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773D

Off-Highway Trucks

Time proven iron and modern technology combine to provide a highly productive, durable, reliable off-highway truck, focused on our customers' greatest need...lowest cost-per-ton.

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Engine Model Cat® 3412E Engine

Rated Engine Speed 2000 r/min

Gross Power - SAE J1995 509 kW

Net Power - SAE J1349 480 kW

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773D

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FEATURES & BENEFITS

Power Train - Engine

EngineThe Cat 3412E Diesel Engine is a four-stroke design and uses long, effective power strokes for more complete fuel combustion and optimum efficiency. The 3412E is de... Read more

Power Train - Transmission

TransmissionThe Cat seven-speed power shifttransmission, matched with the direct injection Cat 3412E Diesel Engine, provides constant power over a wide range of operating... Read more

Engine/Power Train Integration

IntegrationThe electronic integration system designed by Caterpillar optimizes overall power train performance, reliability and component life for reduced power train ope... Read more

Oil-Cooled, Rear Disc Brakes

BrakesCaterpillar forced oil-cooled, multiple disc brakes are continuously cooled for exceptional, fade-resistant braking and retarding. The optional ARC and TCS utilize... Read more

Automatic Retarder Control (ARC) (Optional)

ARC BenefitsInclude: Increased operating efficiency with faster downhill speeds. By maintaining consistently higher engine speeds, average truck speed will be higher than... Read more

Traction Control System (TCS) (Optional)

Integrated Braking Control (IBC) (Optional)Caterpillar offers IBC (optional) combining ARC and TCS into one electronic control.Traction Control SystemMonitors wheel slip... Read more

Structures

Box-Section DesignThe 773D frame uses a box-section design, incorporating 21 castings in high-stress areas, with deep-penetrating and continuous wrap-around welding. Mild... Read more

Truck Body

DesignDesigned to handle a variety of material densities. Maximum payload is reached in three to five passes from a matched Cat loader in 1700 kg/m3 (2,900 lb/yd3) materi... Read more

Operator's Station

Operator's StationThe 773D operator station is rated highly by operators. Everything needed for top performance is at the operator's finger tips.1) Wraparound Dash PanelP... Read more

SPECIFICATIONS FOR 773D

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Engine

Engine Model	Cat® 3412E Engine
Rated Engine Speed	2000 r/min
Gross Power - SAE J1995	509 kW
Net Power - SAE J1349	480 kW
Net Power - Cat	485 kW
Flywheel Power	485 kW
Net Power - ISO 9249	485 kW
Net Power - 80/1269/EEC	485 kW
Number of Cylinders	12
Bore	137 mm
Stroke	152 mm
Displacement	27 l
Net Torque	2314 N

Weights - Approximate

Target Gross Machine Operating Weight	99340 kg
Operating Weight - Empty	39500 kg
Chassis Weight	30200 kg
Body Weight	9300 kg

Operating Specifications

Top Speed - Loaded	62.2 km/h
Nominal Payload Capacity	54.1 ton (US)
Body Capacity - SAE 2:1	35.2 m³

Transmission

Forward - 1	9.9 km/h
Forward - 2	13.9 km/h
Forward - 3	18.8 km/h
Forward - 4	25.2 km/h
Forward - 5	34.1 km/h
Forward - 6	45.9 km/h
Forward - 7	62.2 km/h
Reverse	13.1 km/h

Final Drives

Differential Ratio	3.64:1
Planetary Ratio	4.80:1
Total Reduction Ratio	17.48:1

Brakes

Brake Surface - Front	1395 cm²
Brake Surface - Rear	61269 cm²
Brake Standards	ISO 3450: 1996

Body Hoists

Pump Flow - High Idle	560 l/min
Relief Valve Setting - Raise	17225 kPa
Relief Valve Setting - Lower	3450 kPa
Body Raise Time - High Idle	9.5 s
Body Lower Time - Float	12.5 s
Body Power Down - High Idle	12.5 s

Capacity - Dual Slope - 100% Fill Factor

Struck	26.6 m³
Heaped 2:1 (SAE)	35.2 m³

Weight Distributions - Approximate

Front Axle - Empty	47.3 %
Front Axle - Loaded	33.3 %
Rear Axle - Empty	52.7 %
Rear Axle - Loaded	66.7 %

Suspension

Effective Cylinder Stroke - Front	209 mm
Effective Cylinder Stroke - Rear	149 mm
Rear axle - Oscillation	8 °

Service Refill Capacities

Fuel Tank	700 l
Cooling System	137 l
Differential - Final Drives	140 l
Steering Tank	34 l
Steering System - Including Tank	58 l
Torque Converter - Transmission Sump	53 l
Brake/Hoist Hydraulic Tank	133 l
Engine Oil - With Filter	76 l

Tires

Standard Tire

24.00R35 (E4)

ROPS

ROPS/FOPS Standards

SAE J1040 MAY94, ISO

Sound

Sound Standards

Steering

Turning Diameter - Front Wheel Track	22 m
Steering Standards	SAE J1511 FEB94 ISO 5010:1992
Steer Angle	31 °
Turning Circle - Clearance Diameter	25 m

SELECT MODELS TO COMPARE

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Gross Power - SAE J1995 446 kW

Net Power - ISO 9249 399 kW

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Gross Power - SAE J1995 765 kW

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Engine Model Cat® C15 ACERT™

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Gross Power - SAE J1995 381 kW

Net Power - SAE J1349 360 kW

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Rated Engine Speed 1800 r/min

Gross Power - SAE J1995 381 kW

Net Power - SAE J1349 355 kW

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Engine Model Cat C32

Gross Power - SAE J1995 765 kW

Net Power - SAE J1349 683 kW

Net Power - 80/1269/EEC 683 kW

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Engine Model Cat® 3408E

Gross Power - SAE J1995 386 kW

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