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Operating Specifications
	775 Off-Highway Truck View Product	770 Off-Highway Truck View Product Remove	772 (07) Off-Highway Truck View Product Remove	789 Next Generation View Product Remove	793F Mining Truck View Product Remove
Nominal Payload Class (100%)	70.5 ton (US)	42.1 ton (US)	51.6 ton (US)	-	-
Top Speed - Loaded	41.6 mile/h	45.8 mile/h	49.2 mile/h	-	-
Maximum Working Payload (110%)	77.5 ton (US)	46.3 ton (US)	-	-	-
Target Payload (100%)	70.5 ton (US)	42.1 ton (US)	-	-	-
Maximum Allowable Payload (120%)*	84.6 ton (US)	50.5 ton (US)	-	-	-
Note (2)	* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.	Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.	-	-	-
Note (1)	Capacity with Dual Slope body – no liner.	*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.	-	-	-
Body Capacity - SAE 2:1	55.23 yd³	32.9 yd³	40.8 yd³	-	-
Maximum Payload Class (110%)	-	-	56.7 ton (US)	-	-
Target Payload Capacity	-	-	51.6 ton (US)	-	-
Not to Exceed Payload (120%)	-	-	61.9 ton (US)	-	-
Body Capacity (SAE 2:1)**	-	-	40.8 yd³	-	-
Engine
Engine Model	Cat® C27	Cat® C15	Cat® C18	Cat® 3516E	Cat® C175-16
Rated Engine Speed	1800 r/min	1700 r/min	1700 r/min	-	-
Gross Power - SAE J1995:2014	825 hp	515 hp	605 hp	2100 hp	-
Net Power - SAE J1349:2011	768 hp	477 hp	550 hp	1975 hp	-
Net Power - 80/1269/EEC	775 hp	489 hp	-	-	-
Net Power - ISO 9249	775 hp	477 hp	550 hp	-	-
Bore	5.4 in	5.4 in	5.7 in	6.7 in	6.9 in
Stroke	6 in	6.7 in	7.2 in	8.5 in	8.7 in
Displacement	1648 in³	927.6 in³	1105 in³	4766 in³	5187 in³
Engine Power - ISO 14396	812 hp	-	598 hp	-	-
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).	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).	-	Optional 1417 kW / 1,900 HP engine rating.	EPA Tier 4 Final / EU Stage V available for applicable markets.
Net Torque	3148 ft-lb	-	-	-	-
Peak Torque - Speed	1200 r/min	-	-	-	-
Note (1)	Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.	Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.	-	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 (3)	No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent.	No engine derating required up to 3000 m (9,843 ft) altitude.	-	U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.	-
Emissions	Meets EU Stage V emission standards.	Meets U.S. EPA Tier 4 and EU Stage V emission standards.	-	-	Fuel Optimized
Net Power - ISO 14396	-	508 hp	-	-	-
Net Torque - SAE J1349	-	1834 ft·lbf	2221 ft-lb	-	-
Number of Cylinders	-	6	6	-	-
Note (4)	-	Meets Japan Small Volume Exemption.	-	-	-
Rated Speed	-	-	-	1650 r/min	1750 r/min
Emissions Rating	-	-	-	Fuel Optimized	-
Gross Power - SAE J1995	-	-	-	-	2650 hp
Net Power - SAE J1349	-	-	-	-	2478 hp
Capacity - Dual Slope - 100% Fill Factor
Struck	42.7 yd³	23.01 yd³	31.3 yd³	-	-
Heaped (SAE 2:1)*	55.5 yd³	32.9 yd³	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	Contact your local Cat dealer for body recommendation.	-	-	-
Note (2)	*ISO 6483:1980	*ISO 6483:1980.	-	-	-
Heaped 2:1 (SAE)	-	-	40.8 yd³	-	-
Capacity - Flat Floor - 100% Fill Factor
Struck	42.2 yd³	23.01 yd³	31.3 yd³	-	-
