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 772 (07) Off-Highway Truck |
 772G Off-Highway Truck Bare Chassis |
 775 Off-Highway Truck |
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Operating Specifications |
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| Nominal Payload Class (100%) | 51.6 ton (US) | - | 70.5 ton (US) |
| Top Speed - Loaded | 49.2 mile/h | - | 41.6 mile/h |
| Maximum Payload Class (110%) | 56.7 ton (US) | - | - |
| Body Capacity - SAE 2:1 | 40.8 yd³ | - | 55.23 yd³ |
| Target Payload Capacity | 51.6 ton (US) | - | - |
| Not to Exceed Payload (120%) | 61.9 ton (US) | - | - |
| Body Capacity (SAE 2:1)** | 40.8 yd³ | - | - |
| Nominal Water Tank Capacity | - | 11000 gal (US) | - |
| Maximum Working Payload (110%) | - | - | 77.5 ton (US) |
| Target Payload (100%) | - | - | 70.5 ton (US) |
| Maximum Allowable Payload (120%)* | - | - | 84.6 ton (US) |
| Note (2) | - | - | * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
| Note (1) | - | - | Capacity with Dual Slope body – no liner. |
Engine |
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| Engine Model | Cat® C18 | Cat® C18 | Cat® C27 |
| Rated Engine Speed | 1700 r/min | 1700 r/min | 1800 r/min |
| Gross Power - SAE J1995:2014 | 605 hp | - | 825 hp |
| Net Power - SAE J1349:2011 | 550 hp | - | 768 hp |
| Net Power - ISO 9249 | 550 hp | - | 775 hp |
| Number of Cylinders | 6 | 6 | - |
| Bore | 5.7 in | 5.7 in | 5.4 in |
| Stroke | 7.2 in | 7.2 in | 6 in |
| Displacement | 1105 in³ | 1105 in³ | 1648 in³ |
| Net Torque - SAE J1349 | 2221 ft-lb | - | - |
| Engine Power - ISO 14396 | 598 hp | - | 812 hp |
| Gross Power - SAE J1995 | - | 605 hp | - |
| Rated Net Power - SAE J1349 | - | 550 hp | - |
| Note | - | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | - |
| Net Power - 80/1269/EEC | - | - | 775 hp |
| 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 | - | - | 3148 ft-lb |
| Peak Torque - Speed | - | - | 1200 r/min |
| Note (1) | - | - | Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. |
| Note (3) | - | - | No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. |
| Emissions | - | - | Meets EU Stage V emission standards. |
Weights - Approximate |
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| Target Gross Machine Operating Weight | 181000 lb | - | - |
| Chassis Weight | 59223 lb | - | - |
| Body Weight | 17306 lb | - | - |
| Target Gross Machine Weight | 181000 lb | - | - |
| Maximum Gross Vehicle Weight | - | - | 246503 lb |
Weight Distributions - Approximate |
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| Front Axle - Empty | 51.4 % | - | 50 % |
| Front Axle - Loaded | 34.2 % | - | 34 % |
| Rear Axle - Empty | 48.6 % | - | 50 % |
| Rear Axle - Loaded | 65.8 % | - | 66 % |
Transmission |
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| Forward - 1 | 8 mile/h | 8 mile/h | 6.6 mile/h |
| Forward - 2 | 10.9 mile/h | 10.9 mile/h | 9.3 mile/h |
| Forward - 3 | 14.8 mile/h | 14.8 mile/h | 12.6 mile/h |
| Forward - 4 | 19.8 mile/h | 19.8 mile/h | 16.8 mile/h |
| Forward - 5 | 26.9 mile/h | 26.9 mile/h | 22.8 mile/h |
| Forward - 6 | 36.2 mile/h | 36.2 mile/h | 30.7 mile/h |
| Forward - 7 | 49.2 mile/h | 49.2 mile/h | 41.6 mile/h |
| Reverse | 10.4 mile/h | 10.4 mile/h | 8.7 mile/h |
| Note | - | Maximum travel speeds with standard 21.00R33 (E4) tires. | Maximum travel speeds with standard 24.00R35 (E4) tires. |
Final Drives |
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| Differential Ratio | 2.74:1 | - | 3.64:1 |
| Planetary Ratio | 4.80:1 | - | 4.80:1 |
| Total Reduction Ratio | 13.14:1 | - | 17.49:1 |
Brakes |
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| Brake Surface - Front | 216 in² | 216 in² | 257 in² |
| Brake Surface - Rear | 7794 in² | 7794 in² | 9497 in² |
| Brake Standards | ISO 3450:2011 | - | ISO 3450:2011 |
Service Refill Capacities |
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| Fuel Tank | 140 gal (US) | - | 210 gal (US) |
| Cooling System | 33 gal (US) | 33 gal (US) | 45 gal (US) |
| Differential - Final Drives | 47 gal (US) | 47 gal (US) | 38 gal (US) |
| Steering Tank | 14.5 gal (US) | - | 9.5 gal (US) |
| Steering System - Including Tank | 23 gal (US) | 60 gal (US) | 14 gal (US) |
| Torque Converter - Transmission System | 17 gal (US) | 17 gal (US) | - |
| Brake Hoist System | 60 gal (US) | 60 gal (US) | 85 gal (US) |
| DEF Tank | 6 gal (US) | - | - |
| Crankcase | 17 gal (US) | 17 gal (US) | 24 gal (US) |
| Brake/Hoist Hydraulic Tank | 38 gal (US) | 38 gal (US) | 46.5 gal (US) |
