Engine ModelCat® C13 ACERT™
Rated Payload31 t (28 t)
Heaped (SAE 2:1)22.1 yd³ (16.9 m³)
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 ModelCat® C13 ACERT™
-Rated Payload31 t (28 t)
-Heaped (SAE 2:1)22.1 yd³ (16.9 m³)
-Bore5.1 in (130 mm)
-Stroke6.2 in (157 mm)
-Displacement762.8 in³ (12.5 l)
-Forward - 15 mile/h (8 km/h)
-Forward - 29 mile/h (15 km/h)
-Forward - 314 mile/h (22 km/h)
-Forward - 421 mile/h (34 km/h)
-Forward - 529 mile/h (47 km/h)
-Forward - 634 mile/h (55 km/h)
-Reverse - 16 mile/h (9 km/h)
-Struck17.7 yd³ (13.5 m³)
-Fuel Tank108.8 gal (US) (412 l)
-Cooling System21.9 gal (US) (83 l)
-Hydraulic System29.1 gal (US) (110 l)
-Engine Crankcase10 gal (US) (38 l)
-Transmission12.4 gal (US) (47 l)
-Final Drives/Differential33 gal (US) (125 l)
-Output Transfer Gear Box6.3 gal (US) (24 l)
-Interior Cab76 dB(A) (76 dB(A))
-BrakesISO 3450 – 2011
-Cab - FOPSISO 3449 Level II – 2005
-Cab - ROPSISO 3471 – 2008
-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.
-TypeHigh strength Brinell HB450 wear resistant steel
-Lock to Lock4.75 seconds @ 60 rpm
-Retract Time15 s (15 s)
-Turning Dimensions - Aisle Width210 in (5332 mm)
-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.
-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 (2)The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
-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 (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.
-Eject Time12 s (12 s)
-Turning Dimensions - Clearance Radius318 in (8075 mm)
-EmissionsThe 730C2 EJ meets Tier 4 Final/Stage IV emission standards.
-Turning Dimensions - Inside Radius153 in (3879 mm)
-Turning Dimensions - SAE Turning Radius294 in (7470 mm)
-Turning Dimensions - Steer Angle - Left/Right45°
-NoteDimensions are for machines equipped with 750/65 tires.
-Total - Empty58190 lb (26395 kg)
-Peak Engine Torque Gross (SAE J1995)1579 ft·lbf (2141 N·m)
-Peak Engine Torque Net (SAE J1349)1564 ft·lbf (2120 N·m)
-Peak Engine Torque Speed1200 r/min (1200 r/min)
-Center Axle - Empty12103 lb (5490 kg)
-No Engine De-rating Below12500 ft (3810 m)
-Net Power - SAE J1349367 HP (274 kW)
-Engine Model - U.S. EPA Tier 4 Final/EU Stage IVCat C13 ACERT
-Gross Power - SAE J1995375 HP (280 kW)
-Net Power - ISO 14396370 HP (276 kW)
-Center Axle - Loaded42362 lb (19215 kg)
-Center Axle - Rated Load27249 lb (13725 kg)
-Rear Axle - Rated Load27249 lb (13725 kg)
-Total - Loaded120186 lb (54515 kg)
-Total - Rated Load61729 lb (28120 kg)
-Rear Axle - Loaded41811 lb (18965 kg)
-Rear Axle - Empty11552 lb (5240 kg)
-Front Axle - Empty34535 lb (15665 kg)
-Front Axle - Loaded36013 lb (16335 kg)
-Front Axle - Rated Load7231 lb (670 kg)
-DEF Tank5.2 gal (US) (20 l)
-SteeringISO 5010 – 2007

Benefits and Features

Standard Equipment

  • Dashboard Liquid Crystal Display (LCD)
  • Machine Operation Monitoring System includes

Optional Equipment

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