The 777D Off-highway Truck is engineered for performance, designed for comfort and built to last. The 777D is a truck for high production and low cost-per-ton hauling in off-highway applications. It has a reliable and durable operation and the rugged construction and easy maintenance guarantee long life with low operating costs.
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
100 hp
91 kW
Net Power - Cat
938 hp
699 kW
Flywheel Power
938 hp
699 kW
Net Power – 80/1269/EEC
55 hp
42.1 kW
Net Power – ISO 9249
37.5 hp
60.4 kW
Number of Cylinders
8
8
Displacement
2105.32 in3
34.5 L
Weights – Approximate
Target Gross Machine Operating Weight
141749 lb
64296 kg
Operating Weight - Empty
141749 lb
64296 kg
Operating Weight - Loaded
355000 lb
161028 kg
Chassis Weight
107100 lb
48600 kg
Body Weight
34800 lb
15800 kg
Operating Specifications
Nominal Payload Class (100%)
89.46 tons
90.9 tonnes
Top Speed – Loaded
39.9 mph
60.4 km/h
Body Capacity - Struck
55 yd3
42.1 m3
Maximum Capacity
89.46 tons
90.9 tonnes
Steer Angle
31.8 Degrees
31.8 Degrees
Circle Clearance Diameter
85.5 ft
26.1 m
Body Capacity – SAE 2:1
78.6 yd3
60.1 m3
Raise Time
15 Seconds
15 Seconds
Lower Time
14 Seconds
14 Seconds
Transmission
Forward 1
6.52 mph
10.5 km/h
Forward 2
8.89 mph
14.3 km/h
Forward 3
11.99 mph
19.3 km/h
Forward 4
16.16 mph
26 km/h
Forward 5
21.69 mph
34.9 km/h
Forward 6
28.96 mph
46.6 km/h
Forward 7
37.53 mph
60.4 km/h
Reverse
7.39 mph
11.9 km/h
Final Drives
Planetary Ratio
Planetary
Planetary
Body Hoists
Pump Flow – High Idle
107.12 gal/min
405.5 L/min
Relief Valve Setting – Raise
2750.2 psi
18962 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
Weight Distributions – Approximate
Front Axle – Empty
47 %
47 %
Front Axle – Loaded
33 %
33 %
Rear Axle – Empty
53 %
53 %
Rear Axle – Loaded
67 %
67 %
Service Refill Capacities
Fuel Tank
300 gal
1137 L
Cooling System
85.86 gal
325 L
Differentials and Final Drives
86.91 gal
329 L
Steering Tank
15.06 gal
57 L
Steering System (Includes Tank)
22.19 gal
84 L
Torque Converter / Brake / Hoist Hydraulic Tank
58.12 gal
220 L
Brake / Hoist System (Includes Tank)
109.63 gal
415 L
Torque Converter / Transmission System (Includes Sump)