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 798 AC Electric Drive Mining Truck |
 794 AC Mining Truck |
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Weights - Approximate |
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| Nominal Rated Payload | 410 ton (US) | 327 ton (US) | - |
| Rated Gross Machine Weight | 1375000 lb | 1150000 lb | - |
| Chassis Weight | 453826 lb | 426237 lb | - |
| Body Weight Range | 38 833 - 43 275 kg (85,611 - 95,406 lb) | - | - |
| Note (1) | Consult your tire manufacturer for maximum tire load. | Consult your tire manufacturer for maximum tire load. | - |
| Note (2) | Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. | Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires | - |
| Note (3) | Body weight varies depending on how body is equipped. | Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations. | - |
| Body Weight | - | 64346 lb | - |
| Note (4) | - | Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) | - |
Engine |
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| Gross Power - SAE J1995 | 3500 HP | 3500 HP | - |
| Engine Model | Cat® C175-16 | Cat® C175-16 | - |
| Net Power - SAE J1349 | 3405 HP | 3405 HP | - |
| Optional Gross Power - SAE J1995 | 3100 HP | 3100 HP | - |
| Rated Speed | 1800 r/min | 1800 r/min | - |
| Emissions Rating | Fuel Optimized | Fuel Optimized | - |
| Bore | 6.9 in | 6.9 in | - |
| Stroke | 8.7 in | 8.7 in | - |
| Displacement | 5187 in³ | 5187 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. | Contact factory for high altitude configuration. | - |
| Note (2) | U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. | Tier 4 / EU Stage V option available for regions that require these emissions standards. | - |
| Note (3) | Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp | Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) | - |
| Standard Gross Power - SAE J1995 | - | 3500 HP | - |
| Optional Gross Power - SAE J1995 (Option 2) | - | 2750 HP | - |
Service Refill Capacities - High Altitude Only |
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| Fuel Tank | 2000 gal (US) | - | - |
| Cooling System | 273 gal (US) | - | - |
| Crankcase | 124 gal (US) | - | - |
| Hydraulic Tank | 273 gal (US) | - | - |
| Hydraulic System (includes tank) | 342 gal (US) | - | - |
Service Refill Capacities |
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| Fuel Tank | 1300 gal (US) | 1300 gal (US) | - |
| Fuel Tank (Tier 4) | 1200 gal (US) | - | - |
| Diesel Exhaust Fluid Tank | 100 gal (US) | 100 gal (US) | - |
| Cooling System | 211 gal (US) | 211 gal (US) | - |
| Crankcase | 82 gal (US) | 82 gal (US) | - |
| Final Drive - Each | 67 gal (US) | 67 gal (US) | - |
| Hydraulic System - Including Tank | 385 gal (US) | 385 gal (US) | - |
| Hydraulic Tank | 296 gal (US) | 296 gal (US) | - |
| Grease Tank | 90 lb | - | - |
| Note (1) | DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option | DEF Tank only available for EPA Tier 4 / EU Stage V engine option. | - |
Steering |
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| Steer Angle | 39 ° | 39 ° | - |
| Turning Diameter - Front | 106.3 ft | - | - |
| Steering Standards | Steering Standards: ISO 5010:2007 | ISO 5010:2007 | - |
| Note | Turning Diameter (ISO 7457:1997) | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). | - |
AC Drive System |
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| Total Reduction Ratio | 35:01:00 | 35:01:00 | - |
| Top Speed - Loaded | 40 mile/h | 37 mile/h | - |
| Generator/Alternator | Brushless, engine mounted, dual bearing | Brushless, engine mounted, dual bearing | - |
| Controls | IGBT Inverter Technology, air cooled, pressurized cabinet with filtration | IGBT Inverter Technology, air cooled, pressurized cabinet with filtration | - |
| Wheel Motor | Cat high-torque AC induction, rear axle mounted | High-torque AC induction, rear axle mounted | - |
| Cooling System | Cat variable speed, hydraulically driven cooling system | Variable speed, hydraulically driven cooling system | - |
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 | 22642 in² | 20378 in² | - |
| Rear - Wet Disc Brake Surface Area | 32730 in² | 30750 in² | - |
| Standards | Service and Secondary: ISO 3450:2011 | ISO 3450:2011 | - |
| Electric Retarding | Radial Grid Design | - | - |
| Dynamic Retarding Power - Continuous | 5480 HP | 5480 HP | - |
| Parking Brakes | Four-corner, Multi-disc, Spring Applied, Hydraulically Released | - | - |
| Load Brake | Rear service brakes | Rear service brakes | - |
| Note | Anti-Lock Brake System (ABS) optional with CMD package | - | - |
| Parking Brake | - | Four-corner, Multi-disc, Spring applied, Hydraulically Released | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 47 % | 49 % | - |
| Rear Axle - Empty | 53 % | 51 % | - |
| Front Axle - Loaded | 33 % | 33 % | - |
| Rear Axle - Loaded | 67 % | 67 % | - |
| Note | Weight distributions optimized with Cat body. | - | - |
Capacity - HE Body - 100% fill factor |
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| Struck | 129-200 m³ (168-261 yd³) | 108-133 m³ (142-175 yd³) | - |
