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Cat 730 Ejector 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 17.7 yd3 13.5 m3 Less


Forward 1 5.0 mph 8.0 km/h Less
Forward 2 9.0 mph 14.0 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 8.0 km/h Less

Sound Levels

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

Operating Weights

Front Axle – Empty 30821.0 lb 13980.0 kg Less
Center Axle – Empty 13140.0 lb 5960.0 kg Less
Rear Axle – Empty 12368.0 lb 5610.0 kg Less
Total – Empty 56328.0 lb 25550.0 kg Less
Front Axle – Rated Load 1984.0 lb 900.0 kg Less
Center Axle – Rated Load 30005.0 lb 13610.0 kg Less
Rear Axle – Rated Load 30005.0 lb 13610.0 kg Less
Total – Rated Load 61994.0 lb 28120.0 kg Less
Front Axle – Loaded 32805.0 lb 14880.0 kg Less
Center Axle – Loaded 43144.0 lb 19570.0 kg Less
Rear Axle – Loaded 42373.0 lb 19220.0 kg Less
Total – Loaded 118322.0 lb 53670.0 kg Less

Body Plate Thickness

Front 0.24 in 6.0 mm Less
Side 0.24 in 6.0 mm Less
Base 0.35 in 9.0 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 46.5 gal 175.0 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

Ejector Cycle Times

Eject Time 12.0 Seconds 12.0 Seconds Less
Retract Time 15.0 Seconds 15.0 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

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.

Ejector Body

Disperse loads on-the-go for faster cycles and lower spreading costs.

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.


More time on production.

730 Ejector Standard Equipment

• Air conditioning with R134A refrigerant

• Air vents, adjustable

• Auto shift six-speed transmission

• Back up alarm

• Body, adapted for exhaust heat

• Body including:
  • Ejector cylinder and blade with integrated spill plate

• 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)

• Retarder

• 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

• Tailgate, hydraulic automatic

• Three axle, six-wheel drive

• Tilt and telescopic steering wheel

• Tires, six 750/65/R25, 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 Ejector Optional Equipment

• Autolube installation for automatic greasing of bearings

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

• CD/Radio, heavy duty

• Cold weather coolant (–51° C/–59.8° F)

• Cold weather start attachment

• 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, Radio and Worldwide (where available)

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