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798 AC Electric Drive Mining Truck
789 Next Generation
797F Mining Truck

Weights - Approximate

Nominal Rated Payload 410 ton (US) 213 ton (US) 400 ton (US)
Rated Gross Machine Weight 1375000 lb 715000 lb 1375000 lb
Chassis Weight 453826 lb - 474472 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 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 and mandatory attachments, 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. - -
Body Weight - 60406 lb 94799 lb
Note (4) - - Tier 4 Chassis Weight: 486263 lb (220565 kg)

Engine

Gross Power - SAE J1995 3500 HP - 4000 HP
Engine Model Cat® C175-16 Cat® 3516E Cat® C175-20
Net Power - SAE J1349 3405 HP - 3795 HP
Optional Gross Power - SAE J1995 3100 HP - -
Rated Speed 1800 r/min 1650 r/min 1750 r/min
Emissions Rating Fuel Optimized Fuel Optimized -
Bore 6.9 in 6.7 in 6.9 in
Stroke 8.7 in 8.5 in 8.7 in
Displacement 5187 in³ 4766 in³ 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. 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) U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. Optional 1417 kW / 1,900 HP engine rating. U.S. EPA Tier 4 Final available for applicable markets.
Note (3) Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
Gross Power - SAE J1995:2014 - 2100 HP -
Net Power - SAE J1349:2011 - 1975 HP -
Emissions - - U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards.

Service Refill Capacities - High Altitude Only

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

Fuel Tank 1300 gal (US) 1000 gal (US) 1000 gal (US)
Fuel Tank (Tier 4) 1200 gal (US) 55 gal (US) 1200 gal (US)
Diesel Exhaust Fluid Tank 100 gal (US) 62 gal (US) 100 gal (US)
Cooling System 211 gal (US) 180 gal (US) 306 gal (US)
Crankcase 82 gal (US) 77 gal (US) 103 gal (US)
Final Drive - Each 67 gal (US) - -
Hydraulic System - Including Tank 385 gal (US) - -
Hydraulic Tank 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 engine option.
Fuel Tank - Standard - 550 gal (US) -
Front Wheels - Each - 5.8 gal (US) 16 gal (US)
Differentials - 161 gal (US) 330 gal (US)
Steering System - 42 gal (US) -
Steering System - Includes Tank - 46 gal (US) -
Brake Hoist System - 169 gal (US) -
Brake Hoist System - Includes Tank - 347 gal (US) 489 gal (US)
Torque Converter - Transmission System - Including Sump - 55 gal (US) -
Steering Tank - - 67 gal (US)
Steering System - Including Tank - - 95 gal (US)
Brake/Hoist Tank - - 203 gal (US)
Torque Converter Sump - - 80 gal (US)
Torque Converter/Transmission System - Including Sump - - 166 gal (US)

Steering

Steer Angle 39 ° 36.07 ° -
Turning Diameter - Front 106.3 ft - 122.7 ft
Steering Standards Steering Standards: ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Note Turning Diameter (ISO 7457:1997) - Turning Diameter (ISO 7457:2009)
Steering Angle - - 40 °

AC Drive System

Total Reduction Ratio 35:01:00 - -
Top Speed - Loaded 40 mile/h - -
Generator/Alternator Brushless, engine mounted, dual bearing - -
Controls IGBT Inverter Technology, air cooled, pressurized cabinet with filtration - -
Wheel Motor Cat high-torque AC induction, rear axle mounted - -
Cooling System Cat variable speed, hydraulically driven cooling system - -

Braking System

Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 22642 in² 12662 in² 20500 in²
Rear - Wet Disc Brake Surface Area 32730 in² 20861 in² 30750 in²
Standards Service and Secondary: ISO 3450:2011 (Service and Secondary) ISO 3450:2011 Service and Secondary: ISO 3450:2011
Electric Retarding Radial Grid Design - -
Dynamic Retarding Power - Continuous 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 - Anti-Lock Brake System (ABS) optional with CMD package
Parking Brake - Four-corner, Multi-disc, Spring applied, Hydraulically Released Four-corner, Multi-disc, Spring Applied, Hydraulically Released

Weight Distributions - Approximate

Front Axle - Empty 47 % 50% 47.20%
Rear Axle - Empty 53 % 50% 52.80%
Front Axle - Loaded 33 % 33% 33.30%
Rear Axle - Loaded 67 % 67% 66.70%
Note Weight distributions optimized with Cat body. - Weight distributions optimized with Cat body.

