH 0 10 20 30 40 50 60 MPH 0 10 20 30 40 50 60 MPH
TRAVEL SPEED TRAVEL SPEED TRAVEL SPEED
Performance line:
Solid lines...Exhaust retarder brake, additional (OPTION)

www.Komatsu.com Printed in Japan 200412 IP.M.MY(15)

CEN00021-00 Materials and specifications are subject to change without notice.

is a trademark of Komatsu Ltd. Japan.