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Operating Specifications
	770 Off-Highway Truck View Product	794 AC Mining Truck View Product Remove	796 AC Electric Drive Mining Truck View Product Remove	789 Next Generation View Product Remove
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.	-	-	-
Engine
Engine Model	Cat® C15	Cat® C175-16	Cat® C175-16	Cat® 3516E
Rated Engine Speed	1700 r/min	-	-	-
Gross Power - SAE J1995:2014	515 hp	-	-	2100 hp
Net Power - SAE J1349:2011	477 hp	-	-	1975 hp
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	-	-	-
Bore	5.4 in	6.9 in	6.9 in	6.7 in
Stroke	6.7 in	8.7 in	8.7 in	8.5 in
Displacement	927.6 in³	5187 in³	5187 in³	4766 in³
Note (1)	Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.	Contact factory for high altitude configuration.	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)	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.	U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.	Optional 1417 kW / 1,900 HP engine rating.
Note (3)	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)	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.
Note (4)	Meets Japan Small Volume Exemption.	-	-	-
Emissions	Meets U.S. EPA Tier 4 and EU Stage V emission standards.	-	-	-
Gross Power - SAE J1995	-	3500 hp	3500 hp	-
Standard Gross Power - SAE J1995	-	3500 hp	-	-
Optional Gross Power - SAE J1995	-	3100 hp	-	-
Optional Gross Power - SAE J1995 (Option 2)	-	2750 hp	-	-
Rated Speed	-	1800 r/min	1800 r/min	1650 r/min
Net Power - SAE J1349	-	3405 hp	3405 hp	-
Emissions Rating	-	Fuel Optimized	Fuel Optimized	Fuel Optimized
Weights - Approximate
Target Gross Machine Operating Weight	157000 lb	-	-	-
Target Gross Machine Weight	157000 lb	-	-	-
Chassis Weight	55948 lb	426237 lb	448415 lb	-
Body Weight	17306 lb	64346 lb	-	60406 lb
Note (1)	Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.	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)	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	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.
Nominal Rated Payload	-	327 ton (US)	360 ton (US)	213 ton (US)
Rated Gross Machine Weight	-	1150000 lb	1270000 lb	715000 lb
Note (3)	-	Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.	Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations	-
Note (4)	-	Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)	-	-
Body Weight Range	-	-	38 833 – 42 907 kg (85,611 – 94,594 lb)	-
Transmission
Forward - 1	7.4 mile/h	-	-	7.8 mile/h
Forward - 2	10.1 mile/h	-	-	10.6 mile/h
Forward - 3	13.8 mile/h	-	-	14.4 mile/h
Forward - 4	18.5 mile/h	-	-	19.4 mile/h
Forward - 5	25.1 mile/h	-	-	26.3 mile/h
Forward - 6	33.8 mile/h	-	-	35.5 mile/h
Forward - 7	45.8 mile/h	-	-	-
Reverse	8.8 mile/h	-	-	7.3 mile/h
Note	Maximum travel speeds with standard 18.00R33 (E4) tires.	-	-	-
Top Speed - Loaded	-	-	-	35.5 mile/h
Final Drives
Differential Ratio	1.92:1	-	-	2.35:1
Planetary Ratio	4.80:1	-	-	10.83:1
Total Reduction Ratio	9.26:1	35:01:00	-	25.46:1
Type	-	-	-	Double reduction, planetary with full floating axles
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).	-	-	-
Body Hoists
Pump Flow - High Idle	118 gal/min	-	257.3 gal/min	106.5 gal/min
Relief Valve Setting - Raise	2750 psi	3029 psi	3029 psi	2749 psi
Relief Valve Setting - Lower	500 psi	-	-	-
Body Raise Time - High Idle	7.5 s	24 s	21 s	14 s
Body Lower Time - Float	10 s	-	22 s	16 s
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	-	-
Note (1)	-	Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.	Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages.	-
Note (2)	-	Power raise in both stages; power down in both stages possible.	Power raise in both stages; power down capability in both stages.	-
Note (3)	-	Automatic body-lower modulation reduces impact on frame.	Automatic body-lower modulation reduces impact on frame.	-
Type	-	-	Twin, two-stage hydraulic cylinders with snubbing valve.	Twin, two-stage hydraulic cylinders with snubbing valve.