Capacity - HE Body - 100% fill factor

Struck 129-200 m³ (168-261 yd³) - -
Heaped (SAE 2:1) 218-276 m³ (285-361 yd³) - -
Note Contact your local Cat dealer for body recommendations. - -

Body Hoists

Type Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle 257.3 gal/min 106.5 gal/min 317 gal/min
Relief Valve Setting - Raise 3029 psi 2749 psi 3510 psi
Body Raise Time - High Idle 21 s 14 s 25 s
Body Lower Time - Float 22 s 16 s 18 s
Body Power Down- High Idle 17.5 s - 18 s
Note (1) Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages. - -
Note (2) Power raise in both stages; power down capability in both stages. - -
Note (3) Automatic body-lower modulation reduces impact on frame. - -

Suspension

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 Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front 10 in 4.12 in 3.9 in
Effective Cylinder Stroke - Rear 5 in 3.67 in 3.7 in
Rear axle - Oscillation - +/- 5 degrees ±3.96 degrees

Cab

Air Conditioning HFC - 134A refrigerant: 21,600 Btu/h (HFC - 134A refrigerant) 24,500 Btu/hr HFC - 134A refrigerant: 24,300 Btu/h
Heater / Defroster 24600 Btu/h 33300 Btu/h 38900 Btu/h
Note Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning. - Ambient capabilities down to -30C (-22F) 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. The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.
ROPS Standards (2) - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria.

Engine - High Altitude Only

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

Rims 44" x 63" Rims 29” x 57” Rims 44" x 63"
Standard Tires 59/80 R63 37 R57 -
Note (1) Quick Change Rims optional. Quick Change Rims optional Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
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 -
Tires - - 59/80 R63
Note - - Quick Change Rims optional.

Dimensions (Approximate)

Height - Top of ROPS 22.1 ft 5550 mm -
Overall Length 51.44 ft 12970 mm -
Wheel Base 21.9 ft 57000 mm -
Rear Axle - Tail 16.07 ft 3856 mm -
Dump Clearance - Empty 5.72 ft - -
Loading Height - Empty 25.54 ft 6147 mm -
Overall Height - Body Raised 48.85 ft 11534 mm -
Centerline Front Tire Width 23.06 ft 5410 mm -
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 6920 mm -
Front Canopy Height - Empty 26.01 ft - -
Rear Axle Clearance - Loaded 2.8 ft - -
Centerline of Rear Dual Tire Width 19.5 ft 4695 mm -
Overall Tire Width - Empty 30.27 ft - -
Overall Length (High Altitude only) 51.87 ft - -
Note Dimensions listed includes canopy deflectors - -
Overall Body Length - 12945 mm -
Inside Body Length - 8730 mm -
Ground Clearance - 1304 mm -
Dump Clearance - 1585 mm -
Rear Sidewall Height - 1010 mm -
Inside Body Depth - Maximum - 3075 mm -
Operating Width - 7822 mm -
Engine Guard Clearance - 1290 mm -
Overall Canopy Width - 7769 mm -
Outside Body Width - 7123 mm -
Front Canopy Height - 6739 mm -
Rear Axle - Clearance - 1263 mm -
Overall Tire Width - 7120 mm -

Sound

Sound Standards The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. - -

Final Drives

Planetary Ratio - 10.83:1 16.67:1
Total Reduction Ratio - 25.46:1 21.26:1
Type - Double reduction, planetary with full floating axles Double reduction, planetary with full floating axles.
Differential Ratio - 2.35:1 1.276:1
Note - - Double reduction, planetary with full floating axles.

Transmission

Forward - 1 - 7.8 mile/h 6.6 mile/h
Forward - 2 - 10.6 mile/h 8.9 mile/h
Forward - 3 - 14.4 mile/h 12 mile/h
Forward - 4 - 19.4 mile/h 16.2 mile/h
Forward - 5 - 26.3 mile/h 21.8 mile/h
Forward - 6 - 35.5 mile/h 29.4 mile/h
Reverse - 7.3 mile/h 7.4 mile/h
Top Speed - Loaded - 35.5 mile/h 39.5 mile/h
Forward - 7 - - 39.5 mile/h

Capacity - HP Body - 100% Fill Factor

Struck - 77 m3(101 yd3) 225 yd³ / 172 m³
Heaped (SAE 2:1)* - 143 m3(187 yd2) 330 yd³ / 252 m³
Note (1) - Consult your local Cat dealer for body recommendations Consult your local Cat dealer for body recommendations.

Dimensions

Rear Axle - Clearance - Loaded - - 3.08 ft
Inside Body Depth - Maximum - - 11 ft
Overall Height - Body Raised - - 51.5 ft
Loaded Ground Clearance - - 2.58 ft
Loading Height - Empty - - 23 ft
Engine Guard Clearance - Loaded - - 3.33 ft
Height - Top of ROPS - Empty - - 21.4 ft
Front Canopy Height - Empty - - 25.33 ft
Overall Body Length - - 48.6 ft
Inside Body Length - - 32.75 ft
Overall Length - - 49.5 ft
Wheel Base - - 23.58 ft
Rear Axle - Tail - - 12.9 ft
Dump Clearance - - 6.58 ft
Centerline Front Tire Width - - 21.41 ft
Overall Canopy Width - - 29.91 ft
Outside Body Width - - 32 ft
Inside Body Width - - 27.91 ft
Centerline of Rear Dual Tire Width - - 20.41 ft
Overall Tire Width - - 31.25 ft
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