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773G Off-Highway Truck
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Product Specs
Engine
| Engine Model | Cat® C27 |
| Rated Engine Speed | 1800 r/min |
| Gross Power - SAE J1995 | 775 HP |
| Net Power - SAE J1349 | 719 HP |
| Net Power - ISO 9249 | 762 HP |
| Net Power - 80/1269/EEC | 762 HP |
| Bore | 5.4 in |
| Stroke | 6 in |
| Displacement | 1648 in³ |
| Note (1) | Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. |
| Engine Power - ISO 14396 | 764 HP |
| Peak Torque - Speed | 1200 r/min |
| Net Torque | 3148 ft-lb |
| Note (3) | No engine derating required up to 3048 m (10,000 ft) for Tier 4/Stage V. |
| 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). |
Weights - Approximate
| Maximum Gross Vehicle Weight | 226501 lb |
Operating Specifications
| Nominal Payload Class (100%) | 61 ton (US) |
| Top Speed - Loaded | 41.6 mile/h |
| 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) |
| Note (1) | Capacity with Dual Slope body – no liner. |
| Body Capacity - SAE 2:1 | 46.8 yd³ |
| Target Payload (100%) | 61 ton (US) |
| Maximum Allowable Payload (120%)* | 73.2 ton (US) |
Transmission
| Forward - 1 | 6.6 mile/h |
| Forward - 2 | 9.3 mile/h |
| Forward - 3 | 12.6 mile/h |
| Forward - 4 | 16.8 mile/h |
| Forward - 5 | 22.8 mile/h |
| Forward - 6 | 30.7 mile/h |
| Forward - 7 | 41.6 mile/h |
| Reverse | 8.7 mile/h |
| Note | Maximum travel speeds with standard 24.00R35 (E4) tires. |
Final Drives
| Differential Ratio | 3.64:1 |
| Planetary Ratio | 4.80:1 |
| Total Reduction Ratio | 17.49:1 |
Brakes
| Brake Surface - Front | 257 in² |
| Brake Surface - Rear | 9497 in² |
| Brake Standards | ISO 3450:2011 |
Body Hoists
| Pump Flow - High Idle | 118 gal/min |
| Relief Valve Setting - Raise | 2502 psi |
| Relief Valve Setting - Lower | 500 psi |
| Body Raise Time - High Idle | 10 s |
| Body Lower Time - Float | 14 s |
| Body Power Down - High Idle | 14 s |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 35.13 yd³ |
| Heaped (SAE 2:1)* | 46.76 yd³ |
| Note (2) | * ISO 6483:1980. |
| Note (1) | Contact your local Cat dealer for body recommendation. |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 34.33 yd³ |
| Note (2) | * ISO 6483:1980. |
| Heaped (SAE 2:1)* | 46.41 yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. |
Weight Distributions - Approximate
| Front Axle - Empty | 53 % |
| Front Axle - Loaded | 35 % |
| Rear Axle - Empty | 47 % |
| Rear Axle - Loaded | 65 % |
Suspension
| Rear axle - Oscillation | 8.1 ° |
| Empty Loaded Cylinder Stroke Rear | 5.8 in |
| Empty Loaded Cylinder Stroke Front | 9.2 in |
Service Refill Capacities
| Fuel Tank | 210 gal (US) |
| Cooling System | 45 gal (US) |
| Differential - Final Drives | 38 gal (US) |
| Steering Tank | 9.5 gal (US) |
| Steering System - Including Tank | 14 gal (US) |
| Torque Converter - Transmission System - HRC | 18 gal (US) |
| Crankcase | 24 gal (US) |
| Brake Hoist System | 85 gal (US) |
| Brake/Hoist Hydraulic Tank | 46.5 gal (US) |
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 (2) | Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. |
| Standard Tire | 24.00R35 (E4) |
ROPS
| FOPS Standards | Falling Object 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 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. |
Steering
| Turning Diameter - Front | 77.1 ft |
| Steering Standards | SAE J1511 FEB94 ISO 5010:1992 |
| Steer Angle | 31 ° |
| Turning Circle - Clearance Diameter | 85.6 ft |