777D Off-Highway Truck

Overview & Specifications

Engine

Engine Model

Cat® 3508B EUI

Cat® 3508B EUI

Rated Engine Speed

1750 RPM

1750 RPM

Gross Power – SAE J1995

1000 hp

746 kW

Net Power – SAE J1349

938 hp

699 kW

Net Power - Cat

938 hp

699 kW

Flywheel Power

938 hp

699 kW

Net Power – 80/1269/EEC

938 hp

699 kW

Net Power – ISO 9249

938 hp

699 kW

Number of Cylinders

8

8

Torque Rise

23 %

23 %

Bore

6.7 in

170 mm

Stroke

7.5 in

190 mm

Displacement

2105 in3

34.5 L

Weights – Approximate

Target Gross Machine Operating Weight

360000 lb

163293 kg

Operating Weight - Empty

141749 lb

64296 kg

Chassis Weight

107100 lb

48600 kg

Body Weight

34800 lb

15800 kg

Operating Specifications

Nominal Payload Class (100%)

100 tons

90.9 tonnes

Top Speed – Loaded

39.9 mph

60.4 km/h

Body Capacity - Struck

55.06 yd3

42.1 m3

Maximum Capacity

100 tons

90.9 tonnes

Steer Angle

31.8 Degrees

31.8 Degrees

Body Capacity – SAE 2:1

78.6 yd3

60.1 m3

Transmission

Forward 1

6.5 mph

10.5 km/h

Forward 2

8.9 mph

14.3 km/h

Forward 3

12 mph

19.3 km/h

Forward 4

16.2 mph

26 km/h

Forward 5

21.9 mph

34.9 km/h

Forward 6

29.4 mph

46.6 km/h

Forward 7

39.9 mph

60.4 km/h

Reverse

7.4 mph

11.9 km/h

Final Drives

Differential Ratio

2.74:1

2.74:1

Planetary Ratio

7.00:1

7.00:1

Total Reduction Ratio

19.16:1

19.16:1

Brakes

Brake Surface – Front

432 in2

2787 cm2

Brake Surface – Rear

15828 in2

102116 cm2

Brake Standards

ISO 3450: 1996; SAE J1473 OCT90

ISO 3450: 1996; SAE J1473 OCT90

Body Hoists

Pump Flow – High Idle

119 gal/min

405.5 L/min

Relief Valve Setting – Raise

2750 psi

18962 kPa

Relief Valve Setting – Lower

3450 psi

18950 kPa

Body Raise Time – High Idle

15 Seconds

15 Seconds

Body Lower Time – Float

13 Seconds

13 Seconds

Body Power Down – High Idle

13 Seconds

13 Seconds

Capacity – Dual Slope – 100% Fill Factor

Struck

55 yd3

42.1 m3

Heaped 2:1 (SAE)

78.6 yd3

60.1 m3

Weight Distributions – Approximate

Front Axle – Empty

47 %

47 %

Front Axle – Loaded

33 %

33 %

Rear Axle – Empty

53 %

53 %

Rear Axle – Loaded

67 %

67 %

Suspension

Effective Cylinder Stroke - Front

12.5 in

318 mm

Effective Cylinder Stroke - Rear

6.5 in

165 mm

Rear Axle Oscillation

5.4 Degrees

5.4 Degrees

Approximate Weights – Dual Slope

Chassis

106964 lb

45518 kg

Body

34785 lb

15788 kg

Approximate Weights – Dual Slope Lined

Body

46840 lb

21246 kg

Service Refill Capacities

Fuel Tank

300 gal

1136 L

Cooling System

86 gal

325 L

Differentials and Final Drives

87 gal

329 L

Steering Tank

15 gal

57 L

Steering System (Includes Tank)

22 gal

84 L

Torque Converter / Brake / Hoist Hydraulic Tank

66 gal

250 L

Torque Converter / Brake / Hoist System (Includes Tank)

133 gal

504 L

Tires

Standard Tire

27.00-R49 (E4)

27.00-R49 (E4)

ROPS

ROPS/FOPS Standards

SAE J1040 MAY94, ISO 3471:1997

SAE J1040 MAY94, ISO 3471:1997

Sound

Sound Standards

ANSI/SAE J1166 MAY90, SAE J88 JUN96

ANSI/SAE J1166 MAY90, SAE J88 JUN96

Steering

Steering Standards

SAE J1511 OCT90, ISO 5010:1992 (E)

SAE J1511 OCT90, ISO 5010:1992 (E)

Steer Angle

31.8 Degrees

31.8 Degrees

Dimensions

Height - Top of ROPS

14.8 ft

4472 mm

Overall Body Length

31.3 ft

9525 mm

Inside Body Length

23.73 ft

7234 mm

Overall Length

32.09 ft

9780 mm

Wheelbase

14.99 ft

4570 mm

Rear Axle to Tail

9.11 ft

3020 mm

Ground Clearance

2.46 ft

750 mm

Dump Clearance

3.1 ft

1164 mm

Loading Height - Empty

14.37 ft

4380 mm

Inside Body Depth - Max

6.3 ft

1898 mm

Overall Height - Body Raised

33 ft

10059 mm

Operating Width

20.03 ft

6105 mm

Centerline Front Tire Width

13.69 ft

4173 mm

Engine Guard Clearance

2.33 ft

700 mm

Overall Canopy Width

19.1 ft

6048 mm

Outside Body Width

18.12 ft

5524 mm

Inside Body Width

17.06 ft

5200 mm

Front Canopy Height

16.6 ft

5045 mm

Rear Axle Clearance

2.5 ft

750 mm

Centerline Rear Dual Tire Width

11.75 ft

3576 mm

Overall Tire Width

17.26 ft

5262 mm