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Weights - Approximate
	798 AC Electric Drive Mining Truck View Product	797F Mining Truck View Product Remove	770 Off-Highway Truck View Product Remove	794 AC Mining Truck View Product Remove
Nominal Rated Payload	410 ton (US)	400 ton (US)	-	327 ton (US)
Rated Gross Machine Weight	1375000 lb	1375000 lb	-	1150000 lb
Chassis Weight	453826 lb	474472 lb	55948 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	Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.	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.	Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.	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	-	94799 lb	17306 lb	64346 lb
Note (4)	-	Tier 4 Chassis Weight: 486263 lb (220565 kg)	-	Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Target Gross Machine Operating Weight	-	-	157000 lb	-
Target Gross Machine Weight	-	-	157000 lb	-
Engine
Gross Power - SAE J1995	3500 HP	4000 HP	515 HP	3500 HP
Engine Model	Cat® C175-16	Cat® C175-20	Cat® C15	Cat® C175-16
Net Power - SAE J1349	3405 HP	3795 HP	477 HP	3405 HP
Optional Gross Power - SAE J1995	3100 HP	-	-	3100 HP
Rated Speed	1800 r/min	1750 r/min	-	1800 r/min
Emissions Rating	Fuel Optimized	-	-	Fuel Optimized
Bore	6.9 in	6.9 in	5.4 in	6.9 in
Stroke	8.7 in	8.7 in	6.7 in	8.7 in
Displacement	5187 in³	6469 in³	927.6 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.	Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.	Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.	Contact factory for high altitude configuration.
Note (2)	U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.	U.S. EPA Tier 4 Final available for applicable markets.	Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).	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	High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.	No engine derating required up to 3000 m (9,843 ft) altitude.	Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
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.	Meets U.S. EPA Tier 4 and EU Stage V emission standards.	-
Rated Engine Speed	-	-	1700 r/min	-
Net Power - ISO 9249	-	-	477 HP	-
Net Power - 80/1269/EEC	-	-	489 HP	-
Net Power - ISO 14396	-	-	508 HP	-
Net Torque - SAE J1349	-	-	1834 ft·lbf	-
Number of Cylinders	-	-	6	-
Note (4)	-	-	Meets Japan Small Volume Exemption.	-
Standard Gross Power - SAE J1995	-	-	-	3500 HP
Optional Gross Power - SAE J1995 (Option 2)	-	-	-	2750 HP
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)	140 gal (US)	1300 gal (US)
Fuel Tank (Tier 4)	1200 gal (US)	1200 gal (US)	-	-
Diesel Exhaust Fluid Tank	100 gal (US)	100 gal (US)	-	100 gal (US)
Cooling System	211 gal (US)	306 gal (US)	33 gal (US)	211 gal (US)
Crankcase	82 gal (US)	103 gal (US)	17 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 engine option.	-	DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
Front Wheels - Each	-	16 gal (US)	-	-
Differentials	-	330 gal (US)	-	-
Steering Tank	-	67 gal (US)	14.5 gal (US)	-
Steering System - Including Tank	-	95 gal (US)	23 gal (US)	-
Brake/Hoist Tank	-	203 gal (US)	-	-
Brake Hoist System - Includes Tank	-	489 gal (US)	-	-
Torque Converter Sump	-	80 gal (US)	-	-
Torque Converter/Transmission System - Including Sump	-	166 gal (US)	-	-
Differential - Final Drives	-	-	47 gal (US)	-
Brake/Hoist Hydraulic Tank	-	-	38 gal (US)	-
Brake Hoist System	-	-	60 gal (US)	-
Torque Converter - Transmission System	-	-	17 gal (US)	-
DEF Tank	-	-	6 gal (US)	-
Steering
Steer Angle	39 °	-	40.5 °	39 °
Turning Diameter - Front	106.3 ft	122.7 ft	57.7 ft	-
