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770G

Off-Highway Trucks

In 1963 Caterpillar introduced the 769, a revolutionary off-road truck that was purpose-built for the rigors of mining and heavy construction. Fifty years later, our trucks have never been better. We’ve taken the best of our rugged, dependable heritage and combined it with technologies that help our environment, make your operators more productive, and dramatically improve the economics of your haul fleet. The 770G has an updated Traction Control System (TCS) to keep you moving even when the ground conditions aren’t perfect. You’ll see improvements in fuel use through new and flexible fuel savings and we're making the operating experience best in class with automotive quality shifting, noise reduction, and cab updates. Our heritage and new use of technology are combined in this truck for one purpose – the continued success of your business.

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Engine Model Cat® C15
Rated Engine Speed 1700 r/min
Gross Power - SAE J1995 384 kW
Net Power - SAE J1349 356 kW
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770G
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OVERVIEW

Performance and productivity

FEATURES & BENEFITS

MAXIMIZE PERFORMANCE

EngineOur new G Series truck is equipped with a Cat C15 diesel engine. We recently celebrated 85 years in the engine business and the work we’ve put into these U.S. EPA T... Read more

DO MORE WITH LESS FUEL

Standard Economy ModeSTANDARD ECONOMY MODEG Series can adjust engine power based on your individual needs. Fuel savings are achieved by reducing power between 0.15 to 15... Read more

PERFORMANCE AND PRODUCTIVITY

PERFORMANCEIn addition to the shift quality, fuel efficiency, and performance benefits of APECS, there are several key safety functions being performed by this technology... Read more

BUILT TO PERFORM

Brake PerformanceOutstanding brake performance is an important differentiator for Cat trucks. The design principle is one of long-life and excellent performance in quarry... Read more

HEAVY DUTY CONSTRUCTION

BODIESTRUCK BODIESThe goal of our body designs is to provide rated payloads on each haul. Since no two jobsites are alike, we offer two body designs, optional sideboards... Read more

LONG TERM VALUE AND DURABILITY

Manufacturing and DesignCat trucks are manufactured in Decatur, Illinois, where our facility has seen significant updates and is a flag ship for manufacturing at Caterpil... Read more

DESIGNED FOR OPERATORS

Operator ExperienceA truck is only as productive as its operator. To that end, we have updated the 770G with some key features to help old and new operators be comfortabl... Read more

PURPOSE BUILT CAT ATTACHEMENTS

Information ManangementVIMSWe’ve made our Vital Information Management System (VIMS) standard because it’s important. With VIMS on board you can access production data, m... Read more

TOP-TIER SERVICE AND SUPPORT

Customer SupportWhen you purchase a Cat machine, you have both Caterpillar and your Cat dealer standing with you. The resources available to you by working closely with y... Read more

SPECIFICATIONS FOR 770G

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Engine
Engine Model Cat® C15
Rated Engine Speed 1700 r/min
Gross Power - SAE J1995 384 kW
Net Power - SAE J1349 356 kW
Net Power - ISO 9249 356 kW
Net Power - 80/1269/EEC 365 kW
Net Power - ISO 14396 379 kW
Net Torque - SAE J1349 2486 N·m
Number of Cylinders 6
Bore 137 mm
Stroke 171 mm
Displacement 15.2 l
Emissions Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Note (1) Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
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).
Note (3) No engine derating required up to 3000 m (9,843 ft) altitude.
Note (4) Meets Japan Small Volume Exemption.
Weights - Approximate
Target Gross Machine Operating Weight 71214 kg
Target Gross Machine Weight 71214 kg
Chassis Weight 25378 kg
Body Weight 7850 kg
Note (1) Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (2) Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
Operating Specifications
Nominal Payload Class (100%) 38.2 t
Top Speed - Loaded 73.7 km/h
Target Payload (100%) 38.2 t
Maximum Working Payload (110%) 42 t
Maximum Allowable Payload (120%)* 45.8 t
Body Capacity - SAE 2:1 25.2 m³
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.
Transmission
Forward - 1 11.9 km/h
Forward - 2 16.3 km/h
Forward - 3 22.2 km/h
Forward - 4 29.8 km/h
Forward - 5 40.4 km/h
Forward - 6 54.4 km/h
Forward - 7 73.7 km/h
Reverse 14.2 km/h
Note Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
Differential Ratio 1.92:1
Planetary Ratio 4.80:1
Total Reduction Ratio 9.26:1
Brakes
Brake Surface - Front 1395 cm²
Brake Surface - Rear 40225 cm²
Brake Standards ISO 3450:2011
Note Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
Pump Flow - High Idle 448 l/min
Relief Valve Setting - Raise 18950 kPa
Relief Valve Setting - Lower 3450 kPa
Body Raise Time - High Idle 7.5 s
Body Lower Time - Float 10 s
Body Power Down - High Idle 10 s
Capacity - Dual Slope - 100% Fill Factor
Struck 17.6 m³
Heaped (SAE 2:1)* 25.2 m³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980.
Capacity - Flat Floor - 100% Fill Factor
Struck 17.6 m³
Heaped (SAE 2:1)* 25.2 m³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980.
Weight Distributions - Approximate
Front Axle - Empty 49 %
Front Axle - Loaded 34 %
Rear Axle - Empty 51 %
Rear Axle - Loaded 66 %
Suspension
Empty Loaded Cylinder Stroke Front 234 mm
Empty Loaded Cylinder Stroke Rear 149 mm
Rear axle - Oscillation 8.9 °
Service Refill Capacities
Fuel Tank 530 l
Cooling System 125 l
Crankcase 64 l
Differential - Final Drives 180 l
Steering Tank 55 l
Steering System - Including Tank 87 l
Brake/Hoist Hydraulic Tank 145 l
Brake Hoist System 227 l
Torque Converter - Transmission System 64 l
DEF Tank 21 l
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.
Note (2) Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
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.
Sound Standards (2) Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 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.
Steering
Steering Standards ISO 5010:2007
Steer Angle 40.5 °
Turning Diameter - Front 17.6 m
Turning Circle - Clearance Diameter 20.3 m
Note Target gross machine operating weight is 71 214 kg (157,000 lb).
Dimensions
Height - Top of ROPS 3857 mm
Overall Body Length 8199 mm
Inside Body Length 5635 mm
Overall Length 8796 mm
Wheel Base 3960 mm
Rear Axle - Tail 2586 mm
Ground Clearance 518 mm
Dump Clearance 506 mm
Loading Height - Empty 3147 mm
Inside Body Depth - Maximum 1404 mm
Overall Height - Body Raised 8255 mm
Operating Width 4780 mm
Centerline Front Tire Width 3110 mm
Engine Guard Clearance 335 mm
Outside Body Width 3931 mm
Inside Body Width 3627 mm
Front Canopy Height 4114 mm
Rear Axle - Clearance 548 mm
Centerline of Rear Dual Tire Width 2536 mm
Overall Tire Width 3693 mm

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