770 Off-Highway Truck

770 Off-Highway Truck

Top Performance. Developed specifically for construction, mining and quarry applications, the 770 optimizes demands for lower cost per ton. Reliable, Durable Operation. Rugged construction and easy maintenance procedures ensure long life with low operating costs.

Engine Model
Cat® C15 ACERT™
Fuel Tank
140.0 gal
Effective Cylinder Stroke - Front
9.2 in
Effective Cylinder Stroke - Rear
5.9 in

Engine

Engine Model
Cat® C15 ACERT™
Peak Torque
1711.0lb ft
Engine Model
Cat® C15 ACERT™
Peak Torque
1711lb/ft
Rated Engine Speed
1800r/min
Gross Power - SAE J1995
511mm H2O
Net Power - SAE J1349
476mm H2O
Net Power - 80/1269/EEC
476mm H2O
Number of Cylinders
6
Bore
5.4in
Stroke
6.7in
Displacement
927.6in³
Net Power - ISO 9249:1997
476mm H2O

Service Refill Capacities

Fuel Tank
140.0gal
Fuel Tank
140gal (US)
Cooling System
30gal (US)
Differential - Final Drives
22gal (US)
Steering Tank
9gal (US)
Steering System - Including Tank
15gal (US)
Brake / Hoist / Fan Hydraulic Tank
35gal (US)
Brake/Hoist/Fan System (Tank)
73gal (US)
Crankcase
9gal (US)
Transmission - Torque Converter System - Including Sump
19gal (US)
Transmission - Torque Converter Sump
14gal (US)

Suspension

Effective Cylinder Stroke - Front
9.2in
Effective Cylinder Stroke - Rear
5.9in
Effective Cylinder Stroke - Front
9.2in
Effective Cylinder Stroke - Rear
5.9in
Rear axle - Oscillation
5.4°

Operating Specifications

Body Capacity - SAE 2:1
32.8yd3
Body Capacity - SAE 2:1
32.8yd³
Nominal Payload Class (100%)
40t
Top Speed - Loaded
46.5mile/h
Maximum Capacity
40t
Target Payload Capacity
40t

Dimensions

Height - Top of ROPS
12.83ft
Wheelbase
13.0ft
Ground Clearance
2.23ft
Inside Body Depth - Max
4.35ft
Height - Top of ROPS
12.83ft
Wheel Base
13ft
Ground Clearance
2.23ft
Inside Body Depth - Maximum
4.35ft
Overall Body Length
26.81ft
Inside Body Length
18.21ft
Overall Length
28.67ft
Rear Axle - Tail
8.5ft
Dump Clearance
1.52ft
Loading Height - Empty
10.24ft
Overall Height - Body Raised
27.17ft
Operating Width
15.59ft
Centerline Front Tire Width
10.2ft
Engine Guard Clearance
2.21ft
Overall Canopy Width
13ft
Inside Body Width
12.13ft
Front Canopy Height
13.58ft
Rear Axle - Clearance
1.67ft
Centerline of Rear Dual Tire Width
8.32ft
Overall Tire Width
12.12ft

ROPS

ROPS/FOPS Standards
.
ROPS/FOPS Standards
.

Sound

Sound Standards
.
Sound Standards
.

Weights - Approximate

Target Gross Machine Operating Weight
157000lb
Chassis Weight
53380lb
Body Weight
22110lb

Capacity - Dual Slope - 100% Fill Factor

Struck
21.5yd³
Heaped 2:1 (SAE)
32.8yd³

Capacity - Flat Floor - 100% Fill Factor

Struck
21.5yd³
Heaped 2:1 (SAE)
32.8yd³

Weight Distributions - Approximate

Front Axle - Empty
48%
Front Axle - Loaded
34%
Rear Axle - Empty
52%
Rear Axle - Loaded
66%

Transmission

Forward - 1
7.5mile/h
Forward - 2
10.3mile/h
Forward - 3
14mile/h
Forward - 4
18.8mile/h
Forward - 5
25.4mile/h
Forward - 6
34.3mile/h
Forward - 7
46.5mile/h
Reverse
9.9mile/h

Final Drives

Differential Ratio
2.74:1
Planetary Ratio
4.80:1
Total Reduction Ratio
13.15:1

Brakes

Brake Surface - Front
216in²
Brake Surface - Rear
6235in²
Brake Standards
ISO 3450: 1996

Body Hoists

Pump Flow - High Idle
136gal/min
Relief Valve Setting - Raise
2500psi
Relief Valve Setting - Lower
500psi
Body Raise Time - High Idle
9.5s
Body Lower Time - Float
12.5s
Body Power Down - High Idle
12.5s

Steering

Steering Standards
ISO 5010:1992
Steer Angle
40°

Tires

Standard Tire
18.00R33 (E4)

Standard Equipment:

  • Operator Environment
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready
    • Gauges/indicators:
    • Heater/defroster, (11.070 kCal/43,930 BTU)
    • Hoist lever
    • Horn, electric
    • Light, dome/courtesy
    • Messenger display unit
    • Mirrors
    • Power port, 12V
    • ROPS cab, insulated/sound suppressed
    • Seat, Caterpillar Comfort
    • Seat, training with lap belt
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor, tinted glass
    • Throttle lock
    • Windshield wiper (intermittent) and washer
  • Power Train
    • Cat C15 Engine with ACERT® Technology
    • Braking system:
    • Transmission:
  • Antifreeze
    • Extended Life Coolant to -35°C (-30°F)
  • Electrical
    • Alarm, backup
    • Alternator, 95-amp
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (2), 190 amp-hour
    • Electrical system, 24V
    • Lighting system:
  • Product Link Communications
    • Product Link Ready
  • Guards
    • Engine crankcase
    • Driveline
  • Suspension System
    • Suspension, front/rear (European Union compliant)
  • Other Standard Equipment
    • Body mounting group (flat floor or dual slope body)
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD-ROM parts book
    • Fan, hydraulic demand
    • Fuel tank, 530 L (140 gal)
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate):
    • Rims, 13 x 33 in
    • Rock ejectors
    • Service platform, left/right side
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks, front
    • Tow pin, rear
    • Vandalism protection locks

Optional Equipment:

  • Optional Body Systems:
    • Body Liner, Dual Slope/Flat Floor, Steel, 8 mm, 16 mm, 20 mm, or 25 mm
    • Body Liner, Dual Slope/Flat Floor, Rubber, High Impact