Steering Standards	Steering Standards: ISO 5010:2007	ISO 5010:2007	ISO 5010:2007	ISO 5010:2007
Note	Turning Diameter (ISO 7457:1997)	Turning Diameter (ISO 7457:2009)	Target gross machine operating weight is 71 214 kg (157,000 lb).	Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steering Angle	-	40 °	-	-
Turning Circle - Clearance Diameter	-	-	66.6 ft	-
AC Drive System
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
Service Brakes	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated	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	20500 in²	-	20378 in²
Rear - Wet Disc Brake Surface Area	32730 in²	30750 in²	-	30750 in²
Standards	Service and Secondary: ISO 3450:2011	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	-	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 %	47.20%	49 %	49 %
Rear Axle - Empty	53 %	52.80%	51 %	51 %
Front Axle - Loaded	33 %	33.30%	34 %	33 %
Rear Axle - Loaded	67 %	66.70%	66 %	67 %
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)	-	-	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
Type	Twin, two-stage hydraulic cylinders with snubbing valve.	Twin, two-stage hydraulic cylinders with snubbing valve.	-	-
Pump Flow - High Idle	257.3 gal/min	317 gal/min	118 gal/min	-
Relief Valve Setting - Raise	3029 psi	3510 psi	2750 psi	3029 psi
Body Raise Time - High Idle	21 s	25 s	7.5 s	24 s
Body Lower Time - Float	22 s	18 s	10 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.	-	-	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.
Relief Valve Setting - Lower	-	-	500 psi	-
Body Power Down - High Idle	-	-	10 s	-
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
Type	Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & 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	3.9 in	-	-
Effective Cylinder Stroke - Rear	5 in	3.7 in	-	-
Rear axle - Oscillation	-	±3.96 degrees	8.9 °	-
Empty Loaded Cylinder Stroke Front	-	-	9.2 in	-
Empty Loaded Cylinder Stroke Rear	-	-	5.9 in	-
Cab
Air Conditioning	HFC - 134A refrigerant: 21,600 Btu/h	HFC - 134A refrigerant: 24,300 Btu/h	-	-
Heater / Defroster	24600 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, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.	-	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.	FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.	-	Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.
ROPS Standards (2)	-	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	44" x 63"	-	36" x 63"
Standard Tires	59/80 R63	-	-	53/80 R63
Note (1)	Quick Change Rims optional.	Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.	Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	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 evaluates all job conditions and consults the tire manufacturer for proper tire selection.	Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Tires	-	59/80 R63	-	-
Note	-	Quick Change Rims optional.	-	-
Standard Tire	-	-	18.00R33 (E4)	-
Dimensions (Approximate)
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
Sound Standards	The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.	-	-	-
Sound Standards (1)	-	-	Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.	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)	-	-	Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).	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.
Sound Standards (3)	-	-	Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.	-
Final Drives
Type	-	Double reduction, planetary with full floating axles.	-	-
Differential Ratio	-	1.276:1	1.92:1	-
Planetary Ratio	-	16.67:1	4.80:1	-
