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 793F Mining Truck |
 775G Off-Highway Truck |
 789 Next Generation |
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Weights - Approximate |
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| Nominal Rated Payload | 256 ton (US) | - | 213 ton (US) |
| Rated Gross Machine Weight | 851000 lb | - | 715000 lb |
| Chassis Weight | 265639 lb | - | - |
| Body Weight | 67682 lb | - | 60406 lb |
| Note (1) | Consult your tire manufacturer for maximum tire load | - | Consult your tire manufacturer for maximum tire load |
| Note (2) | Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. | - | Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. |
| Note (3) | Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. | - | - |
Engine |
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| Gross Power - SAE J1995 | 2650 HP | 825 HP | - |
| Net Power - SAE J1349 | 2478 HP | - | - |
| Engine Model | Cat® C175-16 | Cat® C27 | Cat® 3516E |
| Rated Speed | 1750 r/min | - | 1650 r/min |
| Emissions | Fuel Optimized | - | - |
| Bore | 6.9 in | 5.4 in | 6.7 in |
| Stroke | 8.7 in | 6 in | 8.5 in |
| Displacement | 5187 in³ | 1648 in³ | 4766 in³ |
| 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. | - | 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) | EPA Tier 4 Final / EU Stage V available for applicable markets. | - | Optional 1417 kW / 1,900 HP engine rating. |
| Rated Net Power - SAE J1349 | - | 683 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. Specifications shown are for LRC model. | - |
| Gross Power - SAE J1995:2014 | - | - | 2100 HP |
| Net Power - SAE J1349:2011 | - | - | 1975 HP |
| Emissions Rating | - | - | Fuel Optimized |
| Note (3) | - | - | U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. |
Tires |
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| Standard Tires | 40.00 R57 | - | 37 R57 |
| Rims | 29" or 32" | - | 29” x 57” Rims |
| Note | Quick Change Rims optional. | - | - |
| Note (1) | Extended life wheel stations optional. | - | 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. | - | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
| Optional Tires | - | - | 40 R57 |
| Optional Tire | - | - | 42/90 R57 |
Suspension |
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| Type | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments | - | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments |
| Effective Cylinder Stroke - Front | 5.1 in | - | 4.12 in |
| Effective Cylinder Stroke - Rear | 4.2 in | - | 3.67 in |
| Rear axle - Oscillation | ±4.9 degrees | - | +/- 5 degrees |
Braking System |
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| Service Brakes | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated | - | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
| Front Wet Disc Brake Surface Area | 13921 in³ | - | 12662 in² |
| Rear - Wet Disc Brake Surface Area | 20847 in³ | - | 20861 in² |
| Standards | (Service and Secondary): ISO 3450:1996 | - | (Service and Secondary) ISO 3450:2011 |
| Parking Brakes | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | - | - |
| Load Brake | Rear service brakes | - | - |
| Note | Anti-Lock Brake System (ABS) optional with CMD package | - | - |
| Parking Brake | - | - | Four-corner, Multi-disc, Spring applied, Hydraulically Released |
Body Hoists |
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| Type | Twin, two-stage hydraulic cylinders with snubbing valve | - | Twin, two-stage hydraulic cylinders with snubbing valve. |
| Pump Flow - High Idle | 224 gal/min | - | 106.5 gal/min |
| Relief Valve Setting - Raise | 2955 psi | - | 2749 psi |
| Body Raise Time - High Idle | 19 s | - | 14 s |
| Body Lower Time - Float | 20 s | - | 16 s |
| Body Power Down - High Idle | 17.5 s | - | - |
Cab |
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| Air Conditioning | Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr | - | (HFC - 134A refrigerant) 24,500 Btu/hr |
| Heater / Defroster | 38900 Btu/h | - | 33300 Btu/h |
| Note | Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. | - | - |
| ROPS Standards (1) | The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396. | - | 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 3471:1994 criteria. | - | 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 3449:1992 Level II criteria. | - | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. |
Service Refill Capacities |
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| Fuel Tank | 750 gal (US) | - | 1000 gal (US) |
| Fuel Tank - Optional | 1300 gal (US) | - | - |
| Diesel Exhaust Fluid Tank | 62 gal (US) | - | 62 gal (US) |
