Power Train — Engine

The Cat® C32 engine with ACERT™ Technology is built for power, reliability and efficiency for superior performance in the toughest applications.

Power Train — Transmission

Cat power train delivers more power to the ground for greater productivity and lower operating costs.


Rugged Cat structures are the backbone of the 777F off-highway truck’s durability.

Engine — Power Train Integration

This system electronically combines critical power train components to work together more intelligently to optimize overall truck performance.

Brake System

Reliable braking with superior control gives the operator the confidence to focus on productivity.

Operator’s Station

Ergonomically designed for operator comfort, superior control and high productivity.


Less time spent on maintenance means more time on the haul roads.

Information & Monitoring

Vital machine health and payload data keeps the 777F performing at peak production levels.

Truck Body Systems

Cat designed and built for rugged performance and reliability in the toughest hauling applications.


Caterpillar machines and systems are designed with safety as the first priority.

Customer Support

Caterpillar® dealers have what it takes to keep trucks productive.

777F Standard Equipment

  • 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
  • Light, dome/courtesy
  • Load counter, automatic
  • Messenger display unit
  • Mirrors, heated (left/right)
  • Power port, 24V and 12V (2)
  • 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

  • Cat® C32 Engine with ACERT™ Technology
  • Braking system:
  • Transmission:

  • Extended Life Coolant to -35° C (-30° F)

  • Alarm, backup
  • Alternator, 95-amp
  • Auxiliary jump start receptacle
  • Batteries, maintenance-free, 12V (4), 190 amp-hour
  • Electrical system, 25-amp, 24V to 12V converter
  • Lighting system:
  • MineStar™ Ready
  • Product Link Ready (Level 1)

  • Engine crankcase
  • Driveline
  • Fan and Air Conditioning

  • Suspension, rear (European Union compliant)

  • Body mounting group
  • Body safety pin (secures body in up position)
  • Body down indicator
  • CD-ROM parts book
  • Center mounted rims
  • Direct drive fan
  • Fuel tank, 1136 L (300 gal)
  • Fast fuel system, pressurizing
  • Ground level battery disconnect
  • Service platform level engine start/disable switch
  • Service platform level transmission, hoist and steering disable switch
  • Ground level engine shutdown
  • Ground level grease fittings
  • Rims, 19.5 x 49 in
  • Rock ejectors
  • Supplemental steering (automatic)
  • Tie down eyes
  • Tow hooks, front
  • Tow pin, rear
  • Vandalism protection locks

777F Optional Equipment

Body Liner, Dual Slope, Steel, 16 mm

Body Liner, Dual Slope, Rubber, 102 mm

Cat Compression Brake

Automatic Lubrication System

Clustered Grease Fittings

Engine Coolant Heater

Extended Life Disc Brakes

Fast Fuel System, Non-pressurizing

Front Dry Brakes

Fuel Heater

Fuel Tank, 1125 L (350 gal)

HID Lights

Hoist Control

Muffler, Full Time

Muffler, Adjustable Exhaust Diverter

Oil Renewal System (ORS)

Product Link (Level 3)

Road Analysis Control (RAC)

Spare Rim, 19.5 in

Traction Control System (TCS)

Truck Production Management System (TPMS)

Universal Mounting Kit

VIMS™ Monitoring System

Variable Speed Fan, Rockford

Work Area Vision System (WAVS) Rear Vision Camera

Wheel Chocks

Wiggins High Speed Oil Change

Wiggins Service Center


Engineered for performance, designed for comfort, built to last.


Engine Model Cat® C32 ACERT™ Cat® C32 ACERT™ Less
Gross Power - SAE J1995 1016.0 hp 758.0 kW Less
Net Power - Cat 938.7 hp 700.0 kW Less
Net Power - ISO 9249 938.7 hp 700.0 kW Less
Net Power - 80/1269/EEC 938.7 hp 700.0 kW Less
Bore 5.7 in 145.0 mm Less
Stroke 6.4 in 162.0 mm Less
Displacement 1959.0 in3 32.1 L Less
Net Power 939.0 hp 700.0 kW Less
Net Power - SAE J1349 938.7 hp 700.0 kW Less
Number of Cylinders 12 12 Less
Peak Torque 2478.0 lb ft 4716.0 N·m Less

Weights - Approximate

Gross Machine Operating Weight (GMW) 36200.0 lb 16420.0 kg Less
Chassis Weight 107756.0 lb 48877.0 kg Less
Operating Weight - Empty 163089.85 lb 73976.4 kg Less
Operating Weight - Loaded 360000.0 lb 163293.0 kg Less
Body Weight - MSD 36200.0 lb 16420.0 kg Less

Operating Specifications

Nominal Payload Capacity 100.0 tons 90.9 tonnes Less
Top Speed - Loaded 40.01 mph 64.5 km/h Less
Maximum Payload Capacity 100.0 tons 90.9 tonnes Less
Maximum Capacity Struck (SAE) 54.8 yd3 41.9 m3 Less
Steer Angle 305.0 Degrees 30.5 Degrees Less
SAE (2:1) Capacity 78.8 yd3 60.2 m3 Less
Turning Diameter - Front 83.0 ft 25.3 m Less

