730C2 EJ

The Cat 730C2 EJ, with a 16.9 m3 (22.1 yd3) 28 tonnes (31 tons) capacity, offers demonstrated reliability and durability, high performance and productivity, superior operator comfort and lower operating costs. Updating the successful 730C EJ to include all axle enclosed wet brakes makes the 730C2 EJ a more attractive proposition for our customers. Class leading levels of performance and operator comfort make for a productive machine all day long.

Engine Model Cat® C13 ACERT™
Bore 5.1 in
Stroke 6.2 in
Displacement 762.8 in³
Engine Model - U.S. EPA Tier 4 Final/EU Stage IV Cat C13 ACERT
Gross Power - SAE J1995 375 HP
Net Power - ISO 14396 370 HP
Net Power - SAE J1349 367 HP
No Engine De-rating Below 12500 ft
Peak Engine Torque Gross (SAE J1995) 1579 ft·lbf
Peak Engine Torque Net (SAE J1349) 1564 ft·lbf
Peak Engine Torque Speed 1200 r/min

Rated Payload 31 t

Body Capacities
Heaped (SAE 2:1) 22.1 yd³
Struck 17.7 yd³

Forward - 1 5 mile/h
Forward - 2 9 mile/h
Forward - 3 14 mile/h
Forward - 4 21 mile/h
Forward - 5 29 mile/h
Forward - 6 34 mile/h
Reverse - 1 6 mile/h

Sound Levels
Interior Cab 76 dB(A)

Operating Weights
Center Axle - Empty 12103 lb
Center Axle - Loaded 42362 lb
Center Axle - Rated Load 27249 lb
Front Axle - Empty 34535 lb
Front Axle - Loaded 36013 lb
Front Axle - Rated Load 7231 lb
Rear Axle - Empty 11552 lb
Rear Axle - Loaded 41811 lb
Rear Axle - Rated Load 27249 lb
Total - Empty 58190 lb
Total - Loaded 120186 lb
Total - Rated Load 61729 lb

Service Refill Capacities
Fuel Tank 108.8 gal (US)
Cooling System 21.9 gal (US)
Hydraulic System 29.1 gal (US)
Engine Crankcase 10 gal (US)
Transmission 12.4 gal (US)
Final Drives/Differential 33 gal (US)
Output Transfer Gear Box 6.3 gal (US)
DEF Tank 5.2 gal (US)

Body Eject
Eject Time 12 s
Retract Time 15 s

Lock to Lock 4.75 seconds @ 60 rpm

Brakes ISO 3450 – 2011
Cab - FOPS ISO 3449 Level II – 2005
Cab - ROPS ISO 3471 – 2008
Steering ISO 5010 – 2007

Body Plate
Type High strength Brinell HB450 wear resistant steel

Turning Circle
Note Dimensions are for machines equipped with 750/65 tires.
Turning Dimensions - Aisle Width 210 in
Turning Dimensions - Clearance Radius 318 in
Turning Dimensions - Inside Radius 153 in
Turning Dimensions - SAE Turning Radius 294 in
Turning Dimensions - Steer Angle - Left/Right 45°

Emissions The 730C2 EJ meets Tier 4 Final/Stage IV emission standards.
Note (1) The reference to Tier 4 Final/Stage IV includes U.S. EPA Tier 4 Final, EU Stage IV, Japan 2014 (Tier 4 Final), as well as Korea Tier 4.
Note (2) The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
Note (3) The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed.
Note (4) Net power when the fan is at maximum speed is 254 kW (341 hp) per the SAE reference conditions.
Note (5) DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications.

Sound Levels
Note (1) The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT 98 is 76 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed.
Note (2) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environments.



Automatic Features

Suspension and Braking

Operator Environment

Ease of Operation

Durability and Reliability

Cat CONNECT Technology



Complete Customer Support



Standard Equipment

Dashboard Liquid Crystal Display (LCD)
  • Alert indicator, selected gear and direction, speed or auto shift, review Operation and Maintenance Manual (OMM), primary steering failure, seat belt warning, secondary steering failure, Machine Security System (MSS), secondary steering energy source engaged, hour meter and retarder active
Machine Operation Monitoring System includes
  • Action lamp, engine oil pressure, primary steering system, left turn signal, high beam, coolant temperature, tachometer, parking brake, fuel level, right turn signal, transmission oil temperature, brake system, transmission hold, hoist control, hydraulic system, charging system, retarder, transmission fault, traction control system, check engine lamp

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