The Cat® 777 is engineered to be the industry’s most efficient 100-ton mechanical truck. With your input, we have designed and manufactured a reliable, durable, and economical truck, offering comfort, confidence, and control to its operators. With an improved access system designed to minimize slips and falls, this truck provides firm footing and stability in less-than-perfect conditions.
Get the job done faster and more efficiently with increased travel speeds and improved traction control.
Utilizing Adaptive Economy mode helps save on fuel consumption while maintaining productivity.
Left-side seat placement allows for easier operation and comfort throughout the day with greater visibility to the work area.
| Engine Model | Cat® C32B |
|---|---|
| Gross Power - SAE J1995:2014 | 1025 hp |
| Net Power - SAE J1349:2011 | 916 hp |
| Bore | 5.7 in |
| Stroke | 6.4 in |
| Displacement | 1959 in³ |
| Peak Torque - Speed | 1200 r/min |
| Engine Speed | 1800 r/min |
| Cylinders | 12 |
| Engine Power - ISO 14396 | 1008 hp |
| Net Torque Rise | Tier 4: 39%. Tier 2: 37% |
| Note (1) | Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard. |
| 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). |
| Note (3) | Available as U.S. EPA Tier 4 Final/EU Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards. |
| Note (4) | Meets China Nonroad Stage III emission standards equivalent to Tier 3 or Tier 2. |
| Target Gross Machine Weight | 363000 lb |
|---|
| Target Payload (100%) | 101.1 ton (US) |
|---|---|
| Top Speed - Loaded | 40.9 mile/h |
| Maximum Working Payload (110%) | 111.2 ton (US) |
| Maximum Allowable Payload (120%)* | 121.3 ton (US) |
| Body Capacity - SAE 2:1 | 83.1 yd³ |
| Note (1) | Capacity with flat floor X Body with liner. |
| Note (2) | * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations. |
| Forward - 1 | 6.6 mile/h |
|---|---|
| Forward - 2 | 9.1 mile/h |
| Forward - 3 | 11.9 mile/h |
| Forward - 4 | 16.6 mile/h |
| Forward - 5 | 22.5 mile/h |
| Forward - 6 | 30.2 mile/h |
| Forward - 7 | 40.9 mile/h |
| Reverse | 7.5 mile/h |
| Note | Maximum travel speeds with standard 27.00R49 (E4) tires. |
| Differential Ratio | 2.736:1 |
|---|---|
| Planetary Ratio | 7.0:1 |
| Total Reduction Ratio | 19.1576:1 |
| Brake Standards | ISO 3450-2011 |
|---|---|
| Brake Surface Area - Front | 6331 in² |
| Brake Surface Area - Rear | 15828 in² |
| 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 |
| Struck | 54.8 yd³ |
|---|---|
| Heaped (SAE 2:1)* | 78.6 yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. |
| Note (2) | *ISO 6483:1980 |
| Front Axle - Empty | 42 % |
|---|---|
| Front Axle - Loaded | 33 % |
| Rear Axle - Empty | 58 % |
| Rear Axle - Loaded | 67 % |
| Rear axle - Oscillation | 5.4 ° |
|---|---|
| Empty Loaded Cylinder Stroke Front | 2.9 in |
| Empty Loaded Cylinder Stroke Rear | 2.5 in |
| Fuel Tank (1) | 300 gal (US) |
|---|---|
| Fuel Tank (2) | 350 gal (US) |
| Cooling System | 61 gal (US) |
| Crankcase | 28.7 gal (US) |
| Differentials | 59.9 gal (US) |
| Final Drive - Each | 20 gal (US) |
| Steering System - Including Tank | 14.1 gal (US) |
| Brake Hoist System | 117 gal (US) |
| Torque Converter - Transmission System | 36.5 gal (US) |
| Standard Tire | 27.00R49 (E4) |
|---|---|
| Note (1) | Productive capabilities of the 777 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. |
| ROPS Standards | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
|---|---|
| FOPS Standards | Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. |
| 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. |
|---|---|
| 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). |
| 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. |
| Turning Diameter - Front | 83 ft |
|---|---|
| Steering Standards | ISO 5010:2007 |
| Steer Angle | 30.5 ° |
| Turning Circle - Clearance Diameter | 93 ft |
| Struck | 56.3 yd³ |
|---|---|
| Heaped (SAE 2:1)* | 83.8 yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. |
| Note (2) | *ISO 6483:1980 |
| SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3) | 116.8 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 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) | 164.6 yd³ |
