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336 Excavator

  • Specs Summary

777G Off-Highway Truck

G Series represents a new era for this size class from Caterpillar. With your input, we have designed and manufactured a truck that is reliable, economical and offers comfort, confidence, and control for your operators. Your long-term success is our goal and with G Series trucks, we’re on the right road.

Standard Equipment


  • Autostall
  • Engine idle shutdown
  • Air-To-Air Aftercooler (ATAAC)
  • Air cleaner with precleaner (2)
  • Automatic cold mode idle control
  • Electric priming pump
  • Electric cold weather start (two starters and four batteries)
  • Ether starting aid
  • Exhaust, muffler
  • Fuel filter/water separator
  • Turbocharger (2)
  • Braking system:<br>– Extended Life Brakes<br>– Brake wear indicator<br>– Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes)<br>– Brake release motor (towing)<br>– Manual retarder (utilizes oil-cooled, multiple disc brakes)<br>– Oil-cooled, multiple disc (front/rear)<br>– Parking<br>– Secondary<br>– Service
  • Transmission<br>– Auto neutral idle<br>– APECS Software<br>– ECPC
  • Part Throttle Shifting<br>– 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control<br>– Body up-shift inhibitor<br>– Directional shift management<br>– Downshift inhibitor<br>– Neutral start switch<br>– Neutral coast inhibitor<br>– Reverse shift inhibitor<br>– Reverse neutralizer during dumping<br>– Programmable top gear selection


  • Suspension, rear


  • Alarm, backup
  • Alternator, 115 ampere
  • Auxiliary jump start receptacle
  • Batteries, maintenance-free, 12V (4), 190 amp-hour
  • Electrical system, 25 AMP, 24V to 12V converter
  • Lighting system<br>– Backup light (halogen)<br>– Directional signals/hazard warning, (front and rear LED)<br>– Headlights, (halogen) with dimmer<br>– Payload, indicator lights<br>– Operator access courtesy lights<br>– Side profile lights<br>– Stop/tail lights (LED)<br>– Service lights


  • Air conditioning
  • Ashtray and cigarette lighter
  • Coat hook
  • Cup holders (4)
  • Diagnostic connection port, 24V
  • Entertainment Radio Ready<br>– 5 amp converter<br>– Speakers<br>– Antenna<br>– Wiring harness
  • Gauges/indicators<br>– Brake oil temperature gauge<br>– Coolant temperature gauge<br>– Hour meter<br>– Tachometer<br>– Engine overspeed indicator<br>– Fuel level<br>– Speedometer with odometer<br>– Transmission gear indicator
  • Heater/defroster (11 070 kCal/43,930 BTU)
  • Auto temp control
  • Fluid level monitoring
  • Hoist lever
  • Horn, electric
  • Light – dome
  • Light – courtesy
  • Load counter, automatic
  • Advisor display
  • VIMS
  • TPMS
  • Foot rest
  • Mirrors – heated
  • Power port, 24V and 12V (2)
  • ROPS cab, insulated/sound suppressed
  • Cat Comfort Series III<br>– Full air suspension<br>– Retractable 3-point seat belt with shoulder harness
  • Steering wheel, padded, tilt and telescopic
  • Storage compartment
  • Sun visor
  • Throttle lock
  • Window, right side, hinged access/egress
  • Electric left side window control
  • Windshield wiper (intermittent) and washer
  • Tinted, laminated glass


  • Product Link Ready (Level 1)
  • TKPH/TMPH (Tons Kilometer Per Hour/Tons Mile Per Hour)
  • Object Detection (4 cameras, 4 radars)
  • Adaptive economy mode


  • Engine crankcase
  • Driveline
  • Fan and A/C


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


  • Body mounting group
  • Body safety pin (secures body in up position)
  • Body down indicator
  • CD-ROM parts book
  • Center-mounted rims
  • Fuel tank (1136 L/300 gal)
  • Ground level battery disconnect
  • Ground level engine shutdown
  • Ground level grease fittings
  • Reservoirs (separate)<br>– Brake/hoist<br>– Steering<br>– Transmission/torque converter
  • Rims 19.5 × 49
  • Rock ejectors
  • Supplemental steering (automatic)
  • Tie down eyes
  • Tow hooks (front)/Tow pin (rear)
  • Vandalism protection locks
  • Wiggins fast fuel
  • Traction Control System (TCS) (new version)
  • Attachment Zone

Optional Equipment


  • Body heat
  • Body liners
  • Body sideboards
  • Cab precleaner
  • Cat Engine Brake
  • Clustered grease fittings
  • Cold weather packages
  • Fluid fill service center
  • HID lights
  • Mirrors, convex
  • Mirrors, heated
  • Spare rim
  • Visibility package (meets ISO 5006 requirements)
  • Wheel chocks
  • Work Area Vision System (WAVS)