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Operating Specifications
	770 Off-Highway Truck View Product	MH3022 Wheel Material Handler View Product Remove	772 (07) Off-Highway Truck View Product Remove	785 Mining Truck (LRC, Tier 4 Final / EU Stage V) View Product Remove
Nominal Payload Class (100%)	42.1 ton (US)	-	51.6 ton (US)	-
Top Speed - Loaded	45.8 mile/h	-	49.2 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	-	40.8 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.	-	-	-
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® C15	Cat C4.4	Cat® C18	Cat 3512E
Rated Engine Speed	1700 r/min	-	1700 r/min	-
Gross Power - SAE J1995:2014	515 hp	-	605 hp	-
Net Power - SAE J1349:2011	477 hp	-	550 hp	-
Net Power - ISO 9249	477 hp	145 hp	550 hp	-
Net Power - 80/1269/EEC	489 hp	-	-	-
Net Power - ISO 14396	508 hp	-	-	-
Net Torque - SAE J1349	1834 ft·lbf	-	2221 ft-lb	-
Number of Cylinders	6	-	6	-
Bore	5.4 in	4.1 in	5.7 in	6.7 in
Stroke	6.7 in	5 in	7.2 in	8.5 in
Displacement	927.6 in³	268.5 in³	1105 in³	3573 in³
Note (1)	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 fan, air intake system, exhaust system, and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time	-	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).	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO	-	U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3)	No engine derating required up to 3000 m (9,843 ft) altitude.	-	-	Additional fuel optimized selectable power ratings: 1,450 hp
Note (4)	Meets Japan Small Volume Exemption.	-	-	-
Emissions	Meets U.S. EPA Tier 4 and EU Stage V emission standards.	Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.	-	-
Net Power - ISO 9249 (DIN)	-	147 hp (metric)	-	-
Engine Power - Maximum - ISO 14396	-	148 hp	-	-
Engine Power - ISO 14396 (DIN)	-	150 hp (metric)	-	-
Biodiesel Capability	-	Up to B20¹	-	-
Engine Power - ISO 14396	-	-	598 hp	-
Gross Power - SAE J1995	-	-	-	1600 hp
Net Power - SAE J1349	-	-	-	1509 hp
Emissions Rating	-	-	-	Fuel Optimized
Weights - Approximate
Target Gross Machine Operating Weight	157000 lb	-	181000 lb	-
Target Gross Machine Weight	157000 lb	-	181000 lb	-
Chassis Weight	55948 lb	-	59223 lb	-
Body Weight	17306 lb	-	17306 lb	57779 lb
Note (1)	Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.	-	-	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.
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
Note (3)	-	-	-	Body weight varies depending on body selection and configuration.
Transmission
Forward - 1	7.4 mile/h	-	8 mile/h	7.4 mile/h
Forward - 2	10.1 mile/h	-	10.9 mile/h	10 mile/h
Forward - 3	13.8 mile/h	-	14.8 mile/h	13.7 mile/h
Forward - 4	18.5 mile/h	-	19.8 mile/h	18.5 mile/h
Forward - 5	25.1 mile/h	-	26.9 mile/h	25 mile/h
Forward - 6	33.8 mile/h	-	36.2 mile/h	35.6 mile/h
Forward - 7	45.8 mile/h	-	49.2 mile/h	-
Reverse	8.8 mile/h	-	10.4 mile/h	7.2 mile/h
Note	Maximum travel speeds with standard 18.00R33 (E4) tires.	-	-	Maximum travel speeds with standard 33.00-R51 tires.
Maximum Gradeability	-	65	-	-
Maximum Travel Speed (with steering wheel)	-	12.4 mile/h	-	-
Maximum Travel Speed (with joysticks)	-	9.3 mile/h	-	-
Drawbar Pull	-	28551 lb/ft	-	-
Top Speed - Loaded	-	-	-	35.6 mile/h
Final Drives
