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770 Off-Highway Truck

770 Off-Highway Truck

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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

Engine Model
Cat® C15 ACERT™
Rated Engine Speed
1800.0 RPM
Gross Power - SAE J1995
511.0 hp
Net Power - SAE J1349
476.0 hp
Net Power - 80/1269/EEC
476.0 hp
Number of Cylinders
6
Bore
5.4 in
Stroke
6.7 in
Displacement
927.6 in3
Net Power - ISO 9249:1997
476.0 hp
Peak Torque
1711.0 lb ft

Weights - Approximate

Target Gross Machine Operating Weight
157000.0 lb
Chassis Weight
53380.0 lb
Body Weight
22110.0 lb

Operating Specifications

Nominal Payload Class (100%)
40.0 tons
Top Speed - Loaded
46.5 mph
Maximum Capacity
40.0 tons
Body Capacity - SAE 2:1
32.8 yd3
Target Payload Capacity
40.0 tons

Transmission

Forward 1
7.5 mph
Forward 2
10.3 mph
Forward 3
14.0 mph
Forward 4
18.8 mph
Forward 5
25.4 mph
Forward 6
34.3 mph
Forward 7
46.5 mph
Reverse
9.9 mph

Final Drives

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

Brakes

Brake Surface - Front
216.0 in2
Brake Surface - Rear
6235.0 in2
Brake Standards
ISO 3450: 1996

Body Hoists

Pump Flow - High Idle
136.0 gal/min
Relief Valve Setting - Raise
2500.0 psi
Relief Valve Setting - Lower
500.0 psi
Body Raise Time - High Idle
9.5 Seconds
Body Lower Time - Float
12.5 Seconds
Body Power Down - High Idle
12.5 Seconds

Capacity - Dual Slope - 100% Fill Factor

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

Capacity - Flat Floor - 100% Fill Factor

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

Weight Distributions - Approximate

Front Axle - Empty
48.0 %
Front Axle - Loaded
34.0 %
Rear Axle - Empty
52.0 %
Rear Axle - Loaded
66.0 %

Suspension

Effective Cylinder Stroke - Front
9.2 in
Effective Cylinder Stroke - Rear
5.9 in
Rear Axle Oscillation
5.4 Degrees

Service Refill Capacities

Fuel Tank
140.0 gal
Cooling System
30.0 gal
Differentials and Final Drives
22.0 gal
Steering Tank
9.0 gal
Steering System (Includes Tank)
15.0 gal
Brake / Hoist / Fan Hydraulic Tank
35.0 gal
Brake/Hoist/Fan System (Tank)
73.0 gal
Crankcase
9.0 gal
Transmission / Torque Converter System (Includes Sump)
19.0 gal
Transmission/Torque Converter Sump
14.0 gal

Tires

Standard Tire
18.00R33 (E4)

ROPS

ROPS/FOPS Standards
.

Sound

Sound Standards
.

Steering

Steering Standards
ISO 5010:1992
Steer Angle
40.0 Degrees

Dimensions

Height - Top of ROPS
12.83 ft
Overall Body Length
26.81 ft
Inside Body Length
18.21 ft
Overall Length
28.67 ft
Wheelbase
13.0 ft
Rear Axle to Tail
8.5 ft
Ground Clearance
2.23 ft
Dump Clearance
1.52 ft
Loading Height - Empty
10.24 ft
Inside Body Depth - Max
4.35 ft
Overall Height - Body Raised
27.17 ft
Operating Width
15.59 ft
Centerline Front Tire Width
10.2 ft
Engine Guard Clearance
2.21 ft
Overall Canopy Width
13.0 ft
Inside Body Width
12.13 ft
Front Canopy Height
13.58 ft
Rear Axle Clearance
1.67 ft
Centerline Rear Dual Tire Width
8.32 ft
Overall Tire Width
12.12 ft
  • OPERATOR ENVIRONMENT
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Array
    • Array
    • 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
    • Array
    • 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
    • Array
    • Array
    • Array
  • 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
    • Array
  • 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
    • Array
    • 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 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
  • Automatic Lube System
  • Cat Compression Brake
  • Clustered Grease Fittings
  • Engine Coolant Heater - 120V
  • Engine Coolant Heater - 240V
  • Ether Starting Aid
  • Exhaust Diverter/Muffler
  • Fast Fill Fuel System
  • Fast Fill Fuel System Non-Pressurizing
  • Fuel Heater Kit
  • Integrated Brake Control
  • Muffler
  • Sound Suppression Package
  • Spare Rim (330 mm) 13 in
  • Traction Control System (TCS)
  • Truck Production Management System (TPMS)
  • Wheel Chocks