Final Drives

Differential Ratio 2.74:1 2.74:1 Less
Planetary Ratio 7.00:1 7.00:1 Less
Total Reduction Ratio 19.16:1 19.16:1 Less


Forward 1 6.5 mph 10.5 km/h Less
Forward 2 8.9 mph 14.3 km/h Less
Forward 3 12.0 mph 19.3 km/h Less
Forward 4 16.2 mph 26.1 km/h Less
Forward 5 22.0 mph 35.4 km/h Less
Forward 6 29.6 mph 47.6 km/h Less
Forward 7 40.1 mph 64.5 km/h Less
Reverse 7.5 mph 12.1 km/h Less


Effective Cylinder Stroke - Front 12.6 in 319.0 mm Less
Effective Cylinder Stroke - Rear 6.5 in 165.0 mm Less
Rear Axle Oscillation 5.4° 5.4° Less

Body Hoists

Pump Flow - High Idle 130.0 gal/min 492.0 L/min Less
Relief Valve Setting - Raise 2750.0 psi 18950.0 kPa Less
Body Raise Time - High Idle 15.0 Seconds 15.0 Seconds Less
Body Power Down - High Idle 12.0 Seconds 13.0 Seconds Less
High Idle Body Lower Time - Float 10.0 Seconds 13.0 Seconds Less
Relief Valve Setting - Lower 500.0 psi 3450.0 kPa Less

Braking System

Brake Surface - Front 6235.0 in2 40225.0 cm2 Less
Brake Surface - Rear 15828.0 in2 102116.0 cm2 Less
Standards ISO 3450:1996 ISO 3450:1996 Less

Approximate Weights - Dual Slope

Gross Weight - Empty 142039.0 lb 64248.0 kg Less
Chassis 107756.0 lb 48877.0 kg Less
Body 36200.0 lb 16420.0 kg Less
Front Axle - Empty 45.0 % 45.0 % Less
Front Axle - Loaded 33.0 % 33.0 % Less
Rear Axle - Empty 55.0 % 55.0 % Less
Rear Axle - Loaded 67.0 % 67.0 % Less
Empty Chassis Weight - Dual Slope Lined 154753.0 lb 70196.0 kg Less
Empty Machine Weight - Dual Slope Lined 107756.0 lb 48877.0 kg Less
Gross Vehicle - Dual Slope Rubber Lined 156963.0 lb 71194.0 kg Less
Chassis - Dual Slope Rubber Lined 107756.0 lb 48877.0 kg Less
Body - Dual Slope Rubber Lined 51114.0 lb 23186.0 kg Less

Capacity - Dual Slope - 100% Fill Factor

Struck 54.8 yd3 41.9 m3 Less
Heaped (SAE 2:1) 78.8 yd3 60.2 m3 Less

Service Refill Capacities

Fuel Tank (standard) 300.0 gal 1136.0 L Less
Cooling System 61.0 gal 232.0 L Less
Crankcase 30.0 gal 114.0 L Less
Steering Tank 8.0 gal 30.0 L Less
Steering System (Includes Tank) 15.0 gal 57.0 L Less
Brake/Hoist Hydraulic Tank 50.0 gal 189.0 L Less
Brake/Hoist System (Includes Tank) 133.0 gal 504.0 L Less
Differential and Final Drives 70.0 gal 264.0 L Less
Torque Converter/Transmission System (Includes Sump) 65.0 gal 246.0 L Less
Transmission Tank 12.0 gal 47.0 L Less


Standard Tires 27.00R49 (E4) 27.00R49 (E4) Less


Front Canopy Height 16.96 ft 5170.0 mm Less
Height to Top of ROPS 15.46 ft 4715.0 mm Less
Overall Body Length 32.25 ft 9830.0 mm Less
Inside Body Length 21.58 ft 6580.0 mm Less
Overall Length 34.56 ft 10536.0 mm Less
Wheelbase 14.96 ft 4560.0 mm Less
Rear Axle to Tail 10.04 ft 3062.0 mm Less
Ground Clearance 2.93 ft 896.0 mm Less
Dump Clearance 3.17 ft 965.0 mm Less
Loading Height - Empty 14.37 ft 4380.0 mm Less
Inside Body Depth - Max 6.21 ft 1895.0 mm Less
Overall Height - Body Raised 33.87 ft 10325.0 mm Less
Operating Width 21.3 ft 6494.0 mm Less
Centerline Front Tire Width 13.28 ft 4050.0 mm Less
Engine Guard Clearance 2.83 ft 864.0 mm Less
Overall Canopy Width 19.84 ft 6050.0 mm Less
Outside Body Width 18.12 ft 5524.0 mm Less
Inside Body Width 17.06 ft 5200.0 mm Less
Rear Axle Clearance 2.88 ft 880.0 mm Less
Centerline Rear Dual Tire Width 11.73 ft 3576.0 mm Less
Overall Tire Width 17.13 ft 5223.0 mm Less


ROPS Standards .ISO 3471:1994 ISO 3449:1992 Level II .ISO 3471:1994 ISO 3449:1992 Level II Less


Sound Standards .ANSI/J919 APR95 SAE J88 APR95 .ANSI/J919 APR95 SAE J88 APR95 Less


Steering Standards SAE J1511 FEB94 ISO 5010:1992 SAE J1511 FEB94 ISO 5010:1992 Less
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