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Operating Specifications
	775 Off-Highway Truck View Product	797F Mining Truck View Product Remove	789 Next Generation View Product Remove	785 Mining Truck (LRC, Tier 4 Final / EU Stage V) View Product Remove
Nominal Payload Class (100%)	70.5 ton (US)	-	-	-
Top Speed - Loaded	41.6 mile/h	-	-	-
Maximum Working Payload (110%)	77.5 ton (US)	-	-	-
Target Payload (100%)	70.5 ton (US)	-	-	-
Maximum Allowable Payload (120%)*	84.6 ton (US)	-	-	-
Note (2)	* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.	-	-	-
Note (1)	Capacity with Dual Slope body – no liner.	-	-	-
Body Capacity - SAE 2:1	55.23 yd³	-	-	-
Engine
Engine Model	Cat® C27	Cat® C175-20	Cat® 3516E	Cat 3512E
Rated Engine Speed	1800 r/min	-	-	-
Gross Power - SAE J1995:2014	825 hp	-	2100 hp	-
Net Power - SAE J1349:2011	768 hp	-	1975 hp	-
Net Power - 80/1269/EEC	775 hp	-	-	-
Net Power - ISO 9249	775 hp	-	-	-
Bore	5.4 in	6.9 in	6.7 in	6.7 in
Stroke	6 in	8.7 in	8.5 in	8.5 in
Displacement	1648 in³	6469 in³	4766 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 available for applicable markets.	Optional 1417 kW / 1,900 HP engine rating.	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.	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.	High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.	U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.	Additional fuel optimized selectable power ratings: 1,450 hp
Emissions	Meets EU Stage V emission standards.	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.	-	-
Gross Power - SAE J1995	-	4000 hp	-	1600 hp
Net Power - SAE J1349	-	3795 hp	-	1509 hp
Rated Speed	-	1750 r/min	1650 r/min	-
Emissions Rating	-	-	Fuel Optimized	Fuel Optimized
Capacity - Dual Slope - 100% Fill Factor
Struck	42.7 yd³	-	-	-
Heaped (SAE 2:1)*	55.5 yd³	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	-	-	-
Note (2)	*ISO 6483:1980	-	-	-
Capacity - Flat Floor - 100% Fill Factor
Struck	42.2 yd³	-	-	-
Heaped (SAE 2:1)*	55.2 yd³	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	-	-	-
Note (2)	*ISO 6483:1980	-	-	-
Weight Distributions - Approximate
Front Axle - Empty	50 %	47.20%	50%	48%
Front Axle - Loaded	34 %	33.30%	33%	33%
Rear Axle - Empty	50 %	52.80%	50%	52%
Rear Axle - Loaded	66 %	66.70%	67%	67%
Note	-	Weight distributions optimized with Cat body.	-	Weight distributions optimized with Cat body.
Transmission
Forward - 1	6.6 mile/h	6.6 mile/h	7.8 mile/h	7.4 mile/h
Forward - 2	9.3 mile/h	8.9 mile/h	10.6 mile/h	10 mile/h
Forward - 3	12.6 mile/h	12 mile/h	14.4 mile/h	13.7 mile/h
Forward - 4	16.8 mile/h	16.2 mile/h	19.4 mile/h	18.5 mile/h
Forward - 5	22.8 mile/h	21.8 mile/h	26.3 mile/h	25 mile/h
Forward - 6	30.7 mile/h	29.4 mile/h	35.5 mile/h	35.6 mile/h
Forward - 7	41.6 mile/h	39.5 mile/h	-	-
Reverse	8.7 mile/h	7.4 mile/h	7.3 mile/h	7.2 mile/h
Note	Maximum travel speeds with standard 24.00R35 (E4) tires.	-	-	Maximum travel speeds with standard 33.00-R51 tires.
Top Speed - Loaded	-	39.5 mile/h	35.5 mile/h	35.6 mile/h
Final Drives
Differential Ratio	3.64:1	1.276:1	2.35:1	2:10:01
Planetary Ratio	4.80:1	16.67:1	10.83:1	10.83:1
Total Reduction Ratio	17.49:1	21.26:1	25.46:1	22.75:1
Type	-	Double reduction, planetary with full floating axles.	Double reduction, planetary with full floating axles	Double reduction, planetary with full floating axles.
Note	-	Double reduction, planetary with full floating axles.	-	-
Brakes
Brake Surface - Front	257 in²	-	-	-
Brake Surface - Rear	9497 in²	-	-	-
Brake Standards	ISO 3450:2011	-	-	-
Service Refill Capacities
Fuel Tank	210 gal (US)	1000 gal (US)	1000 gal (US)	410 gal (US)
Cooling System	45 gal (US)	306 gal (US)	180 gal (US)	126 gal (US)
Differential - Final Drives	38 gal (US)	-	-	139 gal (US)
Steering Tank	9.5 gal (US)	67 gal (US)	-	29 gal (US)
Steering System - Including Tank	14 gal (US)	95 gal (US)	-	-
Brake Hoist System	85 gal (US)	-	169 gal (US)	-
Torque Converter - Transmission System - LRC	16 gal (US)	-	-	-
Crankcase	24 gal (US)	103 gal (US)	77 gal (US)	54 gal (US)
Brake/Hoist Hydraulic Tank	46.5 gal (US)	-	-	-
Torque Converter - Transmission System - HRC	18 gal (US)	-	-	-
Fuel Tank (Tier 4)	-	1200 gal (US)	55 gal (US)	-
Diesel Exhaust Fluid Tank	-	100 gal (US)	62 gal (US)	36 gal (US)
Front Wheels - Each	-	16 gal (US)	5.8 gal (US)	7.1 gal (US)
Differentials	-	330 gal (US)	161 gal (US)	-
Brake/Hoist Tank	-	203 gal (US)	-	135 gal (US)
Brake Hoist System - Includes Tank	-	489 gal (US)	347 gal (US)	143 gal (US)
Torque Converter Sump	-	80 gal (US)	-	-
Torque Converter/Transmission System - Including Sump	-	166 gal (US)	-	-
Note (1)	-	DEF Tank only available for EPA Tier 4 engine option.	-	-
Fuel Tank - Standard	-	-	550 gal (US)	-
Steering System	-	-	42 gal (US)	-
