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Off-Highway Trucks

770 Off-Highway Truck

  • Engine Model
    Cat® C15
  • Rated Engine Speed
    1700 r/min
  • Gross Power
    515 hp
  • Net Power
    477 hp
Engine
Engine Model
Cat® C15
Rated Engine Speed
1700 r/min
Gross Power
515 hp
Net Power
477 hp
Net Power
477 hp
Net Power
489 hp
Net Power
508 hp
Net Torque
1834 ft·lbf
Number of Cylinders
6
Bore
5.4 in
Stroke
6.7 in
Displacement
927.6 in³
Emissions
Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Note
Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
Note
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note
No engine derating required up to 3000 m (9,843 ft) altitude.
Note
Meets Japan Small Volume Exemption.
Weights - Approximate
Target Gross Machine Operating Weight
157000 lb
Target Gross Machine Weight
157000 lb
Chassis Weight
55948 lb
Body Weight
17306 lb
Note
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note
Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
Operating Specifications
Nominal Payload Class
42.1 ton (US)
Top Speed
45.8 mile/h
Target Payload
42.1 ton (US)
Maximum Working Payload
46.3 ton (US)
Maximum Allowable Payload
50.5 ton (US)
Body Capacity
32.9 yd³
Note
*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note
Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.
Transmission
Forward
7.4 mile/h
Forward
10.1 mile/h
Forward
13.8 mile/h
Forward
18.5 mile/h
Forward
25.1 mile/h
Forward
33.8 mile/h
Forward
45.8 mile/h
Reverse
8.8 mile/h
Note
Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
Differential Ratio
1.92:1
Planetary Ratio
4.80:1
Total Reduction Ratio
9.26:1
Brakes
Brake Surface
216 in²
Brake Surface
6235 in²
Brake Standards
ISO 3450:2011
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
Pump Flow
118 gal/min
Relief Valve Setting
2750 psi
Relief Valve Setting
500 psi
Body Raise Time
7.5 s
Body Lower Time
10 s
Body Power Down
10 s
Capacity - Dual Slope - 100% Fill Factor
Struck
23.01 yd³
Heaped
32.9 yd³
Note
*ISO 6483:1980.
Note
Contact your local Cat dealer for body recommendation.
Capacity - Flat Floor - 100% Fill Factor
Struck
23.01 yd³
Heaped
32.9 yd³
Note
Contact your local Cat dealer for body recommendation.
Note
*ISO 6483:1980.
Weight Distributions - Approximate
Front Axle
49 %
Front Axle
34 %
Rear Axle
51 %
Rear Axle
66 %
Suspension
Empty Loaded Cylinder Stroke Front
9.2 in
Empty Loaded Cylinder Stroke Rear
5.9 in
Rear axle
8.9 °
Service Refill Capacities
Fuel Tank
140 gal (US)
Cooling System
33 gal (US)
Crankcase
17 gal (US)
Differential
47 gal (US)
Steering Tank
14.5 gal (US)
Steering System
23 gal (US)
Brake
38 gal (US)
Brake Hoist System
60 gal (US)
Torque Converter
17 gal (US)
DEF Tank
6 gal (US)
Tires
Standard Tire
18.00R33 (E4)
Note
Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
ROPS
ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
Sound
Sound Standards
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
Sound Standards
Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.
Steering
Steering Standards
ISO 5010:2007
Steer Angle
40.5 °
Turning Diameter
57.7 ft
Turning Circle
66.6 ft
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Dimensions
Height
12.7 ft
Overall Body Length
26.8 ft
Inside Body Length
18.5 ft
Overall Length
28.9 ft
Wheel Base
13 ft
Rear Axle
8.5 ft
Ground Clearance
1.6 ft
Dump Clearance
1.7 ft
Loading Height
10.3 ft
Inside Body Depth
4.6 ft
Overall Height
27.1 ft
Operating Width
15.7 ft
Centerline Front Tire Width
10.2 ft
Engine Guard Clearance
1.8 ft
Outside Body Width
12.9 ft
Inside Body Width
11.9 ft
Front Canopy Height
13.5 ft
Rear Axle
1.8 ft
Centerline of Rear Dual Tire Width
8.3 ft
Overall Tire Width
12.1 ft
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ELECTRICAL
    • Alarm, backup
    • Alternator, 115 ampere
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (2), 190 amp-hour
    • Electrical system, 24V
    • Lighting system:
      – Backup light (halogen)
      – Directional signals/hazard warning (front and rear LED)
      – Headlights, (halogen) with dimmer
      – Operator access courtesy lights (Developing Market Only)
  • PRODUCT LINK COMMUNICATIONS
    • Product Link Ready
  • GUARDS
    • Driveline
    • Engine crankcase
  • OPERATOR ENVIRONMENT
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready:
      – 5 amp converter
      – Speakers
      – Antenna
      – Wiring harness
    • Gauges/indicators:
      – Air cleaner service indicator - electronic
      – Brake oil temperature gauge
      – Coolant temperature gauge
      – Hour meter
      – Tachometer
      – Engine overspeed indicator
      – Fuel level
      – Speedometer with odometer
      – Transmission gear indicator
    • Heater/defroster (11 070 kCal/43,930 BTU)
    • Hoist lever
    • Horn, electric
    • Light - dome
    • Light - courtesy
    • Messenger, display unit
    • Mirrors
    • Power port, 12V
    • ROPS cab, insulated/sound suppressed
    • Seat, Cat Comfort Series III:
      – full air suspension
      – four-point harness
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor, tinted glass
    • Throttle lock
    • Windshield wiper (intermittent) and washer
  • POWER TRAIN
    • Air-To-Air Aftercooler (ATAAC)
    • Air cleaner with precleaner (1)
    • Automatic cold mode idle control
    • Electric start
    • Turbocharger
    • Braking system, hydraulic actuated:
      – Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes)
      – Brake release motor (towing)
      – Caliper-disc (front)
      – Extended Life Brakes
      – Oil-cooled, multiple disc (rear)
      – Parking
      – Secondary
      – Service
    • Transmission:
      – 7-speed automatic powershift
      – Body up-shift inhibitor
      – Controlled throttle shifting
      – Directional shift management
      – Downshift inhibitor
      – Neutral start switch
      – Neutral coast inhibitor
      – Reverse shift inhibitor
      – Reverse neutralizer during dumping
      – Programmable top gear selection
  • SUSPENSION SYSTEMS
    • Suspension, front and rear
  • OTHER STANDARD EQUIPMENT
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD-ROM parts book
    • Fan, hydraulic demand
    • Fuel tank (530 L/140 gal)
    • Guard, engine compartment
    • Guard, mud
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate):
      – Brake/converter/hoist
      – Steering
      – Transmission/torque converter
    • Rims 15 × 33
    • Rock ejectors
    • Service platform, left and right side
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks (front)/Tow pin (rear)
    • Vandalism protection locks
  • ANTIFREEZE
    • Extended Life Coolant to -35° C (-30° F)
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • OPTIONAL EQUIPMENT
    • Cat Engine Brake
    • Extended Life Brake Discs
    • Body heat/diverter box
    • Four (4) batteries
    • HID lights
    • Product Link
    • Backup alarm
    • Heated mirrors
    • Fuel heater
    • Ether aid
    • Coolant heater
    • Auto lube
    • Rear vision camera (WAVS)
    • Spare rims
    • Wheel chocks
    • Body sideboards
    • Traction Control System (TCS)