Differential Ratio	1.92:1	-	2.74:1	2:10:01
Planetary Ratio	4.80:1	-	4.80:1	10.83:1
Total Reduction Ratio	9.26:1	-	13.14:1	22.75:1
Type	-	-	-	Double reduction, planetary with full floating axles.
Brakes
Brake Surface - Front	216 in²	-	216 in²	-
Brake Surface - Rear	6235 in²	-	7794 in²	-
Brake Standards	ISO 3450:2011	-	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	-	112 gal/min	223 gal/min
Relief Valve Setting - Raise	2750 psi	-	2750 psi	2500 psi
Relief Valve Setting - Lower	500 psi	-	500 psi	-
Body Raise Time - High Idle	7.5 s	-	8 s	15 s
Body Lower Time - Float	10 s	-	10 s	15.6 s
Body Power Down - High Idle	10 s	-	10 s	-
Type	-	-	-	Twin, two-stage hydraulic cylinders with snubbing valve.
Body Power Down- High Idle	-	-	-	15.5 s
Capacity - Dual Slope - 100% Fill Factor
Struck	23.01 yd³	-	31.3 yd³	-
Heaped (SAE 2:1)*	32.9 yd³	-	-	-
Note (2)	*ISO 6483:1980.	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	-	-	-
Heaped 2:1 (SAE)	-	-	40.8 yd³	-
Capacity - Flat Floor - 100% Fill Factor
Struck	23.01 yd³	-	31.3 yd³	-
Heaped (SAE 2:1)*	32.9 yd³	-	-	-
Note (1)	Contact your local Cat dealer for body recommendation.	-	-	-
Note (2)	*ISO 6483:1980.	-	-	-
Heaped 2:1 (SAE)	-	-	40.9 yd³	-
Weight Distributions - Approximate
Front Axle - Empty	49 %	-	51.4 %	48%
Front Axle - Loaded	34 %	-	34.2 %	33%
Rear Axle - Empty	51 %	-	48.6 %	52%
Rear Axle - Loaded	66 %	-	65.8 %	67%
Note	-	-	-	Weight distributions optimized with Cat body.
Suspension
Empty Loaded Cylinder Stroke Front	9.2 in	-	9.2 in	-
Empty Loaded Cylinder Stroke Rear	5.9 in	-	5.8 in	-
Rear axle - Oscillation	8.9 °	-	8.9 °	+/- 5.4 degrees
Type	-	-	-	Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front	-	-	-	12.6 in
Effective Cylinder Stroke - Rear	-	-	-	6.5 in
Service Refill Capacities
Fuel Tank	140 gal (US)	-	140 gal (US)	410 gal (US)
Cooling System	33 gal (US)	9.5 gal (US)	33 gal (US)	126 gal (US)
Crankcase	17 gal (US)	-	17 gal (US)	54 gal (US)
Differential - Final Drives	47 gal (US)	-	47 gal (US)	139 gal (US)
Steering Tank	14.5 gal (US)	-	14.5 gal (US)	29 gal (US)
Steering System - Including Tank	23 gal (US)	-	23 gal (US)	-
Brake/Hoist Hydraulic Tank	38 gal (US)	-	38 gal (US)	-
Brake Hoist System	60 gal (US)	-	60 gal (US)	-
Torque Converter - Transmission System	17 gal (US)	-	17 gal (US)	-
DEF Tank	6 gal (US)	-	6 gal (US)	-
Fuel Tank Capacity	-	92.5 gal (US)	-	-
Diesel Exhaust Fluid Tank	-	7.9 gal (US)	-	36 gal (US)
Engine Oil	-	3.4 gal (US)	-	-
Hydraulic Tank	-	40.9 gal (US)	-	-
Hydraulic System - Including Tank	-	91.1 gal (US)	-	-
Rear Axle - Housing (Differential)	-	3.7 gal (US)	-	-
Front Steering Axle - Differential	-	2.8 gal (US)	-	-
Final Drive - Each	-	0.7 gal (US)	-	-
Powershift Transmission	-	0.7 gal (US)	-	-
Front Wheels - Each	-	-	-	7.1 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)
Steering
Steering Standards	ISO 5010:2007	-	ISO 5010:2007	ISO 5010:2019
Steer Angle	40.5 °	-	40.5 °	25.1 °
Turning Diameter - Front	57.7 ft	-	57.7 ft	-
Turning Circle - Clearance Diameter	66.6 ft	-	66.6 ft	-
Note	Target gross machine operating weight is 71 214 kg (157,000 lb).	-	-	-
Turning Diameter - ISO 7457:1997 (33.00R51 tires)	-	-	-	96.6 ft
Tires
Standard Tire	18.00R33 (E4)	-	21.00R33 (E4)	33.00R51
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.