Steering System - Includes Tank	-	-	46 gal (US)	31 gal (US)
Torque Converter - Transmission System - Including Sump	-	-	55 gal (US)	46 gal (US)
Body Hoists
Pump Flow - High Idle	118 gpm	317 gpm	106.5 gpm	223 gpm
Relief Valve Setting - Raise	2502 psi	3510 psi	2749 psi	2500 psi
Relief Valve Setting - Lower	500 psi	-	-	-
Body Raise Time - High Idle	10 s	25 s	14 s	15 s
Body Lower Time - Float	14 s	18 s	16 s	15.6 s
Body Power Down - High Idle	14 s	-	-	-
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.
Body Power Down- High Idle	-	18 s	-	15.5 s
Weights - Approximate
Maximum Gross Vehicle Weight	246503 lb	-	-	-
Nominal Rated Payload	-	400 ton (US)	213 ton (US)	-
Rated Gross Machine Weight	-	1375000 lb	715000 lb	-
Chassis Weight	-	474472 lb	-	-
Body Weight	-	94799 lb	60406 lb	57779 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 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.	Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Note (4)	-	Tier 4 Chassis Weight: 486263 lb (220565 kg)	-	-
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)	-	-	-	187736 lb
Chassis Weight (36.00R51 Tires)	-	-	-	192959 lb
Note (3)	-	-	-	Unlined HP Body. Body weight varies depending on body selection and configuration.
Suspension
Empty Loaded Cylinder Stroke Front	9.2 in	-	-	-
Rear Axle - Oscillation	8.1°	-	-	-
Empty Loaded Cylinder Stroke Rear	5.8 in	-	-	-
Type	-	Self-contained nitrogen/oil cylinders, rear strut 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, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front	-	3.9 in	4.12 in	12.6 in
Effective Cylinder Stroke - Rear	-	3.7 in	3.67 in	6.5 in
Rear axle - Oscillation	-	±3.96 degrees	+/- 5 degrees	+/- 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 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.	Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.	Quick Change Rims optional	Quick Change Rims optional.
Standard Tire	24.00R35 (E4)	-	-	-
Tires	-	59/80 R63	-	-
Rims	-	44 x 63	29” x 57” Rims	610 mm (24") Rims (optional). 660 mm (26") Rims (optional).
Note	-	Quick Change Rims optional.	-	-
Standard Tires	-	-	37 R57	-
Optional Tires	-	-	40 R57	33.00R51
Optional Tire	-	-	42/90 R57	36.00R51
ROPS
FOPS Standards	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.	-	-	-
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	-	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)	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).	Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008	-	-
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.	-	-	-
Sound Standards	-	-	-	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	122.7 ft	-	-
Steering Standards	ISO 5010:2007	ISO 5010:2019	ISO 5010:2019	ISO 5010:2019
Steer Angle	31 °	-	36.07 °	25.1 °
Turning Circle - Clearance Diameter	85.6 ft	-	-	-
Steering Angle	-	40 °	-	-
Note	-	Turning Diameter (ISO 7457:2009)	-	-
Turning Diameter - ISO 7457:1997 (33.00R51 tires)	-	-	-	96.6 ft
Sustainability
Recyclability	98%	-	-	-
Braking System
Service Brakes	-	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	-	20500 in²	12662 in²	9487 in²
Rear - Wet Disc Brake Surface Area	-	30750 in²	20861 in²	13908 in²
Standards	-	Service and Secondary: 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	-	-
Note	-	Anti-Lock Brake System (ABS) optional with CMD package	-	-
Capacity - HP Body - 100% Fill Factor
Struck	-	225 yd³ / 172 m³	77 m3(101 yd3)	84 m3 / 110 yd3
Heaped (SAE 2:1)*	-	330 yd³ / 252 m³	187	110 m3 / 144 yd3
Note (1)	-	Consult your local Cat dealer for body recommendations.	Consult your local Cat dealer for body recommendations	-
Cab
Air Conditioning	-	HFC - 134A refrigerant: 24,300 Btu/h	(HFC - 134A refrigerant) 24,500 Btu/hr	HFC - 134A refrigerant: 24,500 Btu/h
Heater / Defroster	-	38900 Btu/h	33300 Btu/h	33300 Btu/h
Note	-	Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.	-	-
FOPS Standards	-	FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II	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.
ROPS Standards (2)	-	ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012	ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.	-
ROPS Standards (1)	-	-	-	ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
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	-	-
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	-
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

797F Mining Truck

789 Next Generation

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

Braking System

Capacity - HP Body - 100% Fill Factor

Cab

Dimensions

Dimensions (Approximate)

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

Earthmoving

Parts & Service

Power Systems

Technology

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