Total Reduction Ratio	-	21.26:1	9.26:1	35:01:00
Note	-	Double reduction, planetary with full floating axles.	-	-
Capacity - HP Body - 100% Fill Factor
Struck	-	225 yd³ / 172 m³	-	-
Heaped (SAE 2:1)*	-	330 yd³ / 252 m³	-	-
Note (1)	-	Consult your local Cat dealer for body recommendations.	-	-
Transmission
Forward - 1	-	6.6 mile/h	7.4 mile/h	-
Forward - 2	-	8.9 mile/h	10.1 mile/h	-
Forward - 3	-	12 mile/h	13.8 mile/h	-
Forward - 4	-	16.2 mile/h	18.5 mile/h	-
Forward - 5	-	21.8 mile/h	25.1 mile/h	-
Forward - 6	-	29.4 mile/h	33.8 mile/h	-
Forward - 7	-	39.5 mile/h	45.8 mile/h	-
Reverse	-	7.4 mile/h	8.8 mile/h	-
Top Speed - Loaded	-	39.5 mile/h	-	-
Note	-	-	Maximum travel speeds with standard 18.00R33 (E4) tires.	-
Dimensions
Rear Axle - Clearance - Loaded	-	3.08 ft	-	-
Inside Body Depth - Maximum	-	11 ft	4.6 ft	-
Overall Height - Body Raised	-	51.5 ft	27.1 ft	-
Loaded Ground Clearance	-	2.58 ft	-	-
Loading Height - Empty	-	23 ft	10.3 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	26.8 ft	-
Inside Body Length	-	32.75 ft	18.5 ft	-
Overall Length	-	49.5 ft	28.9 ft	-
Wheel Base	-	23.58 ft	13 ft	-
Rear Axle - Tail	-	12.9 ft	8.5 ft	-
Dump Clearance	-	6.58 ft	1.7 ft	-
Centerline Front Tire Width	-	21.41 ft	10.2 ft	-
Overall Canopy Width	-	29.91 ft	-	-
Outside Body Width	-	32 ft	12.9 ft	-
Inside Body Width	-	27.91 ft	11.9 ft	-
Centerline of Rear Dual Tire Width	-	20.41 ft	8.3 ft	-
Overall Tire Width	-	31.25 ft	12.1 ft	-
Height - Top of ROPS	-	-	12.7 ft	-
Ground Clearance	-	-	1.6 ft	-
Operating Width	-	-	15.7 ft	-
Engine Guard Clearance	-	-	1.8 ft	-
Front Canopy Height	-	-	13.5 ft	-
Rear Axle - Clearance	-	-	1.8 ft	-
Operating Specifications
Nominal Payload Class (100%)	-	-	42.1 ton (US)	-
Top Speed - Loaded	-	-	45.8 mile/h	-
Target Payload (100%)	-	-	42.1 ton (US)	-
Maximum Working Payload (110%)	-	-	46.3 ton (US)	-
Maximum Allowable Payload (120%)*	-	-	50.5 ton (US)	-
Body Capacity - SAE 2:1	-	-	32.9 yd³	-
Note (1)	-	-	*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.	-
Note (2)	-	-	Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.	-
Brakes
Brake Surface - Front	-	-	216 in²	-
Brake Surface - Rear	-	-	6235 in²	-
Brake Standards	-	-	ISO 3450:2011	-
Note	-	-	Target gross machine operating weight is 71 214 kg (157,000 lb).	-
Capacity - Dual Slope - 100% Fill Factor
Struck	-	-	23.01 yd³	-
Heaped (SAE 2:1)*	-	-	32.9 yd³	-
Note (2)	-	-	*ISO 6483:1980.	-
Note (1)	-	-	Contact your local Cat dealer for body recommendation.	-
Capacity - Flat Floor - 100% Fill Factor
Struck	-	-	23.01 yd³	-
Heaped (SAE 2:1)*	-	-	32.9 yd³	-
Note (1)	-	-	Contact your local Cat dealer for body recommendation.	-
Note (2)	-	-	*ISO 6483:1980.	-
ROPS
ROPS Standards	-	-	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	-
FOPS Standards	-	-	Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.	-

Compare Equipment Go Back

798 AC Electric Drive Mining Truck

797F Mining Truck

770 Off-Highway Truck

794 AC Mining Truck

Weights - Approximate

Engine

Service Refill Capacities - High Altitude Only

Service Refill Capacities

Steering

AC Drive System

Braking System

Weight Distributions - Approximate

Capacity - HE Body - 100% fill factor

Body Hoists

Suspension

Cab

Engine - High Altitude Only

Tires

Dimensions (Approximate)

Sound

Final Drives

Capacity - HP Body - 100% Fill Factor

Transmission

Dimensions

Operating Specifications

Brakes

Capacity - Dual Slope - 100% Fill Factor

Capacity - Flat Floor - 100% Fill Factor

ROPS

Earthmoving

Parts & Service

Power Systems

Technology

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