Heaped (SAE 2:1)*	55.2 yd³	32.9 yd³	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	Contact your local Cat dealer for body recommendation.	-	-	-
Note (2)	*ISO 6483:1980	*ISO 6483:1980.	-	-	-
Heaped 2:1 (SAE)	-	-	40.9 yd³	-	-
Weight Distributions - Approximate
Front Axle - Empty	50 %	49 %	51.4 %	50%	48 %
Front Axle - Loaded	34 %	34 %	34.2 %	33%	33 %
Rear Axle - Empty	50 %	51 %	48.6 %	50%	52 %
Rear Axle - Loaded	66 %	66 %	65.8 %	67%	67 %
Transmission
Forward - 1	6.6 mile/h	7.4 mile/h	8 mile/h	7.8 mile/h	8 mile/h
Forward - 2	9.3 mile/h	10.1 mile/h	10.9 mile/h	10.6 mile/h	10.8 mile/h
Forward - 3	12.6 mile/h	13.8 mile/h	14.8 mile/h	14.4 mile/h	14.8 mile/h
Forward - 4	16.8 mile/h	18.5 mile/h	19.8 mile/h	19.4 mile/h	19.9 mile/h
Forward - 5	22.8 mile/h	25.1 mile/h	26.9 mile/h	26.3 mile/h	27.1 mile/h
Forward - 6	30.7 mile/h	33.8 mile/h	36.2 mile/h	35.5 mile/h	37.3 mile/h
Forward - 7	41.6 mile/h	45.8 mile/h	49.2 mile/h	-	-
Reverse	8.7 mile/h	8.8 mile/h	10.4 mile/h	7.3 mile/h	7.3 mile/h
Note	Maximum travel speeds with standard 24.00R35 (E4) tires.	Maximum travel speeds with standard 18.00R33 (E4) tires.	-	-	-
Top Speed - Loaded	-	-	-	35.5 mile/h	37.3 mile/h
Final Drives
Differential Ratio	3.64:1	1.92:1	2.74:1	2.35:1	1.8:1
Planetary Ratio	4.80:1	4.80:1	4.80:1	10.83:1	16:01
Total Reduction Ratio	17.49:1	9.26:1	13.14:1	25.46:1	26.8:1
Type	-	-	-	Double reduction, planetary with full floating axles	-
Brakes
Brake Surface - Front	257 in²	216 in²	216 in²	-	13921 in²
Brake Surface - Rear	9497 in²	6235 in²	7794 in²	-	20847 in²
Brake Standards	ISO 3450:2011	ISO 3450:2011	ISO 3450:2011	-	-
Note	-	Target gross machine operating weight is 71 214 kg (157,000 lb).	-	-	-
Standards	-	-	-	-	J-ISO 3450 JAN88, ISO 3450:1996
Service Refill Capacities
Fuel Tank	210 gal (US)	140 gal (US)	140 gal (US)	1000 gal (US)	750 gal (US)
Cooling System	45 gal (US)	33 gal (US)	33 gal (US)	180 gal (US)	284 gal (US)
Differential - Final Drives	38 gal (US)	47 gal (US)	47 gal (US)	-	-
Steering Tank	9.5 gal (US)	14.5 gal (US)	14.5 gal (US)	-	-
Steering System - Including Tank	14 gal (US)	23 gal (US)	23 gal (US)	-	77 gal (US)
Brake Hoist System	85 gal (US)	60 gal (US)	60 gal (US)	169 gal (US)	-
Torque Converter - Transmission System - LRC	16 gal (US)	-	-	-	-
Crankcase	24 gal (US)	17 gal (US)	17 gal (US)	77 gal (US)	82 gal (US)
Brake/Hoist Hydraulic Tank	46.5 gal (US)	38 gal (US)	38 gal (US)	-	-
Torque Converter - Transmission System - HRC	18 gal (US)	-	-	-	-
Torque Converter - Transmission System	-	17 gal (US)	17 gal (US)	-	-
DEF Tank	-	6 gal (US)	6 gal (US)	-	-
Fuel Tank - Standard	-	-	-	550 gal (US)	-
Fuel Tank (Tier 4)	-	-	-	55 gal (US)	-
Diesel Exhaust Fluid Tank	-	-	-	62 gal (US)	62 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)	-
Brake Hoist System - Includes Tank	-	-	-	347 gal (US)	347 gal (US)
Torque Converter - Transmission System - Including Sump	-	-	-	55 gal (US)	-
Fuel Tank - Optional	-	-	-	-	1300 gal (US)
Rear Axle - Housing	-	-	-	-	260 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.
Body Hoists
Pump Flow - High Idle	118 gal/min	118 gal/min	112 gal/min	106.5 gal/min	224 gal/min
Relief Valve Setting - Raise	2502 psi	2750 psi	2750 psi	2749 psi	2955 psi