Body Power Down- High Idle	-	-	17.5 s	-
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.	-	-	-
Weight Distributions - Approximate
Front Axle - Empty	49 %	49 %	47 %	50%
Front Axle - Loaded	34 %	33 %	33 %	33%
Rear Axle - Empty	51 %	51 %	53 %	50%
Rear Axle - Loaded	66 %	67 %	67 %	67%
Note	-	-	Weight distributions optimized with Cat body.	-
Suspension
Empty Loaded Cylinder Stroke Front	9.2 in	-	-	-
Empty Loaded Cylinder Stroke Rear	5.9 in	-	-	-
Rear axle - Oscillation	8.9 °	-	+/- 5.32 degrees	+/- 5 degrees
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	-	-	4 in	4.12 in
Effective Cylinder Stroke - Rear	-	-	2 in	3.67 in
Service Refill Capacities
Fuel Tank	140 gal (US)	1300 gal (US)	1300 gal (US)	1000 gal (US)
Cooling System	33 gal (US)	211 gal (US)	211 gal (US)	180 gal (US)
Crankcase	17 gal (US)	82 gal (US)	82 gal (US)	77 gal (US)
Differential - Final Drives	47 gal (US)	-	-	-
Steering Tank	14.5 gal (US)	-	-	-
Steering System - Including Tank	23 gal (US)	-	-	-
Brake/Hoist Hydraulic Tank	38 gal (US)	-	-	-
Brake Hoist System	60 gal (US)	-	-	169 gal (US)
Torque Converter - Transmission System	17 gal (US)	-	-	-
DEF Tank	6 gal (US)	-	-	-
Final Drive - Each	-	67 gal (US)	67 gal (US)	-
Hydraulic Tank	-	296 gal (US)	296 gal (US)	-
Hydraulic System - Including Tank	-	385 gal (US)	385 gal (US)	-
Diesel Exhaust Fluid Tank	-	100 gal (US)	100 gal (US)	62 gal (US)
Note (1)	-	DEF Tank only available for EPA Tier 4 / EU Stage V engine option.	DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option	-
Fuel Tank (Tier 4)	-	-	1200 gal (US)	55 gal (US)
Front Wheels - Each	-	-	7 gal (US)	5.8 gal (US)
Grease Tank	-	-	90 lb	-
Fuel Tank - Standard	-	-	-	550 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)
Steering
Steering Standards	ISO 5010:2007	ISO 5010:2019	ISO 5010:2019	ISO 5010:2019
Steer Angle	40.5 °	39 °	39 °	36.07 °
Turning Diameter - Front	57.7 ft	-	106.3 ft	-
Turning Circle - Clearance Diameter	66.6 ft	-	-	-
Note	Target gross machine operating weight is 71 214 kg (157,000 lb).	Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).	Turning Diameter (ISO 7457:1997)	-
Tires
Standard Tire	18.00R33 (E4)	-	-	-
Note (1)	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.	Quick Change Rims optional.	Quick Change Rims optional
Note (2)	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.	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.
Standard Tires	-	53/80 R63	59/80 R63	37 R57
Rims	-	36" x 63"	44" x 63"	29” x 57” Rims
Optional Tires	-	-	-	40 R57
Optional Tire	-	-	-	42/90 R57
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.	-	-	-
Sound
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.	-	Operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
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.	-	-	-
Sound Standards	-	-	The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.	-
Dimensions
Height - Top of ROPS	12.7 ft	-	-	-
Overall Body Length	26.8 ft	-	-	-
Inside Body Length	18.5 ft	-	-	-
Overall Length	28.9 ft	-	-	-
Wheel Base	13 ft	-	-	-
Rear Axle - Tail	8.5 ft	-	-	-
Ground Clearance	1.6 ft	-	-	-
Dump Clearance	1.7 ft	-	-	-
Loading Height - Empty	10.3 ft	-	-	-
Inside Body Depth - Maximum	4.6 ft	-	-	-
Overall Height - Body Raised	27.1 ft	-	-	-
Operating Width	15.7 ft	-	-	-
Centerline Front Tire Width	10.2 ft	-	-	-
Engine Guard Clearance	1.8 ft	-	-	-
Outside Body Width	12.9 ft	-	-	-
Inside Body Width	11.9 ft	-	-	-
Front Canopy Height	13.5 ft	-	-	-
Rear Axle - Clearance	1.8 ft	-	-	-
Centerline of Rear Dual Tire Width	8.3 ft	-	-	-
Overall Tire Width	12.1 ft	-	-	-
AC Drive System
Total Reduction Ratio	-	35:01:00	35:01:00	-
Top Speed - Loaded	-	37 mile/h	40 mile/h	-
Generator/Alternator	-	Brushless, engine mounted, dual bearing	Cat brushless, engine mounted, dual bearing	-
Controls	-	IGBT Inverter Technology, air cooled, pressurized cabinet with filtration	Cat IGBT Inverter Technology, air cooled, pressurized cabinet with filtration	-