| Cooling System | 284 gal (US) | 45 gal (US) | 180 gal (US) |
| Crankcase | 82 gal (US) | 24 gal (US) | 77 gal (US) |
| Rear Axle - Housing | 260 gal (US) | - | - |
| Steering System - Including Tank | 77 gal (US) | 14 gal (US) | - |
| Brake Hoist System - Includes Tank | 347 gal (US) | - | 347 gal (US) |
| Torque Converter - Transmission Sump | 27 gal (US) | - | - |
| Torque Converter/Transmission System - Including Sump | 55 gal (US) | - | - |
| Note (1) | DEF Tank only available for EPA Tier 4 engine option. | - | - |
| Fuel Tank Capacity | - | 210 gal (US) | - |
| Differential - Final Drives | - | 38 gal (US) | - |
| Brake/Hoist Hydraulic Tank | - | 46.5 gal (US) | - |
| Brake Hoist System | - | 85 gal (US) | 169 gal (US) |
| Fuel Tank - Standard | - | - | 550 gal (US) |
| Fuel Tank (Tier 4) | - | - | 55 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) |
| Torque Converter - Transmission System - Including Sump | - | - | 55 gal (US) |
Capacity - HP Body - 100% Fill Factor |
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| Struck | 112.6-151 m³ (147-197.5 yd³) | - | 77 m3(101 yd3) |
| Heaped (SAE 2:1)* | 162-191 m³ (212-250 yd³) | - | 143 m3(187 yd2) |
| Note (1) | Contact your local Cat dealer for body recommendation. | - | Consult your local Cat dealer for body recommendations |
| Note (2) | *ISO 6483:1980 | - | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 48 % | - | 50% |
| Rear Axle - Empty | 52 % | - | 50% |
| Front Axle - Loaded | 33 % | - | 33% |
| Rear Axle - Loaded | 67 % | - | 67% |
Transmission |
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| Forward - 1 | 8 mile/h | 6.6 mile/h | 7.8 mile/h |
| Forward - 2 | 10.8 mile/h | 9.3 mile/h | 10.6 mile/h |
| Forward - 3 | 14.8 mile/h | 12.6 mile/h | 14.4 mile/h |
| Forward - 4 | 19.9 mile/h | 16.8 mile/h | 19.4 mile/h |
| Forward - 5 | 27.1 mile/h | 22.8 mile/h | 26.3 mile/h |
| Forward - 6 | 37.3 mile/h | 30.7 mile/h | 35.5 mile/h |
| Reverse | 7.3 mile/h | 8.7 mile/h | 7.3 mile/h |
| Top Speed - Loaded | 37.3 mile/h | - | 35.5 mile/h |
| Forward - 7 | - | 41.6 mile/h | - |
| Note | - | Maximum travel speeds with standard 24.00R35 (E4) tires | - |
Final Drives |
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| Differential Ratio | 1.8:1 | - | 2.35:1 |
| Planetary Ratio | 16:01 | - | 10.83:1 |
| Total Reduction Ratio | 26.8:1 | - | 25.46:1 |
| Type | - | - | Double reduction, planetary with full floating axles |
Brakes |
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| Brake Surface - Front | 13921 in² | 257 in² | - |
| Brake Surface - Rear | 20847 in² | 9497 in² | - |
| Standards | J-ISO 3450 JAN88, ISO 3450:1996 | - | - |
Capacity - MSD II - 100% Fill Factor |
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| Struck | 112-142 m³ (146-186 yd³) | - | - |
| Heaped (SAE 2:1) | 159-190 m3 (209-250 yd3) | - | - |
| Note | Contact your local Cat dealer for body recommendation. | - | - |
ROPS |
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| ROPS Standards | ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:1994 ROPS criteria. | - | - |
| FOPS Standards | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. | - | - |
| Tractor ROPS | - | 85288 lb | - |
Sound |
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| Sound Standards | The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed. | - | - |
| Sound Standards (1) | 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. | - | - |
Steering |
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| Steer Angle | 36 ° | 31 ° | 36.07 ° |
| Turning Diameter - Front | 93.2 ft | - | - |
| Steering Standards | SAE J15111 OCT90, ISO 5010:1992 | ISO 5010:2007 | ISO 5010:2007 |
| Turning Diameter | - | 77.1 ft | - |
| Turning Circle - Clearance Diameter | - | 85.6 ft | - |
Weights |
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| LRC Bare Chassis Weight without Hoist | - | 75118 lb | - |
| LRC Bare Chassis Weight with Hoist | - | 76326 lb | - |
| LRC Gross Vehicle Weight (Target) without Hoist | - | 246503 lb | - |
| LRC Gross Vehicle Weight (Target) with Hoist | - | 246503 lb | - |
| HRC Bare Chassis Weight without Hoist | - | 76573 lb | - |
| HRC Bare Chassis Weight with Hoist | - | 77781 lb | - |
| HRC Gross Vehicle Weight (Target) without Hoist | - | 246503 lb | - |
| HRC Gross Vehicle Weight (Target) with Hoist | - | 246503 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. | - |
Operating Specifications |
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| Nominal Water Tank Capacity | - | 15000 gal (US) | - |
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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