| Heaped (SAE 2:1) | 218-276 m³ (285-361 yd³) | 180-222 m³ (236-290 yd³) | - |
| Note | Contact your local Cat dealer for body recommendations. | Contact your local Cat dealer for body recommendations. | - |
| Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate | - | 0.63 in | - |
| Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate | - | 0.35 in | - |
| Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate | - | 0.31 in | - |
| Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate | - | 0.2 in | - |
Body Hoists |
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| Type | Twin, two-stage hydraulic cylinders with snubbing valve. | - | - |
| Pump Flow - High Idle | 257.3 gal/min | - | - |
| Relief Valve Setting - Raise | 3029 psi | 3029 psi | - |
| Body Raise Time - High Idle | 21 s | 24 s | - |
| Body Lower Time - Float | 22 s | - | - |
| Body Power Down- High Idle | 17.5 s | - | - |
| Note (1) | Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages. | Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages. | - |
| Note (2) | Power raise in both stages; power down capability in both stages. | Power raise in both stages; power down in both stages possible. | - |
| Note (3) | Automatic body-lower modulation reduces impact on frame. | Automatic body-lower modulation reduces impact on frame. | - |
| Pump Flow - High Idle (HAA at 1,800 rpm) | - | 221 gal/min | - |
| Pump Flow - High Idle (LAA at 1,960 rpm) | - | 240 gal/min | - |
| High Idle Body Lower Time - Float | - | 20 s | - |
| Total Cycle Time | - | 44 s | - |
Suspension |
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| Type | Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments | - | - |
| Effective Cylinder Stroke - Front | 10 in | - | - |
| Effective Cylinder Stroke - Rear | 5 in | - | - |
Cab |
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| Air Conditioning | HFC - 134A refrigerant: 21,600 Btu/h | - | - |
| Heater / Defroster | 24600 Btu/h | - | - |
| Note | Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning. | - | - |
| ROPS Standards (1) | ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. | Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria 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. | Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer. | - |
Engine - High Altitude Only |
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| Engine Model | Cat® C175-20 | - | - |
| Gross Power SAE J1995:2014 | 4150 HP | - | - |
| Net Power - SAE J1349:2011 | 4000 HP | - | - |
| Rated Speed | 1750 r/min | - | - |
| Emissions Rating | Fuel Optimized | - | - |
| Bore | 6.9 in | - | - |
| Stroke | 8.7 in | - | - |
| Displacement | 6469 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. | - | - |
| Note 2 | Additional fuel optimized selectable power rating: 2983 kW / 4,000 hp | - | - |
Tires |
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| Rims | 44" x 63" Rims | 36" x 63" | - |
| Standard Tires | 59/80 R63 | 53/80 R63 | - |
| Note (1) | Quick Change Rims 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. | - |
Dimensions (Approximate) |
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| Height - Top of ROPS | 22.1 ft | 22.25 ft | - |
| Overall Length | 51.44 ft | 50.75 ft | - |
| Wheel Base | 21.9 ft | 21.83 ft | - |
| Rear Axle - Tail | 16.07 ft | 15.5 ft | - |
| Dump Clearance - Empty | 5.72 ft | - | - |
| Loading Height - Empty | 25.54 ft | 22.92 ft | - |
| Overall Height - Body Raised | 48.85 ft | 48.42 ft | - |
| Centerline Front Tire Width | 23.06 ft | 23 ft | - |
| Front Axle Clearance - Loaded | 2.81 ft | - | - |
| Overall Canopy Width (with rock deflectors) | 33.15 ft | - | - |
| Outside Body/Canopy Width (without rock deflectors) | 31.62 ft | - | - |
| Inside Body Width | 29.44 ft | 28.08 ft | - |
| Front Canopy Height - Empty | 26.01 ft | - | - |
| Rear Axle Clearance - Loaded | 2.8 ft | - | - |
| Centerline of Rear Dual Tire Width | 19.5 ft | 18.75 ft | - |
| Overall Tire Width - Empty | 30.27 ft | - | - |
| Overall Length (High Altitude only) | 51.87 ft | - | - |
| Note | Dimensions listed includes canopy deflectors | - | - |
| Ground Clearance | - | 2.67 ft | - |
| Dump Clearance | - | 3 ft | - |
| Front Axle Clearance | - | 3.17 ft | - |
| Canopy Width (without optional rock deflectors) | - | 29.75 ft | - |
| Outside Body Width | - | 29.75 ft | - |
| Front Canopy Height | - | 26.33 ft | - |
| Rear Axle - Clearance | - | 3.08 ft | - |
| Overall Tire Width | - | 28.67 ft | - |
| Overall Canopy Width | - | 31.5 ft | - |
Sound |
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| Sound Standards | The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. | - | - |
| Sound Standards (1) | - | The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB(A) for cab offered by Caterpillar when properly installed, maintained, and tested with doors and windows closed. | - |
| Sound Standards (2) | - | 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. | - |
Final Drives |
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| Total Reduction Ratio | - | 35:01:00 | - |
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