| Fuel Tank Capacity | - | 140 gal (US) | - |
| Torque Converter - Transmission System - LRC | - | - | 16 gal (US) |
| Torque Converter - Transmission System - HRC | - | - | 18 gal (US) |
Body Hoists |
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| Pump Flow - High Idle | 112 gal/min | - | 118 gal/min |
| Relief Valve Setting - Raise | 2750 psi | - | 2502 psi |
| Relief Valve Setting - Lower | 500 psi | - | 500 psi |
| Body Raise Time - High Idle | 8 s | - | 10 s |
| Body Lower Time - Float | 10 s | - | 14 s |
| Body Power Down - High Idle | 10 s | - | 14 s |
Suspension |
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| Rear axle - Oscillation | 8.9 ° | - | - |
| Empty Loaded Cylinder Stroke Front | 9.2 in | - | 9.2 in |
| Empty Loaded Cylinder Stroke Rear | 5.8 in | - | 5.8 in |
| Rear Axle - Oscillation | - | - | 8.1° |
Capacity - Dual Slope - 100% Fill Factor |
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| Heaped 2:1 (SAE) | 40.8 yd³ | - | - |
| Struck | 31.3 yd³ | - | 42.7 yd³ |
| Heaped (SAE 2:1)* | - | - | 55.5 yd³ |
| Note (1) | - | - | Contact your local Cat dealer for body recommendation. |
| Note (2) | - | - | *ISO 6483:1980 |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | 31.3 yd³ | - | 42.2 yd³ |
| Heaped 2:1 (SAE) | 40.9 yd³ | - | - |
| Heaped (SAE 2:1)* | - | - | 55.2 yd³ |
| Note (1) | - | - | Contact your local Cat dealer for body recommendation. |
| Note (2) | - | - | *ISO 6483:1980 |
ROPS |
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| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. | - | Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. |
| ROPS Standards | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | - | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
| Tractor ROPS | - | 77430 lb | - |
Sound |
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| Sound Standards (3) | Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. | - | 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) | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). | - | 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) | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. | - | 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 t |
Steering |
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| Turning Diameter - Front | 57.7 ft | - | 77.1 ft |
| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | ISO 5010:2007 |
| Steer Angle | 40.5 ° | 31 ° | 31 ° |
| Turning Circle - Clearance Diameter | 66.6 ft | 66.6 ft | 85.6 ft |
| Turning Diameter | - | 57.7 ft | - |
Dimensions |
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| Height - Top of ROPS | 12.8 ft | - | - |
| Inside Body Depth - Maximum | 5.7 ft | - | - |
| Overall Body Length | 26.8 ft | - | - |
| Inside Body Length | 19 ft | - | - |
| Overall Length | 28.9 ft | - | - |
| Wheel Base | 13 ft | - | - |
| Rear Axle - Tail | 9.5 ft | - | - |
| Ground Clearance | 1.6 ft | - | - |
| Dump Clearance | 1.5 ft | - | - |
| Loading Height - Empty | 11.6 ft | - | - |
| Overall Height - Body Raised | 27.1 ft | - | - |
| Operating Width | 15.7 ft | - | - |
| Centerline Front Tire Width | 10.4 ft | - | - |
| Engine Guard Clearance | 2 ft | - | - |
| Outside Body Width | 12.9 ft | - | - |
| Inside Body Width | 11.9 ft | - | - |
| Front Canopy Height | 13.7 ft | - | - |
| Rear Axle - Clearance | 1.9 ft | - | - |
| Centerline of Rear Dual Tire Width | 8.7 ft | - | - |
| Overall Tire Width | 12.9 ft | - | - |
Tires |
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| Standard Tire | 21.00R33 (E4) | - | 24.00R35 (E4) |
| Note (2) | - | - | Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. |
| Note (1) | - | - | Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. |
Weights |
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| LRC Bare Chassis Weight without Hoist | - | 58414 lb | - |
| LRC Bare Chassis Weight with Hoist | - | 59223 lb | - |
| LRC Gross Vehicle Weight (Target) with Hoist | - | 180999 lb | - |
| LRC Gross Vehicle Weight (Target) without Hoist | - | 180999 lb | - |
| HRC Bare Chassis Weight without Hoist | - | 59567 lb | - |
| HRC Bare Chassis Weight with Hoist | - | 60376 lb | - |
| HRC Gross Vehicle Weight (Target) with Hoist | - | 180999 lb | - |
| HRC Gross Vehicle Weight (Target) without Hoist | - | 180999 lb | - |
| Note | - | LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. | - |
Sustainability |
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| Recyclability | - | - | 98% |
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