- Category: Off-Highway Trucks ➔
- Manufacturer: Caterpillar ➔
- Model: 770 ➔
The Caterpillar 770 Off-Highway Truck is a powerful and reliable workhorse designed for heavy-duty hauling and off-road operations. With a spacious body capacity and impressive engine specifications, this truck can handle large loads with ease. From its turbocharged engine to its planetary ratio final drives, the Cat 770 is built to deliver exceptional performance and efficiency in tough working conditions.
Approximate Weights - Flat Floor
Articulating/Rigid
Body Hoists
Body Lower Time - Float | 12.5 seconds |
Body Power Down - High Idle | 12.5 seconds |
Body Raise Time - High Idle | 9.5 seconds |
Pump Flow - High Idle | 136 gpm (515 lpm) |
Relief Valve Setting - Raise | 2500 psi |
Brakes
Brake Surface - Rear | 6,235 cu in (102,174 cu cm) |
Standards | 2.74:1 |
Capacity - Flat Floor - 100% Fill Factor
Heaped 2:1 (SAE) | 33 cu yd (25 cu m) |
Dimensions
Centerline Front Tire Width | 10 ft (3 m) |
Dump Ground Clearance | 2 ft (0 m) |
Dump Height | 27 ft (8 m) |
Front Canopy Height | 14 ft (4 m) |
Ground Clearance | 2 ft (1 m) |
Inside Body Length | 18 ft (6 m) |
Loading Height - Empty | 10 ft (3 m) |
Operating Width | 16 ft (5 m) |
Outside Body Width | 157,000 ft (47,854 m) |
Overall Height | 10 ft (3 m) |
Overall Height - Body Raised | 27 ft (8 m) |
Overall Length | 29 ft (9 m) |
Overall Width | 16 ft (5 m) |
Wheel Base | 13 ft (4 m) |
Wheelbase | 13 ft (4 m) |
DRIVE SYSTEM
Dump
Load Capacity - heaped | 33 cu yd (25 cu m) |
Load Capacity - Struck | 22 cu yd (17 cu m) |
Lower Time | 12.5 seconds |
Raise Time | 9.5 seconds |
Engine
Aspiration | Turbocharged |
Bore | 5 in (14 cm) |
Displacement | 928 cu in (15,201 cu cm) |
Engine Model | Cat C15 ACERT |
Gross Power | 511 hp (381 kw) |
Gross Power - SAE J1995 | 511 hp (381 kw) |
Make | Cat |
Max Torque | 1,711 lbs ft (2,320 nm) |
Model | C15 ACERT |
Net Power | 476 hp (355 kw) |
Net Power - 80/1269/EEC | 476 hp (355 kw) |
Net Power - SAE J1349 | 476 hp (355 kw) |
Number of Cylinders | 6 |
Peak Torque | 1,711 lbs ft (2,320 nm) |
Power Measured @ | 1800 rpm |
Stroke | 7 in (17 cm) |
Torque Measured @ | Turbocharged rpm |
Torque Rise | 12.5 |
Final Drives
Planetary Ratio | 4.80:1 |
Total Reduction Ratio | 13.15:1 |
Operating Specifications
Alternator Supplied Amperage | Power Shift |
Body Capacity - SAE 2:1 | 33 cu yd (25 cu m) |
Brake/Hoist System Fluid Capacity | 73 gal (276 l) |
Cooling System Fluid Capacity | 30 gal (114 l) |
Diff and Final Drive Fluid Capacity | 42 gal (159 l) |
Engine Oil Capacity | 56 gal (212 l) |
Fuel Capacity | 140 gal (530 l) |
Maximum Capacity | 80,000 lbs (36,287 kg) |
Nominal Payload Capacity | 22 lbs (10 kg) |
Nominal Payload Class (100%) | 80,000 lbs (36,287 kg) |
Steering System Fluid Capacity | 15 gal (57 l) |
Tire Size | 18.00R33(E4) |
Top Speed - Loaded | 47 mph (75 kph) |
Service Refill Capacities
Brake / Hoist / Fan Hydraulic Tank | 35 gal (132 l) |
Brake/Hoist Hydraulic Tank | 80,000 gal (302,800 l) |
Cooling System | 30 gal (114 l) |
Crankcase | 9 gal (34 l) |
Fuel Tank | 140 gal (530 l) |
Steering System - Including Tank | 15 gal (57 l) |
Steering Tank | 9 gal (34 l) |
Torque Converter - Transmission Sump | 53,380 gal (202,043 l) |
Steering System
Steer Angle | 40 degrees |
Steering Standards | ISO 5010:1992 |
Turning Circle - Clearance Diameter | ISO 3450: 1996 ft |
Suspension
Effective Cylinder Stroke - Rear | 6 in (15 cm) |
Tires
Standard Tire | 18.00R33 (E4) |
Standard Tires | 216 |
Transmission
Forward - 1 | 8 mph (12 kph) |
Forward - 2 | 10 mph (17 kph) |
Forward - 3 | 14 mph (23 kph) |
Forward - 4 | 19 mph (30 kph) |
Forward - 5 | 25 mph (41 kph) |
Forward - 6 | 34 mph (55 kph) |
Forward - 7 | 47 mph (75 kph) |
Max Speed | 47 mph (75 kph) |
Number of Gears - Forward | 7 |
Number of Gears - Reverse | 1 |
Reverse | 10 mph (16 kph) |
Transmission Type | Power Shift |
Weights
Body Weight | 22,110 lbs (10,029 kg) |
Chassis Weight | 53,380 lbs (24,213 kg) |
Empty Weight | 75,490 lbs (34,242 kg) |
Front Axle - Empty | 48% |
Front Axle - Loaded | 34% |
Loaded Weight | 157,000 lbs (71,214 kg) |
Operating Weight | 157,000 lbs (71,214 kg) |
Operating Weight - Loaded | ISO 5010:1992 lbs |
Rear Axle - Empty | 52% |
Rear Axle - Loaded | 66% |
Weight Distribution Front - empty | 48% |
Weight Distribution Front - loaded | 34% |
Weight Distribution Rear - empty | 52% |
Weight Distribution Rear - loaded | 66% |