- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 777D ➔
The Caterpillar 777D is a rigid-frame off-highway haul truck designed for mining, quarry, and large earthmoving applications. It is part of Caterpillar's 777 series and is used to transport high volumes of overburden, ore, and aggregate across rough terrain. The 777D typically features a diesel engine, mechanical powertrain, and large-capacity dump body for heavy-duty material hauling. Known for its durability and serviceability, the model is commonly used in fleet operations where payload, cycle time, and reliability are important. The Caterpillar 777D remains a recognized machine in off-highway truck applications worldwide.
Approximate Weights - Dual Slope
| Body | 34,785.00 lbs (15,778.23 kg)
|
| Chassis | 106,964.00 lbs (48,518.11 kg)
|
Approximate Weights - Flat Floor
| Body | 1,300.00 lbs (589.67 kg)
|
Body Hoists
| Body Lower Time - Float | 13 seconds
|
| Body Raise Time - High Idle | 15 seconds
|
| Pump Flow - High Idle | 119.00 gpm (450.42 lpm)
|
| Relief Valve Setting - Raise | 2750 psi
|
Brakes
| Brake Surface - Rear | 15,828.00 cu in (259,375.02 cu cm)
|
| Standards | 2.74:1
|
Capacity - Dual Slope - 100% Fill Factor
| Heaped 2:1 (SAE) | 78.60 cu yd (60.09 cu m)
|
Capacity - Flat Floor - 100% Fill Factor
| Heaped 2:1 (SAE) | SAE J1040 MAY94 ISO 3471:1997 cu yd
|
Dimensions
| Centerline Front Tire Width | 13.70 ft (4.18 m)
|
| Dump Ground Clearance | 2.90 ft (0.88 m)
|
| Dump Height | 32.80 ft (10.00 m)
|
| Front Canopy Height | 16.60 ft (5.06 m)
|
| Ground Clearance | 2.50 ft (0.76 m)
|
| Inside Body Length | 23.80 ft (7.25 m)
|
| Loading Height - Empty | 14.40 ft (4.39 m)
|
| Operating Width | 20.10 ft (6.13 m)
|
| Overall Height | 16.50 ft (5.03 m)
|
| Overall Height - Body Raised | 33.00 ft (10.06 m)
|
| Overall Length | 32.10 ft (9.78 m)
|
| Overall Width | 20.10 ft (6.13 m)
|
| Wheel Base | 15.00 ft (4.57 m)
|
| Wheelbase | 15.00 ft (4.57 m)
|
Dump
| Dump Angle | 1750
|
| Load Capacity - heaped | 79.20 cu yd (60.55 cu m)
|
| Load Capacity - Struck | 55.00 cu yd (42.05 cu m)
|
| Raise Time | 15 seconds
|
| Rated Payload | 200,000.00 lbs (90,718.59 kg)
|
Engine
| Bore | 6.70 in (17.02 cm)
|
| Displacement | 2,105.00 cu in (34,494.85 cu cm)
|
| Engine Model | Cat 3508B EUI
|
| Flywheel Power | 938.00 hp (699.48 kw)
|
| Gross Power | 1,000.00 hp (745.71 kw)
|
| Gross Power - SAE J1995 | 1,000.00 hp (745.71 kw)
|
| Max Torque | 3,476.20 lbs ft (4,713.03 nm)
|
| Net Power | 938.00 hp (699.48 kw)
|
| Net Power - 80/1269/EEC | 938.00 hp (699.48 kw)
|
| Net Power - Cat | 938.00 hp (699.48 kw)
|
| Net Power - ISO 9249 | 938.00 hp (699.48 kw)
|
| Net Power - SAE J1349 | 938.00 hp (699.48 kw)
|
| Number of Cylinders | 8
|
| Stroke | 7.50 in (19.05 cm)
|
| Torque Measured @ | 1300 rpm
|
Final Drives