Wheel Motor	-	High-torque AC induction, rear axle mounted	Cat AC induction, rear axle mounted	-
Cooling System	-	Variable speed, hydraulically driven 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	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area	-	20378 in²	20378 in²	12662 in²
Rear - Wet Disc Brake Surface Area	-	30750 in²	30750 in²	20861 in²
Standards	-	ISO 3450:2011	Service and Secondary: ISO 3450:2011	(Service and Secondary) ISO 3450:2011
Parking Brake	-	Four-corner, Multi-disc, Spring applied, Hydraulically Released	Four-corner, Multi-disc, Spring Applied, Hydraulically Released	Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake	-	Rear service brakes	Rear service brakes	-
Dynamic Retarding Power - Continuous	-	5480 hp	5480 hp	-
Note	-	-	Anti-Lock Brake System (ABS) optional with CMD package	-
Capacity - HE Body - 100% fill factor
Struck	-	108-133 m³ (142-175 yd³)	97-153 m³ (127-200 yd³)	-
Heaped (SAE 2:1)	-	180-222 m³ (236-290 yd³)	186-237 m³ (243-310 yd³)	-
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	-	-
Note	-	Contact your local Cat dealer for body recommendations.	Consult your local Cat dealer for body recommendations.	-
Dimensions (Approximate)
Height - Top of ROPS	-	22.25 ft	22.05 ft	5550 mm
Overall Length	-	50.75 ft	51.44 ft	12970 mm
Wheel Base	-	21.83 ft	21.9 ft	57000 mm
Rear Axle - Tail	-	15.5 ft	16.07 ft	3856 mm
Ground Clearance	-	2.67 ft	-	1304 mm
Dump Clearance	-	3 ft	-	1585 mm
Loading Height - Empty	-	22.92 ft	23.85 ft	6147 mm
Overall Height - Body Raised	-	48.42 ft	48.85 ft	11534 mm
Centerline Front Tire Width	-	23 ft	23.06 ft	5410 mm
Front Axle Clearance	-	3.17 ft	-	-
Canopy Width (without optional rock deflectors)	-	29.75 ft	-	-
Outside Body Width	-	29.75 ft	-	7123 mm
Inside Body Width	-	28.08 ft	29.44 ft	6920 mm
Front Canopy Height	-	26.33 ft	-	6739 mm
Rear Axle - Clearance	-	3.08 ft	-	1263 mm
Centerline of Rear Dual Tire Width	-	18.75 ft	19.5 ft	4695 mm
Overall Tire Width	-	28.67 ft	-	7120 mm
Overall Canopy Width	-	31.5 ft	-	7769 mm
Dump Clearance - Empty	-	-	5.72 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	-
Front Canopy Height - Empty	-	-	26.01 ft	-
Rear Axle Clearance - Loaded	-	-	2.8 ft	-
Overall Tire Width - Empty	-	-	30.27 ft	-
Note	-	-	Dimensions listed includes canopy deflectors	-
Overall Body Length	-	-	-	12945 mm
Inside Body Length	-	-	-	8730 mm
Rear Sidewall Height	-	-	-	1010 mm
Inside Body Depth - Maximum	-	-	-	3075 mm
Operating Width	-	-	-	7822 mm
Engine Guard Clearance	-	-	-	1290 mm
Cab
ROPS Standards (1)	-	Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.	ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.	-
FOPS Standards	-	Falling Object Protective Structure (FOPS) 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 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Air Conditioning	-	-	HFC - 134A refrigerant: 21,600 Btu/h	(HFC - 134A refrigerant) 24,500 Btu/hr
Heater / Defroster	-	-	24600 Btu/h	33300 Btu/h
Note	-	-	Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning.	-
ROPS Standards (2)	-	-	-	ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Capacity - HP Body - 100% Fill Factor
Struck	-	-	-	77 m3(101 yd3)
Heaped (SAE 2:1)*	-	-	-	187
Note (1)	-	-	-	Consult your local Cat dealer for body recommendations

Compare Equipment Go Back

770 Off-Highway Truck

794 AC Mining Truck

796 AC Electric Drive Mining Truck

789 Next Generation

Operating Specifications

Engine

Weights - Approximate

Transmission

Final Drives

Brakes

Body Hoists

Capacity - Dual Slope - 100% Fill Factor

Capacity - Flat Floor - 100% Fill Factor

Weight Distributions - Approximate

Suspension

Service Refill Capacities

Steering

Tires

ROPS

Sound

Dimensions

AC Drive System

Braking System

Capacity - HE Body - 100% fill factor

Dimensions (Approximate)

Cab

Capacity - HP Body - 100% Fill Factor

Earthmoving

Parts & Service

Power Systems

Technology

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