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 772G Off-Highway Truck |
 789 Next Generation |
 772 (07) Off-Highway Truck |
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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. | - | - |
ROPS |
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| Tractor ROPS | 77430 lb | - | - |
| FOPS Standards | - | - | FOPS (Falling Objects Protective Structure) 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. |
Operating Specifications |
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| Nominal Water Tank Capacity | 11000 gal (US) | - | - |
| Nominal Payload Class (100%) | - | - | 51.6 ton (US) |
| Top Speed - Loaded | - | - | 49.2 mile/h |
| Maximum Payload Class (110%) | - | - | 56.7 ton (US) |
| Body Capacity - SAE 2:1 | - | - | 40.8 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 |
Engine |
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| Engine Model | Cat® C18 | Cat® 3516E | Cat® C18 |
| Rated Engine Speed | 1700 r/min | - | 1700 r/min |
| Gross Power - SAE J1995 | 605 HP | - | 605 HP |
| Rated Net Power - SAE J1349 | 550 HP | - | - |
| Number of Cylinders | 6 | - | 6 |
| Bore | 5.7 in | 6.7 in | 5.7 in |
| Stroke | 7.2 in | 8.5 in | 7.2 in |
| Displacement | 1105 in³ | 4766 in³ | 1105 in³ |
| Note | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | - | - |
| Gross Power - SAE J1995:2014 | - | 2100 HP | - |
| Net Power - SAE J1349:2011 | - | 1975 HP | - |
| Rated Speed | - | 1650 r/min | - |
| Emissions Rating | - | Fuel Optimized | - |
| Note (1) | - | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | - |
| Note (2) | - | Optional 1417 kW / 1,900 HP engine rating. | - |
| Note (3) | - | U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. | - |
| Net Power - SAE J1349 | - | - | 550 HP |
| Net Power - ISO 9249 | - | - | 550 HP |
| Net Torque - SAE J1349 | - | - | 2221 ft-lb |
| Engine Power - ISO 14396 | - | - | 598 HP |
Transmission |
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| Forward - 1 | 8 mile/h | 7.8 mile/h | 8 mile/h |
| Forward - 2 | 10.9 mile/h | 10.6 mile/h | 10.9 mile/h |
| Forward - 3 | 14.8 mile/h | 14.4 mile/h | 14.8 mile/h |
| Forward - 4 | 19.8 mile/h | 19.4 mile/h | 19.8 mile/h |
| Forward - 5 | 26.9 mile/h | 26.3 mile/h | 26.9 mile/h |
| Forward - 6 | 36.2 mile/h | 35.5 mile/h | 36.2 mile/h |
| Forward - 7 | 49.2 mile/h | - | 49.2 mile/h |
| Reverse | 10.4 mile/h | 7.3 mile/h | 10.4 mile/h |
| Note | Maximum travel speeds with standard 21.00R33 (E4) tires. | - | - |
| Top Speed - Loaded | - | 35.5 mile/h | - |
Brakes |
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| Brake Surface - Front | 216 in² | - | 216 in² |
| Brake Surface - Rear | 7794 in² | - | 7794 in² |
| Brake Standards | - | - | ISO 3450:1996 |
Service Refill Capacities |
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| Fuel Tank Capacity | 140 gal (US) | - | - |
| Cooling System | 33 gal (US) | 180 gal (US) | 33 gal (US) |
| Crankcase | 17 gal (US) | 77 gal (US) | 17 gal (US) |
| Brake/Hoist Hydraulic Tank | 38 gal (US) | - | 38 gal (US) |
| Brake Hoist System | 60 gal (US) | 169 gal (US) | 60 gal (US) |
| Differential - Final Drives | 47 gal (US) | - | 47 gal (US) |
| Steering System - Including Tank | 60 gal (US) | - | 23 gal (US) |
| Torque Converter - Transmission System | 17 gal (US) | - | 17 gal (US) |
| Fuel Tank - Standard | - | 550 gal (US) | - |
| Fuel Tank | - | 1000 gal (US) | 140 gal (US) |
| Fuel Tank (Tier 4) | - | 55 gal (US) | - |
| Diesel Exhaust Fluid Tank | - | 62 gal (US) | - |
| Front Wheels - Each | - | 5.8 gal (US) | - |
| Differentials | - | 161 gal (US) | - |
| Steering System | - | 42 gal (US) | - |
| Steering System - Includes Tank | - | 46 gal (US) | - |
| Brake Hoist System - Includes Tank | - | 347 gal (US) | - |
| Torque Converter - Transmission System - Including Sump | - | 55 gal (US) | - |
| Steering Tank | - | - | 14.5 gal (US) |
| DEF Tank | - | - | 6 gal (US) |
Steering |
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| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | ISO 5010:2007 |
| Steer Angle | 31 ° | 36.07 ° | 40.5 ° |
| Turning Diameter | 57.7 ft | - | - |
| Turning Circle - Clearance Diameter | 66.6 ft | - | 66.6 ft |
| Turning Diameter - Front | - | - | 57.7 ft |
Weights - Approximate |
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| Nominal Rated Payload | - | 213 ton (US) | - |
| Rated Gross Machine Weight | - | 715000 lb | - |
| Body Weight | - | 60406 lb | 17306 lb |
| Note (1) | - | Consult your tire manufacturer for maximum tire load | - |
| Note (2) | - | Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. | - |