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.
Optional Tire	-	-	-	36.00R51
Rims	-	-	-	610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
ROPS
ROPS Standards	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.	-
FOPS Standards	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.	-
Sound
Sound Standards (1)	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.	-
Sound Standards (2)	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)	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, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
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	8.5 ft	13 ft	-
Rear Axle - Tail	8.5 ft	-	9.5 ft	-
Ground Clearance	1.6 ft	1 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	-
Boom	-	MH Boom 5.35 (17'7")	-	-
Stick	-	Straight 4.3 m (14'1")	-	-
Shipping Height (with OPG, without stick)	-	3350 mm	-	-
Shipping Length	-	27.3 ft	-	-
Shipping Length (with push blade)	-	28.3 ft	-	-
Machine Length	-	16.3 ft	-	-
Machine Length (with push blade)	-	17.8 ft	-	-
Tail Swing Radius	-	8.5 ft	-	-
Counterweight Clearance	-	4.3 ft	-	-
Cab Height- Lowered	-	11 ft	-	-
Cab Height-Lowered with OPG	-	11 ft	-	-
Cab Height-Raised	-	18.8 ft	-	-
Cab Height-Raised with OPG	-	18.8 ft	-	-
Shipping Width	-	8.3 ft	-	-
Undercarriage Length	-	16.1 ft	-	-
Undercarriage Length (with push blade)	-	17.6 ft	-	-
Upper Frame Width (including handrails)	-	8.3 ft	-	-
Machine Weights
Maximum Operating Weight	-	54000 lb	-	-
Minimum Operating Weight	-	46750 lb	-	-
Working Ranges
Maximum Reach	-	30.4 ft	-	-
Boom	-	MH Boom 5.35 (17'7")	-	-
Stick	-	Straight 4.3 m (14'1")	-	-
Maximum Height	-	35.3 ft	-	-
Minimum Dump Height	-	10.8 ft	-	-
Maximum Reach at Ground Line	-	28.5 ft	-	-
Maximum Depth	-	4.8 ft	-	-
Boom Pin Height	-	23.3 ft	-	-
Hydraulic System
Maximum Flow - Implement/Travel Circuit	-	81 gal/min	-	-
Maximum Pressure - Implements	-	5366 psi	-	-
Maximum Pressure - Travel	-	5076 psi	-	-
Maximum Pressure - Swing	-	5294 psi	-	-
Swing Mechanism
Swing Speed	-	8.2 r/min	-	-
Maximum Swing Torque	-	39553 lb/ft	-	-
Transmissions
Maximum Travel Speed (with joysticks)	-	9.3 mile/h	-	-
Braking System
Service Brakes	-	-	-	Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area	-	-	-	9487 in²
Rear - Wet Disc Brake Surface Area	-	-	-	13908 in²
Standards	-	-	-	Service and Secondary: ISO 3450:2011
Parking Brake	-	-	-	Four corner, multi disc, spring applied, hydraulically released
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.
Cab
Air Conditioning	-	-	-	HFC - 134A refrigerant: 24,500 Btu/h
Heater / Defroster	-	-	-	33300 Btu/h
ROPS Standards (1)	-	-	-	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.
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

770 Off-Highway Truck

MH3022 Wheel Material Handler

772 (07) Off-Highway Truck

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

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

Machine Weights

Working Ranges

Hydraulic System

Swing Mechanism

Transmissions

Braking System

Capacity - MSD II - 100% Fill Factor

Cab

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

Earthmoving

Parts & Service

Power Systems

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