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Operating Specifications
	775 Off-Highway Truck View Product	796 AC Electric Drive Mining Truck View Product Remove	770 Off-Highway Truck View Product Remove	785 Mining Truck (LRC, Tier 4 Final / EU Stage V) View Product Remove
Nominal Payload Class (100%)	70.5 ton (US)	-	42.1 ton (US)	-
Top Speed - Loaded	41.6 mile/h	-	45.8 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	-
Engine
Engine Model	Cat® C27	Cat® C175-16	Cat® C15	Cat 3512E
Rated Engine Speed	1800 r/min	-	1700 r/min	-
Gross Power - SAE J1995:2014	825 hp	-	515 hp	-
Net Power - SAE J1349:2011	768 hp	-	477 hp	-
Net Power - 80/1269/EEC	775 hp	-	489 hp	-
Net Power - ISO 9249	775 hp	-	477 hp	-
Bore	5.4 in	6.9 in	5.4 in	6.7 in
Stroke	6 in	8.7 in	6.7 in	8.5 in
Displacement	1648 in³	5187 in³	927.6 in³	3573 in³
Engine Power - ISO 14396	812 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).	U.S. EPA Tier 4 Final / EU Stage V 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).	U.S. 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.	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.	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.	Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp	No engine derating required up to 3000 m (9,843 ft) altitude.	Additional fuel optimized selectable power ratings: 1,450 hp
Emissions	Meets EU Stage V emission standards.	-	Meets U.S. EPA Tier 4 and EU Stage V emission standards.	-
Gross Power - SAE J1995	-	3500 hp	-	1600 hp
Net Power - SAE J1349	-	3405 hp	-	1509 hp
Rated Speed	-	1800 r/min	-	-
Emissions Rating	-	Fuel Optimized	-	Fuel Optimized
Net Power - ISO 14396	-	-	508 hp	-
Net Torque - SAE J1349	-	-	1834 ft·lbf	-
Number of Cylinders	-	-	6	-
Note (4)	-	-	Meets Japan Small Volume Exemption.	-
Capacity - Dual Slope - 100% Fill Factor
Struck	42.7 yd³	-	23.01 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.	-
Capacity - Flat Floor - 100% Fill Factor
Struck	42.2 yd³	-	23.01 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.	-
Weight Distributions - Approximate
Front Axle - Empty	50 %	47 %	49 %	48%
Front Axle - Loaded	34 %	33 %	34 %	33%
Rear Axle - Empty	50 %	53 %	51 %	52%
Rear Axle - Loaded	66 %	67 %	66 %	67%
Note	-	Weight distributions optimized with Cat body.	-	Weight distributions optimized with Cat body.
Transmission
Forward - 1	6.6 mile/h	-	7.4 mile/h	7.4 mile/h
Forward - 2	9.3 mile/h	-	10.1 mile/h	10 mile/h
Forward - 3	12.6 mile/h	-	13.8 mile/h	13.7 mile/h
Forward - 4	16.8 mile/h	-	18.5 mile/h	18.5 mile/h
Forward - 5	22.8 mile/h	-	25.1 mile/h	25 mile/h
Forward - 6	30.7 mile/h	-	33.8 mile/h	35.6 mile/h
Forward - 7	41.6 mile/h	-	45.8 mile/h	-
Reverse	8.7 mile/h	-	8.8 mile/h	7.2 mile/h
Note	Maximum travel speeds with standard 24.00R35 (E4) tires.	-	Maximum travel speeds with standard 18.00R33 (E4) tires.	Maximum travel speeds with standard 33.00-R51 tires.
Top Speed - Loaded	-	-	-	35.6 mile/h
Final Drives
Differential Ratio	3.64:1	-	1.92:1	2:10:01
Planetary Ratio	4.80:1	-	4.80:1	10.83:1
Total Reduction Ratio	17.49:1	-	9.26:1	22.75:1
Type	-	-	-	Double reduction, planetary with full floating axles.
Brakes
Brake Surface - Front	257 in²	-	216 in²	-
Brake Surface - Rear	9497 in²	-	6235 in²	-
Brake Standards	ISO 3450:2011	-	ISO 3450:2011	-
Note	-	-	Target gross machine operating weight is 71 214 kg (157,000 lb).	-
Service Refill Capacities
Fuel Tank	210 gal (US)	1300 gal (US)	140 gal (US)	410 gal (US)
Cooling System	45 gal (US)	211 gal (US)	33 gal (US)	126 gal (US)
Differential - Final Drives	38 gal (US)	-	47 gal (US)	139 gal (US)
Steering Tank	9.5 gal (US)	-	14.5 gal (US)	29 gal (US)
Steering System - Including Tank	14 gal (US)	-	23 gal (US)	-
Brake Hoist System	85 gal (US)	-	60 gal (US)	-
