771D Quarry Truck

Overview & Specifications

Engine

Flywheel Power

486 hp

363 kW

Engine Model

Caterpillar 3408E

Caterpillar 3408E

Gross Power

517 hp

386 kW

Max. Torque

1612 lb ft

2186 N·m

Torque rise

26 %

26 %

Displacement

1099 in3

18 L

Net Power - ISO

485 hp

362 kW

Net Power - SAE J1349 (6/95)

480 hp

358 kW

Net Power - EEC 80/1269

485 hp

362 kW

Bore

5.4 in

137 mm

Stroke

6 in

152 mm

Net Power - Cat

485 hp

362 kW

Approximate Weights

Maximum Gross Machine Weight

166500 lb

75700 kg

Chassis

166500 lb

75700 kg

Front axle - loaded

32.9 %

32.9 %

Front axle - empty

46.3 %

46.3 %

Rear axle - empty

53.7 %

53.7 %

Rear axle - loaded

67.1 %

67.1 %

Body

23000 lb

10350 kg

Operating Specifications

Nominal Payload Capacity

45 tons

41 tonnes

SAE (2:1) Capacity

36 yd3

27.5 m3

Tires

• Tires

STandard: 18.00-R33 (E4)

STandard: 18.00-R33 (E4)

Transmission

Forward 1

7.8 mph

12.6 km/h

Forward 2

10.7 mph

17.2 km/h

Forward 3

14.5 mph

23.3 km/h

Reverse

10.3 mph

16.6 km/h

Forward 5

26.4 mph

42.5 km/h

Forward 6

35.6 mph

57.3 km/h

Forward 4

19.5 mph

31.4 km/h

Brakes

Brake surface - rear

8525 in2

54999 cm2

Brake surface - front

216 in2

1395 cm2

Service Refill Capacities

Fuel Tank Capacity

140 gal

530 L

Cooling System

30 gal

113.5 L

Crankcase

12 gal

45 L

Differentials and final drives

22 gal

83 L

Torque converter/transmission system (includes sump)

19 gal

72 L

Brake/hoist hydraulic tank

35 gal

133 L

Brake/hoist system (includes tank)

73 gal

277 L

Torque converter/transmission sump

14 gal

53 L

Steering tank

9 gal

34 L

Body Hoists

Pump flow - high idle

110 gal/min

417 L/min

Relief valve setting - raise

2500 psi

17225 kPa

Body power down @ high idle

8.3 Seconds

8.3 Seconds

Body raise time @ high idle

7.5 Seconds

7.5 Seconds

Body lower time float

8.3 Seconds

8.3 Seconds

Relief valve setting - lower

500 psi

3445 kPa

Suspension

Effective cylinder stroke - rear

5.9 in

149 mm

Rear axle oscillation

8.5 Degrees

8.5 Degrees

Capacity

Struck

26.4 yd3

20.2 m3

Heaped 2:1 (SAE)

36 yd3

27.5 m3

Heaped 3:1

32.8 yd3

25.1 m3

Heaped 1:1

44.9 yd3

34.3 m3

Final Drives

Differential ratio

2.74:1

2.74:1

Total reduction ratio

13.15:1

13.15:1

Planetary ratio

4.80:1

4.80:1