Relief Valve Setting - Lower	500 psi	500 psi	500 psi	-	-
Body Raise Time - High Idle	10 s	7.5 s	8 s	14 s	19 s
Body Lower Time - Float	14 s	10 s	10 s	16 s	20 s
Body Power Down - High Idle	14 s	10 s	10 s	-	17.5 s
Type	-	-	-	Twin, two-stage hydraulic cylinders with snubbing valve.	Twin, two-stage hydraulic cylinders with snubbing valve
Weights - Approximate
Maximum Gross Vehicle Weight	246503 lb	-	-	-	-
Target Gross Machine Operating Weight	-	157000 lb	181000 lb	-	-
Target Gross Machine Weight	-	157000 lb	181000 lb	-	-
Chassis Weight	-	55948 lb	59223 lb	-	265639 lb
Body Weight	-	17306 lb	17306 lb	60406 lb	67682 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
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 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.
Nominal Rated Payload	-	-	-	213 ton (US)	256 ton (US)
Rated Gross Machine Weight	-	-	-	715000 lb	851000 lb
Note (3)	-	-	-	-	Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations.
Suspension
Empty Loaded Cylinder Stroke Front	9.2 in	9.2 in	9.2 in	-	-
Rear Axle - Oscillation	8.1°	-	-	-	-
Empty Loaded Cylinder Stroke Rear	5.8 in	5.9 in	5.8 in	-	-
Rear axle - Oscillation	-	8.9 °	8.9 °	+/- 5 degrees	±4.9 degrees
Type	-	-	-	Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments	Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front	-	-	-	4.12 in	5.1 in
Effective Cylinder Stroke - Rear	-	-	-	3.67 in	4.2 in
Tires
Note (2)	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.	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.
Note (1)	Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	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	Extended life wheel stations optional.
Standard Tire	24.00R35 (E4)	18.00R33 (E4)	21.00R33 (E4)	-	-
Standard Tires	-	-	-	37 R57	40.00 R57
Optional Tires	-	-	-	40 R57	-
Optional Tire	-	-	-	42/90 R57	-
Rims	-	-	-	29” x 57” Rims	29" or 32"
Note	-	-	-	-	Quick Change Rims optional.
ROPS
FOPS Standards	Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.	Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.	FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.	-	FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria.
ROPS Standards	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	-	-
Sound
Sound Standards (1)	The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t	Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.	Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.	Operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.	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 (2)	The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A).	Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).	Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A).	-	-
Sound Standards (3)	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.	Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.	Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.	-	-
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.
Steering
Turning Diameter - Front	77.1 ft	57.7 ft	57.7 ft	-	93.2 ft
Steering Standards	ISO 5010:2007	ISO 5010:2007	ISO 5010:2007	ISO 5010:2019	SAE J15111 OCT90, ISO 5010:1992
