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Cat 730 with 31 ton rated payload offers proven reliability and durability, high productivity, superior operator comfort and lower operating costs. Spacious two-person cab with forward facing trainer/passenger seat and off road oil/nitrogen front suspension cylinders keep the operator comfortable through out the working day. True “on-the-go” differential locks with simple operation improve cycle times and productivity. Strong, durable Cat ACERT engines and electronically controlled transmissions deliver high productivity with low fuel consumption.


Engine Model Cat® C11 ACERT™ Cat® C11 ACERT™ Less
Gross Power - SAE J1995 325.0 hp 242.0 kW Less
Net Power - SAE J1349 319.0 hp 239.0 kW Less
Net Power - ISO 9249 321.0 hp 239.0 kW Less
Net Power - EEC 80/1269 321.0 hp 239.0 kW Less
Bore 5.1 in 130.0 mm Less
Stroke 5.5 in 140.0 mm Less
Displacement 680.0 in3 11.15 L Less


Rated Payload 31.0 tons 28.1 tonnes Less

Body Capacities

Heaped SAE 2:1 22.1 yd3 16.9 m3 Less
Struck 17.1 yd3 13.1 m3 Less
Tailgate Heaped SAE 2:1 24.0 yd3 18.5 m3 Less
Tailgate Struck 18.0 yd3 14.0 m3 Less


Forward 1 5.0 mph 8.0 km/h Less
Forward 2 9.0 mph 15.0 km/h Less
Forward 3 14.0 mph 22.0 km/h Less
Forward 4 21.0 mph 34.0 km/h Less
Forward 5 29.0 mph 47.0 km/h Less
Forward 6 34.0 mph 55.0 km/h Less
Reverse 1 5.0 mph 9.0 km/h Less

Sound Levels

Interior Cab 76.0 dB(A) 76.0 dB(A) Less

Operating Weights

Front Axle - Empty 28969.0 lb 13140.0 kg Less
Center Axle - Empty 11023.0 lb 5000.0 kg Less
Rear Axle - Empty 10384.0 lb 4710.0 kg Less
Total - Empty 50376.0 lb 22850.0 kg Less
Front Axle - Rated Load 5997.0 lb 2720.0 kg Less
Center Axle - Rated Load 27999.0 lb 12700.0 kg Less
Rear Axle - Rated Load 27999.0 lb 12700.0 kg Less
Total - Rated Load 61994.0 lb 28120.0 kg Less
Front Axle - Loaded 34965.0 lb 15860.0 kg Less
Center Axle - Loaded 39022.0 lb 17700.0 kg Less
Rear Axle - Loaded 38382.0 lb 17410.0 kg Less
Total - Loaded 112370.0 lb 50970.0 kg Less

Body Plate Thickness

Front 0.31 in 8.0 mm Less
Scow 0.55 in 14.0 mm Less
Side 0.47 in 12.0 mm Less
Base 0.55 in 14.0 mm Less

Service Refill Capacities

Fuel Tank 94.0 gal 355.0 L Less
Cooling System 18.0 gal 67.0 L Less
Hydraulic System 49.0 gal 151.0 L Less
Engine Crankcase 11.0 gal 41.0 L Less
Transmission 9.5 gal 36.0 L Less
Final Drives/Differential 43.3 gal 164.0 L Less
Output Transfer Gear Box 4.8 gal 18.0 L Less

Body Hoist

Raise Time 12.0 Seconds 12.0 Seconds Less
Lower Time 8.0 Seconds 8.0 Seconds Less


Brakes ISO 3450 - 1996 ISO 3450 - 1996 Less
Cab/FOPS ISO 3449 Level II - 2005 ISO 3449 Level II - 2005 Less
Cab/ROPS ISO 3471 - 2008 ISO 3471 - 2008 Less
Steering ISO 5010 - 2007 ISO 5010 - 2007 Less

730 Standard Equipment

Air conditioning with R134A refrigerant

Air vents, adjustable

Auto shift six-speed transmission

Back up alarm

Body, adapted for exhaust heat

Cat C11 engine with ACERT Technology

Caterpillar Work Area Vision System (WAVS) rear-view camera

CD/Radio ready

Differentials, standard with clutched cross-axle differential locks for all axles

Dual circuit caliper disc brakes - all wheels

Electrical system, 24 volt, 5A 24- to 12-volt converter

Electro hydraulic hoist control

Ether starting aid

Glass windows, laminated and tinted (front), toughened and tinted (rear)

Guards: rear window, radiator, crankcase and axle

Headlights, four

Heater and defroster with four-speed fan

Horn, electric

Lights: cab interior, front, side, rear, two reversing/working lights, two stop/tail lights, front and rear direction indicators

Mirrors, main and auxiliary, left and right

Mud flaps, wheel arch and body mounted, with transportation tie backs

Product Link (US/Canada/Europe/Turkey/Australia/New Zealand)


ROPS/FOPS cab, with full instrumentation, including:
  • Instrument cluster display module
  • Indicator lamps: left turn, secondary steering, primary steering loss, front and rear brake temp (735/740 and 740 Ejector only), brake oil pressure, action lamp, transmission fault, park brake, charging system status, differential lock, body not in float, right turn, high beam, transmission hold, machine filter warning, retarder, retarder up shift warning
  • Gauges: engine oil pressure, engine coolant temperature, torque converter oil temperature, fuel level, and fuel tank level gauge
  • Meters: service hour meter, speedometer, tachometer

Seat, fully adjustable, air suspension

Seat, padded companion/trainer

Secondary steering - electronic

S•O•SSM sampling valves

Spill guard, front, integral part of fabricated body

Starting receptacle, electric, remote

Storage: two cup holders, flask receptacle, under seat storage, door pocket, behind seat storage, coat hook.

Sun visor

Three axle, six-wheel drive

Tilt and telescopic steering wheel

Tires, six 23.5R25, radial

Tow pins front and rear

Two seat belts, operators retractable

Vandalism protection: lockable caps for fuel tank and hydraulic oil tank

Windows opening side, tinted

Windshield wiper and washer, two speed, intermittent (front)

Windshield wiper and washer, two speed (rear)

730 Optional Equipment

Autolube installation for automatic greasing of bearings

Body liners

CD/Radio, heavy duty

Cold weather coolant -51° C (-60° F)

Cold weather start kit

Cycle counter/operator monitoring kit

Engine block heater

Exhaust heated body

Fast fuel fill

Flashing Xenon Beacon

Fuel additive-anti-waxing

Heated rear-view mirrors

Product Link (where available)

  • Scissor-type

Tires, six 750/65

Engine with ACERT™ Technology

Innovative technologies optimize performance.


Proven Reliability.

Suspension and Traction Control

Performance and Productivity.

Operator Comfort

High productivity from a comfortable, confident operator.

Ease of Operation

Designed for ease of use - allows the operator to focus on production.

Durability and Reliability

High machine availability maximizes productivity and lowers costs.


More time on production.

Product Link

Equipment Manager is a secure and user-friendly application.

Complete Customer Support

Cat® dealer services help you operate longer with lower costs.


Designed with safety as the first priority.

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