- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 777D ➔
The Caterpillar 777D Off-Highway Truck is a powerful machine designed for heavy-duty haulage in mining and construction operations. With a gross power of 1000 hp and a maximum payload capacity of 200,000 lbs, this truck boasts impressive performance capabilities. Its robust construction and advanced features, such as a 78.6 cu yd body capacity and a top speed of 39.9 mph, make it a reliable and efficient equipment choice for demanding worksites. Explore the detailed specifications of the Caterpillar 777D below.
General Specifications
Approximate Weights - Dual Slope
| Body | 34,785 lbs (15,778 kg)
|
| Chassis | 106,964 lbs (48,518 kg)
|
Approximate Weights - Flat Floor
Body Hoists
| Body Lower Time - Float | 13 seconds
|
| Body Raise Time - High Idle | 15 seconds
|
| Pump Flow - High Idle | 119 gpm (450 lpm)
|
| Relief Valve Setting - Raise | 2750 psi
|
Brakes
| Brake Surface - Rear | 15,828 cu in (259,375 cu cm)
|
| Standards | 2.74:1
|
Capacity - Dual Slope - 100% Fill Factor
| Heaped 2:1 (SAE) | 79 cu yd (60 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 | 14 ft (4 m)
|
| Dump Ground Clearance | 3 ft (1 m)
|
| Dump Height | 33 ft (10 m)
|
| Front Canopy Height | 17 ft (5 m)
|
| Ground Clearance | 3 ft (1 m)
|
| Inside Body Length | 24 ft (7 m)
|
| Loading Height - Empty | 14 ft (4 m)
|
| Operating Width | 20 ft (6 m)
|
| Overall Height | 17 ft (5 m)
|
| Overall Height - Body Raised | 33 ft (10 m)
|
| Overall Length | 32 ft (10 m)
|
| Overall Width | 20 ft (6 m)
|
| Wheel Base | 15 ft (5 m)
|
| Wheelbase | 15 ft (5 m)
|
Dump
| Dump Angle | 1750
|
| Load Capacity - heaped | 79 cu yd (61 cu m)
|
| Load Capacity - Struck | 55 cu yd (42 cu m)
|
| Raise Time | 15 seconds
|
| Rated Payload | 200,000 lbs (90,719 kg)
|
Engine
| Bore | 7 in (17 cm)
|
| Displacement | 2,105 cu in (34,495 cu cm)
|
| Engine Model | Cat 3508B EUI
|
| Flywheel Power | 938 hp (699 kw)
|
| Gross Power | 1,000 hp (746 kw)
|
| Gross Power - SAE J1995 | 1,000 hp (746 kw)
|
| Max Torque | 3,476 lbs ft (4,713 nm)
|
| Net Power | 938 hp (699 kw)
|
| Net Power - 80/1269/EEC | 938 hp (699 kw)
|
| Net Power - Cat | 938 hp (699 kw)
|
| Net Power - ISO 9249 | 938 hp (699 kw)
|
| Net Power - SAE J1349 | 938 hp (699 kw)
|
| Number of Cylinders | 8
|
| Stroke | 8 in (19 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 | 79 cu yd (60 cu m)
|
| Body Capacity - Struck | 55 cu yd (42 cu m)
|
| Brake/Hoist System Fluid Capacity | 110 gal (415 l)
|
| Circle Clearance Diameter | 86 ft (26 m)
|
| Cooling System Fluid Capacity | 86 gal (325 l)
|
| Diff and Final Drive Fluid Capacity | 87 gal (329 l)
|
| Engine Oil Capacity | 33 gal (124 l)
|
| Fuel Capacity | 300 gal (1,137 l)
|
| Lower Time | 14 seconds
|
| Maximum Capacity | 178,920 lbs (81,157 kg)
|
| Nominal Payload Capacity | 87 lbs (39 kg)
|
| Nominal Payload Class (100%) | 178,920 lbs (81,157 kg)
|
| Raise Time | 15 seconds
|
| Steer Angle | 31.8 degrees
|
| Steering System Fluid Capacity | 22 gal (84 l)
|
| Top Speed - Loaded | 40 mph (64 kph)
|
ROPS
| ROPS Standards | ANSI/SAE J1166 MAY90 SAE J88 JUN96
|
Service Refill Capacities
| Brake Hoist System - Includes Tank | 110 gal (415 l)
|
| Brake/Hoist Hydraulic Tank | 200,000 gal (757,000 l)
|
| Cooling System | 86 gal (326 l)
|
| Differential - Final Drives | 87 gal (329 l)
|
| Fuel Tank | 300 gal (1,136 l)
|
| Steering System - Including Tank | 22 gal (83 l)
|
| Steering Tank | 15 gal (57 l)
|
| Torque Converter - Brake - Hoist Hydraulic Tank | 66 gal (250 l)
|
| Torque Converter - Transmission Sump | 107,100 gal (405,374 l)
|
| Torque Converter - Transmission System - Including Sump | 37 gal (138 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 | 7 mph (10 kph)
|
| Forward - 2 | 9 mph (14 kph)
|
| Forward - 3 | 12 mph (19 kph)
|
| Forward - 4 | 16 mph (26 kph)
|
| Forward - 5 | 22 mph (35 kph)
|
| Forward - 6 | 29 mph (47 kph)
|
| Forward - 7 | 40 mph (64 kph)
|
| Max Speed | 38 mph (61 kph)
|
| Number of Gears - Forward | 7
|
| Number of Gears - Reverse | 1
|
| Reverse | 7 mph (12 kph)
|
Weights
| Chassis Weight | 107,100 lbs (48,580 kg)
|
| Empty Weight | 155,000 lbs (70,307 kg)
|
| Front Axle - Empty | 47%
|
| Front Axle - Loaded | 33%
|
| Loaded Weight | 355,011 lbs (161,030 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%
|
