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777G

Off-Highway Trucks

G Series represents an 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.

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Engine Model Cat C32
Gross Power - SAE J1995 765 kW
Net Power - SAE J1349 683 kW
Net Power - 80/1269/EEC 683 kW
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777G
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OVERVIEW

Redefining performance and comfort

FEATURES & BENEFITS

BUILT IN SAFETY FEATURES

A FOCUS ON PERSONNELThe 777G is designed to minimize slips and falls, providing firm footing and stability.Ground level daily check pointsLow-effort, integrated access sy... Read more

DESIGNED FOR THE OPERATORS

COMFORTThe comfort of your crew will dictate their productivity and awareness on the job.Easy, low-effort access to the cabErgonomic, intuitive controlsLeft side power wi... Read more

REDUCE ENVIRONMENTAL IMPACT

ENVIRONMENTAL RESPONSIBILITYAs you progress towards a more sustainable business model, the Cat 777G can help.FUEL AND EMISSIONSThere are substantial fuel saving strategie... Read more

DO MORE WITH LESS FUEL

CUTTING YOUR FUEL COSTSThe 777G introduces several key fuel conservation features:Auto Neutral Idle – as the 777G idles in a forward gear, the transmission will automatic... Read more

PERFORMANCE AND PRODUCTIVITY

PERFORMANCEThe 777G will haul your material faster and more efficiently with increases in torque, new transmission controls, and higher travel speeds.A 7% increase in tor... Read more

LONG TERM VALUE AND DURABILITY

PROVEN COMPONENTS FOR RELIABLE PERFORMANCEAt Caterpillar, we know keeping your trucks running is critical to your business, so that’s why we use industry leading technolo... Read more

HEAVEY DUTY CONSTRUCTION

BODY OPTIONSDUAL SLOPE BODYIf your haul profile includes steep slopes, the Dual Slope body offers excellent material retention.The Dual Slope has a heaped capacity of 60.... Read more

PURPOSE BUILT SPECIALTY CAT ATTACHMENTS

SPECIALTY CAT ATTACHMENTSXQ PACKAGE – FOR YOUR SOUND SENSITIVE ENVIRONMENTSThe XQ package reduces the 777G’s spectator noise level to 112 dB(A) using both the ISO 6393:20... Read more

TOP TIER SERVICE AND SUPPORT

SERVICE CENTERS -FLUID FILLYou will save both time and money using the optional fluid fill service center.Fill and extraction for all fluids in one locationKeypad tells e... Read more

SPECIFICATIONS FOR 777G

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Engine
Engine Model Cat C32
Gross Power - SAE J1995 765 kW
Net Power - SAE J1349 683 kW
Net Power - 80/1269/EEC 683 kW
Net Power - ISO 9249 683 kW
Bore 145 mm
Stroke 162 mm
Displacement 32.1 l
Peak Torque - Speed 1200 r/min
Note (3) No engine derating required up to 2286 m (7,500 ft) for Tier 4/Stage V.
Engine Speed 1800 r/min
Note (2) 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).
Net Torque 5286 N·m
Note (1) Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Engine Power - ISO 14396 752 kW
Cylinders 12
Note (4) Meets EU Stage V emission standards.
Weights - Approximate
Target Gross Machine Weight 164654 kg
Operating Specifications
Nominal Payload Class (100%) 89.4 t
Top Speed - Loaded 67.1 km/h
Note (1) Capacity with flat floor X Body with liner.
Maximum Working Payload (110%) 98.3 t
Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.
Body Capacity - SAE 2:1 64.1 m³
Maximum Allowable Payload (120%)* 107.2 t
Target Payload (100%) 89.4 t
Transmission
Forward - 1 10.9 km/h
Forward - 2 14.8 km/h
Forward - 3 20.1 km/h
Forward - 4 27.2 km/h
Forward - 5 36.9 km/h
Forward - 6 49.4 km/h
Forward - 7 67.1 km/h
Reverse 12.4 km/h
Note Maximum travel speeds with standard 27.00R49 (E4) tires.
Final Drives
Differential Ratio 2.736:1
Planetary Ratio 7.0:1
Total Reduction Ratio 19.1576:1
Brakes
Brake Standards ISO 3450-2011
Brake Surface Area - Front 40846 cm²
Brake Surface Area - Rear 102116 cm²
Body Hoists
Pump Flow - High Idle 458 l/min
Relief Valve Setting - Raise 18950 kPa
Relief Valve Setting - Lower 3450 kPa
Body Raise Time - High Idle 15 s
Body Lower Time - Float 13 s
Body Lower Time - High Idle 13 s
Capacity - Dual Slope - 100% Fill Factor
Struck 41.9 m³
Heaped 2:1 (SAE) 60.2 m³
Heaped (SAE 2:1)* 60.2 m³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980
Weight Distributions - Approximate
Front Axle - Empty 46 %
Front Axle - Loaded 33 %
Rear Axle - Empty 54 %
Rear Axle - Loaded 67 %
Suspension
Rear axle - Oscillation 5.4 °
Empty Loaded Cylinder Stroke Front 74.7 mm
Empty Loaded Cylinder Stroke Rear 66 mm
Service Refill Capacities
Fuel Tank (1) 1136 l
Cooling System 240 l
Steering System - Including Tank 53.6 l
Torque Converter - Transmission System 138.5 l
Differentials 227 l
Brake Hoist System - Includes Tank 444 l
Brake Hoist System 322 l
Final Drive - Each 76 l
Crankcase 109 l
Fuel Tank (2) 1325 l
Tires
Note (1) Productive capabilities of the 777G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Standard Tire 27.00R49 (E4)
ROPS
FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Sound
Sound Standards (3) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Sound Standards (2) The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 83 dB(A) for Tier 4 trucks.
Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
Steering
Turning Diameter - Front 25.3 m
Steering Standards ISO 5010:2007
Steer Angle 30.5 °
Turning Circle - Clearance Diameter 28.4 m
Capacity - X Body - 100% Fill Factor
Heaped 2:1 (SAE) 64.1 m³
Struck 43.1 m³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980
Heaped (SAE 2:1)* 64.1 m³
Capacity - Coal Bodies - 100% Fill Factor
SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3) 110 m³
SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3) 126 m³
SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) 106 m³
SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) 89 m³

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