| Planetary Ratio | 7.00:1
|
| Total Reduction Ratio | 19.16:1
|
Operating Specifications
| Alternator Supplied Amperage | automatic power shift
|
| Body Capacity - SAE 2:1 | 78.60 cu yd (60.09 cu m)
|
| Body Capacity - Struck | 55.10 cu yd (42.13 cu m)
|
| Brake/Hoist System Fluid Capacity | 109.70 gal (415.21 l)
|
| Circle Clearance Diameter | 85.50 ft (26.06 m)
|
| Cooling System Fluid Capacity | 85.90 gal (325.13 l)
|
| Diff and Final Drive Fluid Capacity | 87.00 gal (329.30 l)
|
| Engine Oil Capacity | 32.80 gal (124.15 l)
|
| Fuel Capacity | 300.40 gal (1,137.01 l)
|
| Lower Time | 14 seconds
|
| Maximum Capacity | 178,920.00 lbs (81,156.85 kg)
|
| Nominal Payload Capacity | 87.00 lbs (39.46 kg)
|
| Nominal Payload Class (100%) | 178,920.00 lbs (81,156.85 kg)
|
| Raise Time | 15 seconds
|
| Steer Angle | 31.8 degrees
|
| Steering System Fluid Capacity | 22.20 gal (84.03 l)
|
| Top Speed - Loaded | 39.90 mph (64.21 kph)
|
ROPS
| ROPS Standards | ANSI/SAE J1166 MAY90 SAE J88 JUN96
|
Service Refill Capacities
| Brake Hoist System - Includes Tank | 109.70 gal (415.21 l)
|
| Brake/Hoist Hydraulic Tank | 200,000.00 gal (757,000.02 l)
|
| Cooling System | 86.00 gal (325.51 l)
|
| Differential - Final Drives | 87.00 gal (329.30 l)
|
| Fuel Tank | 300.00 gal (1,135.50 l)
|
| Steering System - Including Tank | 22.00 gal (83.27 l)
|
| Steering Tank | 15.00 gal (56.78 l)
|
| Torque Converter - Brake - Hoist Hydraulic Tank | 66.00 gal (249.81 l)
|
| Torque Converter - Transmission Sump | 107,100.00 gal (405,373.51 l)
|
| Torque Converter - Transmission System - Including Sump | 36.50 gal (138.15 l)
|
Sound
| Sound Standards | ANSI/SAE J1166 MAY90 SAE J88 JUN96
|
Steering System
| Steer Angle | 31.8 degrees
|
| Steering Standards | SAE J1511 OCT90 ISO 5010:1992 (E)
|
| Turning Circle - Clearance Diameter | ISO 3450: 1996; SAE J1473 OCT90 ft
|
Tires
| Standard Tire | 27.00-R49 (E4)
|
| Standard Tires | 432
|
Transmission
| Forward - 1 | 6.50 mph (10.46 kph)
|
| Forward - 2 | 8.90 mph (14.32 kph)
|
| Forward - 3 | 12.00 mph (19.31 kph)
|
| Forward - 4 | 16.20 mph (26.07 kph)
|
| Forward - 5 | 21.90 mph (35.24 kph)
|
| Forward - 6 | 29.40 mph (47.31 kph)
|
| Forward - 7 | 39.90 mph (64.21 kph)
|
| Max Speed | 37.60 mph (60.51 kph)
|
| Number of Gears - Forward | 7
|
| Number of Gears - Reverse | 1
|
| Reverse | 7.40 mph (11.91 kph)
|
Weights
| Chassis Weight | 107,100.00 lbs (48,579.80 kg)
|
| Empty Weight | 155,000.00 lbs (70,306.90 kg)
|
| Front Axle - Empty | 47%
|
| Front Axle - Loaded | 33%
|
| Loaded Weight | 355,010.50 lbs (161,030.25 kg)
|
| Rear Axle - Empty | 53%
|
| Rear Axle - Loaded | 67%
|
| Weight Distribution Front - empty | 45.4%
|
| Weight Distribution Front - loaded | 33.3%
|
| Weight Distribution Rear - empty | 54.6%
|
| Weight Distribution Rear - loaded | 66.7%
|
