777G (Tier 4)

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Overview

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; with G Series trucks, we’re on the right road.

Engine

Units:
Engine Model Cat® C32 ACERT™ Cat® C32 ACERT™ Less
Gross Power - SAE J1995 1025.0 hp 765.0 kW Less
Net Power - SAE J1349 916.0 hp 683.0 kW Less
Net Power - 80/1269/EEC 916.0 hp 683.0 kW Less
Net Power - ISO 9249 916.0 hp 683.0 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
Cylinders 12 12 Less
Engine Power - ISO 14396 1008.0 hp 752.0 kW Less
Engine Speed 1800.0 RPM 1800.0 RPM Less
Net Torque 3899.0 ft-lb 5286.0 N·m Less
Peak Torque Speed 1200.0 RPM 1200.0 RPM Less

Weights - Approximate

Target Gross Machine Weight 363000.0 lb 164654.0 kg Less

Operating Specifications

Nominal Payload Class (100%) 98.4 tons 89.4 tonnes Less
Top Speed - Loaded 41.7 mph 67.1 km/h Less
Body Capacity - SAE 2:1 83.8 yd3 64.1 m3 Less
Maximum Payload (110%) 108.2 tons 98.3 tonnes Less
Nominal Payload (100%) 98.4 tons 89.4 tonnes Less
Not to Exceed Payload (120%)* 118.1 tons 107.2 tonnes Less

Transmission

Forward 1 6.8 mph 10.9 km/h Less
Forward 2 9.2 mph 14.8 km/h Less
Forward 3 12.5 mph 20.1 km/h Less
Forward 4 16.9 mph 27.2 km/h Less
Forward 5 22.9 mph 36.9 km/h Less
Forward 6 30.7 mph 49.4 km/h Less
Forward 7 41.7 mph 67.1 km/h Less
Reverse 7.7 mph 12.4 km/h Less

Final Drives

Differential Ratio 2.736:1 2.736:1 Less
Planetary Ratio 7.0:1 7.0:1 Less
Total Reduction Ratio 19.1576:1 19.1576:1 Less

Brakes

Brake Standards ISO 3450:1996 ISO 3450:1996 Less
Brake Surface Area - Front 6331.0 in2 40846.0 cm2 Less
Brake Surface Area - Rear 15828.0 in2 102116.0 cm2 Less

Body Hoists

Pump Flow - High Idle 120.9 gal/min 458.0 L/min Less
Relief Valve Setting - Raise 2750.0 psi 18950.0 kPa Less
Relief Valve Setting - Lower 500.0 psi 3450.0 kPa Less
Body Raise Time - High Idle 15.0 Seconds 15.0 Seconds Less
Body Lower Time - Float 13.0 Seconds 13.0 Seconds Less
Body Lower Time - High Idle 13.0 Seconds 13.0 Seconds Less

Capacity - Dual Slope - 100% Fill Factor

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

Weight Distributions - Approximate

Front Axle - Empty 46.0 % 46.0 % Less
Front Axle - Loaded 33.0 % 33.0 % Less
Rear Axle - Empty 54.0 % 54.0 % Less
Rear Axle - Loaded 67.0 % 67.0 % Less

Suspension

Rear Axle Oscillation 5.4 Degrees 5.4 Degrees Less
Empty Loaded Cylinder Stroke Front 2.9 in 74.7 mm Less
Empty Loaded Cylinder Stroke Rear 2.5 in 66.0 mm Less

Service Refill Capacities

Fuel Tank 300.0 gal 1136.0 L Less
Cooling System 63.4 gal 240.0 L Less
Steering System (Includes Tank) 14.1 gal 53.6 L Less
Brake Hoist System 85.0 gal 322.0 L Less
Brake Hoist System (Includes Tank) 117.0 gal 444.0 L Less
Crankcase 28.7 gal 109.0 L Less
Differentials 59.9 gal 227.0 L Less
Final Drives (each) 20.0 gal 76.0 L Less
Fuel Tank 350.0 gal 1325.0 L Less
Torque Converter/Transmission System 36.5 gal 138.5 L Less

Tires

Standard Tire 27.00R49 (E4) 27.00R49 (E4) Less

ROPS

ROPS/FOPS Standards Standards Standards Less

Sound

Sound Standards Standards Standards Less

Steering

Turning Diameter - Front 83.0 ft 25.3 m Less
Steering Standards SAE J1511 FEB94 ISO 5010:1992 SAE J1511 FEB94 ISO 5010:1992 Less
Steer Angle 30.5 Degrees 30.5 Degrees Less
Turning Circle Clearance Diameter 93.0 ft 28.4 m Less

Capacity - X Body - 100% Fill Factor

Heaped 2:1 (SAE) 83.8 yd3 64.1 m3 Less
Struck 56.3 yd3 43.1 m3 Less

Capacity - Coal Bodies - 100% Fill Factor

SAE 2:1 for use with material densities less than 950 kg/m3 (1,600 lb/yd3) 165.0 yd3 126.0 m3 Less
SAE 2:1 for use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) 139.0 yd3 106.0 m3 Less
SAE 2:1 for use with material densities of 1160 kg/m3 (1,950 lb/yd3) 116.0 yd3 89.0 m3 Less
SAE 2:1 for use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3) 144.0 yd3 110.0 m3 Less

Safety

Connecting people and equipment safely


Operator Work Environment

Productivity from comfort, confidence, control


Environmental Responsibility

The benefits are far reaching and economical


Cutting Your Fuel Costs

A strategy for lowering your cost per ton


Performance

Efficient application of power and technology


Long Term Value and Durability

Proven components for reliable performance


Body Options

No matter your material type


XQ Package

For your sound sensitive environments


Mud Protection Package

For sticky, muddy environments


Service Convenience

Simple, more cost-effective solutions


777G (Tier 4) Standard Equipment

POWER TRAIN
  • 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: - Brake wear indicator - Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes) - Brake release motor (towing) - Manual retarder (utilizes oil cooled, multiple disc brakes) - Oil-cooled, multiple disc (front/rear) - Parking - Secondary - Service
  • Transmission: - Auto neutral idle - APECS Software - ECPC
  • Part Throttle Shifting: - 7 speed automatic powershift with Torque Shift Management electronic clutch pressure control - Body up shift inhibitor - 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, rear

ELECTRICAL
  • 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: - Backup light (halogen) - Directional signals/hazard warning, (front and rear LED) - Headlights, (halogen) with dimmer - Payload, indicator lights - Operator access courtesy lights - Side profile lights - Stop/tail lights (LED) - Service lights

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: - 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)
  • 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: - Full air suspension - 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

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

GUARDS
  • Engine crankcase
  • Driveline
  • Fan and A/C

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

OTHER STANDARD EQUIPMENT
  • 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): - Brake/hoist - Steering - 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 (new version)
  • Attachment Zone

777G (Tier 4) Optional Equipment

Body heat

Body liners

Body side boards

Cab precleaner

Cat Engine Brake

Clustered grease fittings

Cold weather packages

Extended Life Brakes

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)

A Commitment to the Mining Industry

As the demand for commodities grows, mining companies need a partner to support them in their efforts. Caterpillar is committed to being that partner.

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Mining Financial Services

Cat Financial is the single best resource for all your international mining finance needs, with capabilities to offer everything from leasing and general financing to project and structured financing.

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