New CAT Equipment
777G Off-Highway Truck
Get a Quote
Product Specs
- Engine
- Weights - Approximate
- Operating Specifications
- Transmission
- Final Drives
- Brakes
- Body Hoists
- Capacity - Dual Slope - 100% Fill Factor
- Weight Distributions - Approximate
- Suspension
- Service Refill Capacities
- Tires
- ROPS
- Sound
- Steering
- Capacity - X Body - 100% Fill Factor
- Capacity - Coal Bodies - 100% Fill Factor
Engine
| Engine Model | Cat C32 |
| Gross Power - SAE J1995 | 1025 HP |
| Net Power - SAE J1349 | 916 HP |
| Net Power - 80/1269/EEC | 916 HP |
| Net Power - ISO 9249 | 916 HP |
| Bore | 5.7 in |
| Stroke | 6.4 in |
| Displacement | 1959 in³ |
| 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 | 3899 ft-lb |
| Note (1) | Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard. |
| Engine Power - ISO 14396 | 1008 HP |
| Cylinders | 12 |
| Note (4) | Meets EU Stage V emission standards. |
Weights - Approximate
| Target Gross Machine Weight | 363000 lb |
Operating Specifications
| Nominal Payload Class (100%) | 98.4 ton (US) |
| Top Speed - Loaded | 41.7 mile/h |
| Note (1) | Capacity with flat floor X Body with liner. |
| Maximum Working Payload (110%) | 108.2 ton (US) |
| Note (2) | * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations. |
| Body Capacity - SAE 2:1 | 83.8 yd³ |
| Maximum Allowable Payload (120%)* | 118.1 ton (US) |
| Target Payload (100%) | 98.4 ton (US) |
Transmission
| Forward - 1 | 6.8 mile/h |
| Forward - 2 | 9.2 mile/h |
| Forward - 3 | 12.5 mile/h |
| Forward - 4 | 16.9 mile/h |
| Forward - 5 | 22.9 mile/h |
| Forward - 6 | 30.7 mile/h |
| Forward - 7 | 41.7 mile/h |
| Reverse | 7.7 mile/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 | 6331 in² |
| Brake Surface Area - Rear | 15828 in² |
Body Hoists
| Pump Flow - High Idle | 120.9 gal/min |
| Relief Valve Setting - Raise | 2750 psi |
| Relief Valve Setting - Lower | 500 psi |
| 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 | 54.8 yd³ |
| Heaped 2:1 (SAE) | 78.8 yd³ |
| Heaped (SAE 2:1)* | 78.8 yd³ |
| 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 | 2.9 in |
| Empty Loaded Cylinder Stroke Rear | 2.5 in |
Service Refill Capacities
| Fuel Tank (1) | 300 gal (US) |
| Cooling System | 63.4 gal (US) |
| Steering System - Including Tank | 14.1 gal (US) |
| Torque Converter - Transmission System | 36.5 gal (US) |
| Differentials | 59.9 gal (US) |
| Brake Hoist System - Includes Tank | 117 gal (US) |
| Brake Hoist System | 85 gal (US) |
| Final Drive - Each | 20 gal (US) |
| Crankcase | 28.7 gal (US) |
| Fuel Tank (2) | 350 gal (US) |
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 | 83 ft |
| Steering Standards | ISO 5010:2007 |
| Steer Angle | 30.5 ° |
| Turning Circle - Clearance Diameter | 93 ft |
Capacity - X Body - 100% Fill Factor
| Heaped 2:1 (SAE) | 83.8 yd³ |
| Struck | 56.3 yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. |
| Note (2) | *ISO 6483:1980 |
| Heaped (SAE 2:1)* | 83.8 yd³ |
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) | 144 yd³ |
| SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3) | 165 yd³ |
| SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3) | 139 yd³ |
| SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) | 116 yd³ |