| Nominal Payload Class (100%) |
61 ton (US) (55.3 t) |
| Engine Model |
Cat® C27 |
| Top Speed – Loaded |
41.6 mile/h (66.9 km/h) |
| Rated Engine Speed |
1800 r/min (1800 r/min) |
| Gross Power – SAE J1995 |
775 HP (578 kW) |
| Net Power – SAE J1349 |
719 HP (536 kW) |
| Net Power – ISO 9249 |
762 HP (568 kW) |
| Net Power – 80/1269/EEC |
762 HP (568 kW) |
| Bore |
5.4 in (137 mm) |
| Stroke |
6 in (152 mm) |
| Displacement |
1648 in³ (27 l) |
| Struck |
35.13 yd³ (26.86 m³) |
| Struck |
34.33 yd³ (26.25 m³) |
| Front Axle – Empty |
53 % (53 %) |
| Front Axle – Loaded |
35 % (35 %) |
| Rear Axle – Empty |
47 % (47 %) |
| Rear Axle – Loaded |
65 % (65 %) |
| Forward – 1 |
6.6 mile/h (10.6 km/h) |
| Forward – 2 |
9.3 mile/h (15 km/h) |
| Forward – 3 |
12.6 mile/h (20.3 km/h) |
| Forward – 4 |
16.8 mile/h (27 km/h) |
| Forward – 5 |
22.8 mile/h (36.7 km/h) |
| Forward – 6 |
30.7 mile/h (49.4 km/h) |
| Forward – 7 |
41.6 mile/h (66.9 km/h) |
| Reverse |
8.7 mile/h (14 km/h) |
| Differential Ratio |
3.64:1 |
| Planetary Ratio |
4.80:1 |
| Total Reduction Ratio |
17.49:1 |
| Brake Surface – Front |
257 in² (655 cm²) |
| Brake Surface – Rear |
9497 in² (61269 cm²) |
| Brake Standards |
ISO 3450:2011 |
| Fuel Tank |
210 gal (US) (795 l) |
| Cooling System |
45 gal (US) (171 l) |
| Differential – Final Drives |
38 gal (US) (145 l) |
| Steering Tank |
9.5 gal (US) (36 l) |
| Steering System – Including Tank |
14 gal (US) (54 l) |
| Pump Flow – High Idle |
118 gal/min (448 l/min) |
| Relief Valve Setting – Raise |
2502 psi (17250 kPa) |
| Relief Valve Setting – Lower |
500 psi (3450 kPa) |
| Body Raise Time – High Idle |
10 s (10 s) |
| Body Lower Time – Float |
14 s (14 s) |
| Body Power Down – High Idle |
14 s (14 s) |
| Rear axle – Oscillation |
8.1 ° (8.1 °) |
| Note |
Maximum travel speeds with standard 24.00R35 (E4) tires. |
| Note (1) |
Productive capabilities of the 773G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. |
| Note (1) |
Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. |
| Torque Converter – Transmission System – HRC |
18 gal (US) (70 l) |
| Crankcase |
24 gal (US) (90 l) |
| Brake Hoist System |
85 gal (US) (322 l) |
| Brake/Hoist Hydraulic Tank |
46.5 gal (US) (176 l) |
| FOPS Standards |
Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. |
| Note (2) |
Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. |
| Peak Torque – Speed |
1200 r/min (1200 r/min) |
| ROPS Standards |
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
| 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 86 dB(A). |
| Sound Standards (1) |
The operator Equivalent Sound Pressure Level (Leq) is 76 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. |
| Turning Diameter – Front |
77.1 ft (23.5 m) |
| Engine Power – ISO 14396 |
764 HP (570 kW) |
| Net Torque |
3148 ft-lb (4269 N·m) |
| Target Payload (100%) |
61 ton (US) (55.3 t) |
| Body Capacity – SAE 2:1 |
46.8 yd³ (35.8 m³) |
| Empty Loaded Cylinder Stroke Front |
9.2 in (234 mm) |
| Empty Loaded Cylinder Stroke Rear |
5.8 in (149 mm) |
| 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). |
| Maximum Gross Vehicle Weight |
226501 lb (102739 kg) |
| Note (2) |
*?Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
| Maximum Working Payload (110%) |
67.1 ton (US) (60.8 t) |
| Note (1) |
Contact your local Cat dealer for body recommendation. |
| Heaped (SAE 2:1)* |
46.41 yd³ (35.49 m³) |
| Note (3) |
No engine derating required up to 3048 m (10,000 ft) for Tier 4/Stage V. |
| Note (2) |
* ISO 6483:1980. |
| Note (1) |
Capacity with Dual Slope body – no liner. |
| Note (1) |
Contact your local Cat dealer for body recommendation. |
| Note (2) |
* ISO 6483:1980. |
| Heaped (SAE 2:1)* |
46.76 yd³ (35.75 m³) |
| Standard Tire |
24.00R35 (E4) |
| Steering Standards |
SAE J1511 FEB94 ISO 5010:1992 |
| Steer Angle |
31 ° (31 °) |
| Turning Circle – Clearance Diameter |
85.6 ft (26.1 m) |
| Maximum Allowable Payload (120%)* |
73.2 ton (US) (66.4 t) |
