730C2 EJ

Rated Payload
31 t / 28 t
Heaped (SAE 2:1)
22.1 yd³ / 16.9 m³
Bore
5.1 in / 130 mm

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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730C2 EJ Product Brochure
Engine
Engine Model Cat® C13 ACERT™
Bore 5.1 in / 130 mm
Stroke 6.2 in / 157 mm
Displacement 762.8 in³ / 12.5 l
Peak Engine Torque Gross (SAE J1995) 1579 ft·lbf / 2141 N·m
Engine Model - U.S. EPA Tier 4 Final/EU Stage IV Cat C13 ACERT
Net Power - SAE J1349 367 HP / 274 kW
Peak Engine Torque Net (SAE J1349) 1564 ft·lbf / 2120 N·m
Net Power - ISO 14396 370 HP / 276 kW
No Engine De-rating Below 12500 ft / 3810 m
Gross Power - SAE J1995 375 HP / 280 kW
Peak Engine Torque Speed 1200 r/min
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 (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.
Emissions The 730C2 EJ meets Tier 4 Final/Stage IV emission standards.
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.
Weights
Rated Payload 31 t / 28 t
Body Capacities
Heaped (SAE 2:1) 22.1 yd³ / 16.9 m³
Struck 17.7 yd³ / 13.5 m³
Transmission
Forward - 1 5 mile/h / 8 km/h
Forward - 2 9 mile/h / 15 km/h
Forward - 3 14 mile/h / 22 km/h
Forward - 4 21 mile/h / 34 km/h
Forward - 5 29 mile/h / 47 km/h
Forward - 6 34 mile/h / 55 km/h
Reverse - 1 6 mile/h / 9 km/h
Sound Levels
Interior Cab 76 dB(A)
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.
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.
Operating Weights
Total - Loaded 120186 lb / 54515 kg
Front Axle - Empty 34535 lb / 15665 kg
Rear Axle - Empty 11552 lb / 5240 kg
Total - Empty 58190 lb / 26395 kg
Rear Axle - Rated Load 27249 lb / 13725 kg
Center Axle - Rated Load 27249 lb / 13725 kg
Front Axle - Rated Load 7231 lb / 670 kg
Rear Axle - Loaded 41811 lb / 18965 kg
Center Axle - Empty 12103 lb / 5490 kg
Total - Rated Load 61729 lb / 28120 kg
Front Axle - Loaded 36013 lb / 16335 kg
Center Axle - Loaded 42362 lb / 19215 kg
Service Refill Capacities
Fuel Tank 108.8 gal (US) / 412 l
Cooling System 21.9 gal (US) / 83 l
Hydraulic System 29.1 gal (US) / 110 l
Engine Crankcase 10 gal (US) / 38 l
Transmission 12.4 gal (US) / 47 l
Final Drives/Differential 33 gal (US) / 125 l
Output Transfer Gear Box 6.3 gal (US) / 24 l
DEF Tank 5.2 gal (US) / 20 l
Body Eject
Eject Time 12 s
Retract Time 15 s
Steering
Lock to Lock 4.75 seconds @ 60 rpm
Standards
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
Turning Dimensions - Aisle Width 210 in / 5332 mm
Note Dimensions are for machines equipped with 750/65 tires.
Turning Dimensions - Clearance Radius 318 in / 8075 mm
Turning Dimensions - Inside Radius 153 in / 3879 mm
Turning Dimensions - Steer Angle - Left/Right 45°
Turning Dimensions - SAE Turning Radius 294 in / 7470 mm

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

Equipment Management

Cat® Equipment Management gives you access to the data you need to keep your equipment on the job site and earning money. You can track equipment location and hours, monitor machine use and health, then take informed action that will keep your operation running smoothly, efficiently and profitably.

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