Torque Converter - Transmission System - LRC	16 gal (US)	-	-	-
Crankcase	24 gal (US)	82 gal (US)	17 gal (US)	54 gal (US)
Brake/Hoist Hydraulic Tank	46.5 gal (US)	-	38 gal (US)	-
Torque Converter - Transmission System - HRC	18 gal (US)	-	-	-
Fuel Tank (Tier 4)	-	1200 gal (US)	-	-
Diesel Exhaust Fluid Tank	-	100 gal (US)	-	36 gal (US)
Front Wheels - Each	-	7 gal (US)	-	7.1 gal (US)
Final Drive - Each	-	67 gal (US)	-	-
Hydraulic Tank	-	296 gal (US)	-	-
Hydraulic System - Including Tank	-	385 gal (US)	-	-
Grease Tank	-	90 lb	-	-
Note (1)	-	DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option	-	-
Torque Converter - Transmission System	-	-	17 gal (US)	-
DEF Tank	-	-	6 gal (US)	-
Steering System - Includes Tank	-	-	-	31 gal (US)
Brake/Hoist Tank	-	-	-	135 gal (US)
Brake Hoist System - Includes Tank	-	-	-	143 gal (US)
Torque Converter - Transmission System - Including Sump	-	-	-	46 gal (US)
Body Hoists
Pump Flow - High Idle	118 gal/min	257.3 gal/min	118 gal/min	223 gal/min
Relief Valve Setting - Raise	2502 psi	3029 psi	2750 psi	2500 psi
Relief Valve Setting - Lower	500 psi	-	500 psi	-
Body Raise Time - High Idle	10 s	21 s	7.5 s	15 s
Body Lower Time - Float	14 s	22 s	10 s	15.6 s
Body Power Down - High Idle	14 s	-	10 s	-
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	-	15.5 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.	-	-
Weights - Approximate
Maximum Gross Vehicle Weight	246503 lb	-	-	-
Nominal Rated Payload	-	360 ton (US)	-	-
Rated Gross Machine Weight	-	1270000 lb	-	-
Chassis Weight	-	448415 lb	55948 lb	-
Body Weight Range	-	38 833 – 42 907 kg (85,611 – 94,594 lb)	-	-
Note (1)	-	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 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)	-	Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations	-	Body weight varies depending on body selection and configuration.
Target Gross Machine Operating Weight	-	-	157000 lb	-
Target Gross Machine Weight	-	-	157000 lb	-
Body Weight	-	-	17306 lb	57779 lb
Nominal Rated Payload (36.00R51 Tires)	-	-	-	162 ton (US)
Rated Gross Machine Weight (36.00R51 tires)	-	-	-	564000 lb
Nominal Rated Payload (33.00R51 Tires)	-	-	-	158 ton (US)
Rated Gross Machine Weight (33.00R51 tires)	-	-	-	550000 lb
Chassis Weight (33.00R51 Tires)	-	-	-	186799 lb
Chassis Weight (36.00R51 Tires)	-	-	-	193192 lb
Suspension
Empty Loaded Cylinder Stroke Front	9.2 in	-	9.2 in	-
Rear Axle - Oscillation	8.1°	-	-	-
Empty Loaded Cylinder Stroke Rear	5.8 in	-	5.9 in	-
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 & bottom double shear clevis attachments
Effective Cylinder Stroke - Front	-	4 in	-	12.6 in
Effective Cylinder Stroke - Rear	-	2 in	-	6.5 in
Rear axle - Oscillation	-	+/- 5.32 degrees	8.9 °	+/- 5.4 degrees
Tires
Note (2)	Caterpillar recommends the customer evaluate all job conditions and consult 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 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.
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.	Quick Change Rims optional.	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.
Standard Tire	24.00R35 (E4)	-	18.00R33 (E4)	33.00R51
Standard Tires	-	59/80 R63	-	-
Rims	-	44" x 63"	-	610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
Optional Tire	-	-	-	36.00R51
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.	-
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.	-
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.	-
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).	-
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.	-
Sound Standards	-	The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.	-	The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