Steer Angle	31 °	40.5 °	40.5 °	36.07 °	36 °
Turning Circle - Clearance Diameter	85.6 ft	66.6 ft	66.6 ft	-	-
Note	-	Target gross machine operating weight is 71 214 kg (157,000 lb).	-	-	-
Sustainability
Recyclability	98%	-	-	-	-
Dimensions
Height - Top of ROPS	-	12.7 ft	12.8 ft	-	-
Overall Body Length	-	26.8 ft	26.8 ft	-	-
Inside Body Length	-	18.5 ft	19 ft	-	-
Overall Length	-	28.9 ft	28.9 ft	-	-
Wheel Base	-	13 ft	13 ft	-	-
Rear Axle - Tail	-	8.5 ft	9.5 ft	-	-
Ground Clearance	-	1.6 ft	1.6 ft	-	-
Dump Clearance	-	1.7 ft	1.5 ft	-	-
Loading Height - Empty	-	10.3 ft	11.6 ft	-	-
Inside Body Depth - Maximum	-	4.6 ft	5.7 ft	-	-
Overall Height - Body Raised	-	27.1 ft	27.1 ft	-	-
Operating Width	-	15.7 ft	15.7 ft	-	-
Centerline Front Tire Width	-	10.2 ft	10.4 ft	-	-
Engine Guard Clearance	-	1.8 ft	2 ft	-	-
Outside Body Width	-	12.9 ft	12.9 ft	-	-
Inside Body Width	-	11.9 ft	11.9 ft	-	-
Front Canopy Height	-	13.5 ft	13.7 ft	-	-
Rear Axle - Clearance	-	1.8 ft	1.9 ft	-	-
Centerline of Rear Dual Tire Width	-	8.3 ft	8.7 ft	-	-
Overall Tire Width	-	12.1 ft	12.9 ft	-	-
Braking System
Service Brakes	-	-	-	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area	-	-	-	12662 in²	13921 in³
Rear - Wet Disc Brake Surface Area	-	-	-	20861 in²	20847 in³
Standards	-	-	-	(Service and Secondary) ISO 3450:2011	(Service and Secondary): ISO 3450:1996
Parking Brake	-	-	-	Four-corner, Multi-disc, Spring applied, Hydraulically Released	-
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
Capacity - HP Body - 100% Fill Factor
Struck	-	-	-	77 m3(101 yd3)	112.6-151 m³ (147-197.5 yd³)
Heaped (SAE 2:1)*	-	-	-	187	162-191 m³ (212-250 yd³)
Note (1)	-	-	-	Consult your local Cat dealer for body recommendations	Contact your local Cat dealer for body recommendation.
Note (2)	-	-	-	-	*ISO 6483:1980
Cab
Air Conditioning	-	-	-	(HFC - 134A refrigerant) 24,500 Btu/hr	Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr
Heater / Defroster	-	-	-	33300 Btu/h	38900 Btu/h
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.
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.
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.
Dimensions (Approximate)
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	-
Capacity - MSD II - 100% Fill Factor
Note	-	-	-	-	Contact your local Cat dealer for body recommendation.
Struck	-	-	-	-	112-142 m³ (146-186 yd³)
Heaped (SAE 2:1)	-	-	-	-	159-190 m3 (209-250 yd3)

Compare Equipment Go Back

775 Off-Highway Truck

770 Off-Highway Truck

772 (07) Off-Highway Truck

789 Next Generation

793F Mining Truck

Operating Specifications

Engine

Capacity - Dual Slope - 100% Fill Factor

Capacity - Flat Floor - 100% Fill Factor

Weight Distributions - Approximate

Transmission

Final Drives

Brakes

Service Refill Capacities

Body Hoists

Weights - Approximate

Suspension

Tires

ROPS

Sound

Steering

Sustainability

Dimensions

Braking System

Capacity - HP Body - 100% Fill Factor

Cab

Dimensions (Approximate)

Capacity - MSD II - 100% Fill Factor

Earthmoving

Parts & Service

Power Systems

Technology

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