| Target Gross Machine Operating Weight | - | - | 181000 lb |
| Chassis Weight | - | - | 59223 lb |
| Target Gross Machine Weight | - | - | 181000 lb |
Weight Distributions - Approximate |
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| Front Axle - Empty | - | 50% | 51.4 % |
| Rear Axle - Loaded | - | 67% | 65.8 % |
| Rear Axle - Empty | - | 50% | 48.6 % |
| Front Axle - Loaded | - | 33% | 34.2 % |
Final Drives |
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| Planetary Ratio | - | 10.83:1 | 4.80:1 |
| Total Reduction Ratio | - | 25.46:1 | 13.14:1 |
| Type | - | Double reduction, planetary with full floating axles | - |
| Differential Ratio | - | 2.35:1 | 2.74:1 |
Tires |
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| Standard Tires | - | 37 R57 | - |
| Optional Tires | - | 40 R57 | - |
| Optional Tire | - | 42/90 R57 | - |
| Rims | - | 29” x 57” Rims | - |
| Note (1) | - | Quick Change Rims optional | - |
| Note (2) | - | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. | - |
| Standard Tire | - | - | 21.00R33 (E4) |
Braking System |
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| Service Brakes | - | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | - |
| Front Wet Disc Brake Surface Area | - | 12662 in² | - |
| Rear - Wet Disc Brake Surface Area | - | 20861 in² | - |
| Standards | - | (Service and Secondary) ISO 3450:2011 | - |
| Parking Brake | - | Four-corner, Multi-disc, Spring applied, Hydraulically Released | - |
Capacity - HP Body - 100% Fill Factor |
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| Struck | - | 77 m3(101 yd3) | - |
| Heaped (SAE 2:1)* | - | 143 m3(187 yd2) | - |
| Note (1) | - | Consult your local Cat dealer for body recommendations | - |
Body Hoists |
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| Type | - | Twin, two-stage hydraulic cylinders with snubbing valve. | - |
| Pump Flow - High Idle | - | 106.5 gal/min | 112 gal/min |
| Relief Valve Setting - Raise | - | 2749 psi | 2750 psi |
| Body Raise Time - High Idle | - | 14 s | 8 s |
| Body Lower Time - Float | - | 16 s | 10 s |
| Relief Valve Setting - Lower | - | - | 500 psi |
| Body Power Down - High Idle | - | - | 10 s |
Suspension |
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| Type | - | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments | - |
| Effective Cylinder Stroke - Front | - | 4.12 in | - |
| Effective Cylinder Stroke - Rear | - | 3.67 in | - |
| Rear axle - Oscillation | - | +/- 5 degrees | 8.9 ° |
| Empty Loaded Cylinder Stroke Front | - | - | 9.2 in |
| Empty Loaded Cylinder Stroke Rear | - | - | 5.8 in |
Cab |
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| Air Conditioning | - | (HFC - 134A refrigerant) 24,500 Btu/hr | - |
| Heater / Defroster | - | 33300 Btu/h | - |
| ROPS Standards (1) | - | The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. | - |
| ROPS Standards (2) | - | ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. | - |
| FOPS Standards | - | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. | - |
Dimensions (Approximate) |
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| Height - Top of ROPS | - | 5550 mm | - |
| Overall Body Length | - | 12945 mm | - |
| Inside Body Length | - | 8730 mm | - |
| Overall Length | - | 12970 mm | - |
| Wheel Base | - | 57000 mm | - |
| Rear Axle - Tail | - | 3856 mm | - |
| Ground Clearance | - | 1304 mm | - |
| Dump Clearance | - | 1585 mm | - |
| Loading Height - Empty | - | 6147 mm | - |
| Rear Sidewall Height | - | 1010 mm | - |
| Inside Body Depth - Maximum | - | 3075 mm | - |
| Overall Height - Body Raised | - | 11534 mm | - |
| Operating Width | - | 7822 mm | - |
| Centerline Front Tire Width | - | 5410 mm | - |
| Engine Guard Clearance | - | 1290 mm | - |
| Overall Canopy Width | - | 7769 mm | - |
| Outside Body Width | - | 7123 mm | - |
| Inside Body Width | - | 6920 mm | - |
| Front Canopy Height | - | 6739 mm | - |
| Rear Axle - Clearance | - | 1263 mm | - |
| Centerline of Rear Dual Tire Width | - | 4695 mm | - |
| Overall Tire Width | - | 7120 mm | - |
Capacity - Dual Slope - 100% Fill Factor |
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| Heaped 2:1 (SAE) | - | - | 40.8 yd³ |
| Struck | - | - | 31.3 yd³ |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | - | - | 31.3 yd³ |
| Heaped 2:1 (SAE) | - | - | 40.9 yd³ |
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. |
| Sound Standards (2) | - | - | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). |
| Sound Standards (1) | - | - | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. |
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 |
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