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 775G Off-Highway Truck |
 772G Off-Highway Truck |
 789 Next Generation |
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Weights |
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|---|---|---|---|
| LRC Bare Chassis Weight without Hoist | 75118 lb | 58414 lb | - |
| LRC Bare Chassis Weight with Hoist | 76326 lb | 59223 lb | - |
| LRC Gross Vehicle Weight (Target) without Hoist | 246503 lb | 180999 lb | - |
| LRC Gross Vehicle Weight (Target) with Hoist | 246503 lb | 180999 lb | - |
| HRC Bare Chassis Weight without Hoist | 76573 lb | 59567 lb | - |
| HRC Bare Chassis Weight with Hoist | 77781 lb | 60376 lb | - |
| HRC Gross Vehicle Weight (Target) without Hoist | 246503 lb | 180999 lb | - |
| HRC Gross Vehicle Weight (Target) with Hoist | 246503 lb | 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. | 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 | 85288 lb | 77430 lb | - |
Operating Specifications |
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| Nominal Water Tank Capacity | 15000 gal (US) | 11000 gal (US) | - |
Steering |
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| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | ISO 5010:2007 |
| Steer Angle | 31 ° | 31 ° | 36.07 ° |
| Turning Diameter | 77.1 ft | 57.7 ft | - |
| Turning Circle - Clearance Diameter | 85.6 ft | 66.6 ft | - |
Engine |
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| Engine Model | Cat® C27 | Cat® C18 | Cat® 3516E |
| Gross Power - SAE J1995 | 825 HP | 605 HP | - |
| Rated Net Power - SAE J1349 | 683 HP | 550 HP | - |
| Bore | 5.4 in | 5.7 in | 6.7 in |
| Stroke | 6 in | 7.2 in | 8.5 in |
| Displacement | 1648 in³ | 1105 in³ | 4766 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. Specifications shown are for LRC model. | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. | - |
| Rated Engine Speed | - | 1700 r/min | - |
| Number of Cylinders | - | 6 | - |
| 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. |
Transmission |
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| Forward - 1 | 6.6 mile/h | 8 mile/h | 7.8 mile/h |
| Forward - 2 | 9.3 mile/h | 10.9 mile/h | 10.6 mile/h |
| Forward - 3 | 12.6 mile/h | 14.8 mile/h | 14.4 mile/h |
| Forward - 4 | 16.8 mile/h | 19.8 mile/h | 19.4 mile/h |
| Forward - 5 | 22.8 mile/h | 26.9 mile/h | 26.3 mile/h |
| Forward - 6 | 30.7 mile/h | 36.2 mile/h | 35.5 mile/h |
| Forward - 7 | 41.6 mile/h | 49.2 mile/h | - |
| Reverse | 8.7 mile/h | 10.4 mile/h | 7.3 mile/h |
| Note | Maximum travel speeds with standard 24.00R35 (E4) tires | Maximum travel speeds with standard 21.00R33 (E4) tires. | - |
| Top Speed - Loaded | - | - | 35.5 mile/h |
Brakes |
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| Brake Surface - Front | 257 in² | 216 in² | - |
| Brake Surface - Rear | 9497 in² | 7794 in² | - |
Service Refill Capacities |
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| Fuel Tank Capacity | 210 gal (US) | 140 gal (US) | - |
| Cooling System | 45 gal (US) | 33 gal (US) | 180 gal (US) |
| Crankcase | 24 gal (US) | 17 gal (US) | 77 gal (US) |
| Differential - Final Drives | 38 gal (US) | 47 gal (US) | - |
| Steering System - Including Tank | 14 gal (US) | 60 gal (US) | - |
| Brake/Hoist Hydraulic Tank | 46.5 gal (US) | 38 gal (US) | - |
| Brake Hoist System | 85 gal (US) | 60 gal (US) | 169 gal (US) |
| Torque Converter - Transmission System | - | 17 gal (US) | - |
| Fuel Tank - Standard | - | - | 550 gal (US) |
| Fuel Tank | - | - | 1000 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) |
Weights - Approximate |
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| Nominal Rated Payload | - | - | 213 ton (US) |
| Rated Gross Machine Weight | - | - | 715000 lb |
| Body Weight | - | - | 60406 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. |
Weight Distributions - Approximate |
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| Front Axle - Empty | - | - | 50% |
| Rear Axle - Loaded | - | - | 67% |
| Rear Axle - Empty | - | - | 50% |
| Front Axle - Loaded | - | - | 33% |
Final Drives |
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| Planetary Ratio | - | - | 10.83:1 |
| Total Reduction Ratio | - | - | 25.46:1 |
| Type | - | - | Double reduction, planetary with full floating axles |
| Differential Ratio | - | - | 2.35:1 |
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. |
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 |
| Relief Valve Setting - Raise | - | - | 2749 psi |
| Body Raise Time - High Idle | - | - | 14 s |
| Body Lower Time - Float | - | - | 16 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 |
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 |
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