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730C2 EJ Articulated Truck

730C2 EJ Articulated Truck

At a Glance

Engine Model
Cat® C13 ACERT™
Rated Payload
31 t
Heaped (SAE 2:1)
22.1 yd³
5.1 in
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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.


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


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Rated Payload 31t

Body Capacities

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


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

Service Refill Capacities

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

Sound Levels

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Interior Cab 76dB(A)
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 th
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.


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

Operating Weights

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

Body Eject

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Eject Time 12s
Retract Time 15s


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Lock to Lock 4.75 seconds @ 60 rpm

Turning Circle

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

Body Plate

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Type High strength Brinell HB450 wear resistant steel