Steering
Turning Diameter - Front	77.1 ft	106.3 ft	57.7 ft	-
Steering Standards	ISO 5010:2007	ISO 5010:2019	ISO 5010:2007	ISO 5010:2019
Steer Angle	31 °	39 °	40.5 °	25.1 °
Turning Circle - Clearance Diameter	85.6 ft	-	66.6 ft	-
Note	-	Turning Diameter (ISO 7457:1997)	Target gross machine operating weight is 71 214 kg (157,000 lb).	-
Turning Diameter - ISO 7457:1997 (33.00R51 tires)	-	-	-	96.6 ft
Sustainability
Recyclability	98%	-	-	-
AC Drive System
Total Reduction Ratio	-	35:01:00	-	-
Top Speed - Loaded	-	40 mile/h	-	-
Generator/Alternator	-	Cat brushless, engine mounted, dual bearing	-	-
Controls	-	Cat IGBT Inverter Technology, air cooled, pressurized cabinet with filtration	-	-
Wheel Motor	-	Cat 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
Front Wet Disc Brake Surface Area	-	20378 in²	-	9487 in²
Rear - Wet Disc Brake Surface Area	-	30750 in²	-	13908 in²
Standards	-	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
Load Brake	-	Rear service brakes	-	-
Dynamic Retarding Power - Continuous	-	5480 hp	-	-
Note	-	Anti-Lock Brake System (ABS) optional with CMD package	-	-
Capacity - HE Body - 100% fill factor
Struck	-	97-153 m³ (127-200 yd³)	-	-
Heaped (SAE 2:1)	-	186-237 m³ (243-310 yd³)	-	-
Note	-	Consult your local Cat dealer for body recommendations.	-	-
Cab
Air Conditioning	-	HFC - 134A refrigerant: 21,600 Btu/h	-	HFC - 134A refrigerant: 24,500 Btu/h
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 (1)	-	ROPS (Rollover Protective Structure) meets ISO 3471:2008 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	-	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.
Dimensions (Approximate)
Height - Top of ROPS	-	22.05 ft	-	-
Overall Length	-	51.44 ft	-	-
Wheel Base	-	21.9 ft	-	-
Rear Axle - Tail	-	16.07 ft	-	-
Dump Clearance - Empty	-	5.72 ft	-	-
Loading Height - Empty	-	23.85 ft	-	-
Overall Height - Body Raised	-	48.85 ft	-	-
Centerline Front Tire Width	-	23.06 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	-	-
Front Canopy Height - Empty	-	26.01 ft	-	-
Rear Axle Clearance - Loaded	-	2.8 ft	-	-
Centerline of Rear Dual Tire Width	-	19.5 ft	-	-
Overall Tire Width - Empty	-	30.27 ft	-	-
Note	-	Dimensions listed includes canopy deflectors	-	-
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	-
Capacity - MSD II - 100% Fill Factor
Struck	-	-	-	72 m^3 / 94 yd^3
Heaped (SAE 2:1)	-	-	-	99 m^3 / 129 yd^3
Note	-	-	-	Consult your local Cat dealer for body recommendations.
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
Height - Top of ROPS	-	-	-	17.09 ft
Overall Body Length	-	-	-	39.32 ft
Inside Body Length	-	-	-	27.29 ft
Overall Length	-	-	-	39.23 ft
Wheel Base	-	-	-	17 ft
Rear Axle - Tail	-	-	-	12.56 ft
Ground Clearance	-	-	-	3.29 ft
Dump Clearance	-	-	-	3.7 ft
Loading Height - Empty	-	-	-	17.39 ft
Inside Body Depth - Maximum	-	-	-	9.15 ft
Overall Height - Body Raised	-	-	-	39.48 ft
Operating Width	-	-	-	24.72 ft
Centerline Front Tire Width	-	-	-	15.91 ft
Engine Guard Clearance	-	-	-	3.41 ft
Overall Canopy Width	-	-	-	24.81 ft
Outside Body Width	-	-	-	22 ft
Inside Body Width	-	-	-	19.72 ft
Front Canopy Height	-	-	-	19.8 ft
Rear Axle - Clearance	-	-	-	3.25 ft
Centerline of Rear Dual Tire Width	-	-	-	14.06 ft
Overall Tire Width	-	-	-	20.59 ft

Compare Equipment Go Back

775 Off-Highway Truck

796 AC Electric Drive Mining Truck

770 Off-Highway Truck

785 Mining Truck (LRC, Tier 4 Final / EU Stage V)

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

AC Drive System

Braking System

Capacity - HE Body - 100% fill factor

Cab

Dimensions (Approximate)

Dimensions

Capacity - MSD II - 100% Fill Factor

Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)

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