Engine ModelCat C13 ACERT
Rated Payload31 t (28 ton (US))
Heaped (SAE 2:1)23 yd³ (17.5 m³)
The Cat 730C2, with a 17 m3 (23 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 to include all axle enclosed wet brakes makes the 730C2 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 ton (US))
-Heaped (SAE 2:1)23 yd³ (17.5 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)
-Struck17.4 yd³ (13.3 m³)
-Front0.28 in (7 mm)
-Side0.43 in (11 mm)
-Base0.51 in (13 mm)
-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))
-Raise Time12 s (12 s)
-Lower Time8 s (8 s)
-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.
-Lock to Lock4.75 seconds @ 60 rpm
-Turning Dimensions - Inside Radius153 in (3879 mm)
-Note (3)Net power when the fan is at maximum speed is 254 kW (341 hp) per the SAE reference conditions.
-Note (4)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 (2)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 (1)The power ratings apply at rated speed of 1,800 rpm when tested under the conditions for the specified standard.
-EmissionsThe 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 Final emission standards.
-Note (1)The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 76 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed.
-Turning Dimensions - Steer Angle - Left/Right45°
-Turning Dimensions - Aisle Width210 in (5332 mm)
-NoteDimensions are for machines equipped with 23.5R25 tires.
-Turning Dimensions - Clearance Radius318 in (8075 mm)
-Chute0.51 in (13 mm)
-Turning Dimensions - SAE Turning Radius294 in (7470 mm)
-TypeHigh strength Brinell HB450 wear resistant steel
-Total - Empty52305 lb (23725 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 - Empty9987 lb (4530 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)
-DEF Tank5.2 gal (US) (20 l)
-Center Axle - Loaded37236 lb (16890 kg)
-Rear Axle - Loaded36685 lb (16640 kg)
-Rear Axle - Rated Load27249 lb (12360 kg)
-Total - Loaded114034 lb (51725 kg)
-Total - Rated Load61729 lb (28000 kg)
-Rear Axle - Empty9436 lb (4280 kg)
-Front Axle - Rated Load7231 lb (3280 kg)
-Center Axle - Rated Load27249 lb (12360 kg)
-Front Axle - Loaded40113 lb (18195 kg)
-Front Axle - Empty32882 lb (14915 kg)
-SteeringISO 5010 – 2007
-Tailgate Heaped SAE 2:124.6 yd³ (18.8 m³)
-Tailgate Struck18.2 yd³ (13.9 m³)

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