Engine ModelCat® C13B
Gross Power (SAE J1995)361hp
Net Power (SAE J1349)351hp
Engine Power (ISO 14396)370hp
Bore5.1in
Stroke6.2in
Displacement763in³
Note (1)Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)Advertised power is tested at 1,800 rpm.
Note (3)Net 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 262 kW (351 hp) per the SAE reference conditions.
Note (5)Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014, and Korea Stage V emission standards.
Note (6)Diesel exhaust fluid (DEF) used in Cat SCR systems must meet the requirements outlined in ISO 22241-1:2006. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications.
No Engine De-rating Below12500ft
Peak Engine Torque Gross (SAE J1995)1579lbf·ft
Peak Engine Torque Net (SAE J1349)1564lbf·ft
Peak Engine Torque Speed1200r/min
Rated Payload30ton (US)
Heaped (SAE 2:1)22.1yd³
Struck17.7yd³
Forward - 15mile/h
Forward - 29mile/h
Forward - 314mile/h
Forward - 421mile/h
Forward - 529mile/h
Forward - 634mile/h
Reverse - 16mile/h
Note (1)The declared dynamic operator sound pressure level is 72 ± 2 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. The measurement was conducted at 70% of the cooling fan’s maximum speed. The sound level may vary at different cooling
Note (2)Hearing protection may be needed when operating with an open operator station and cab or when not properly maintained or doors/windows open for extended periods or in noisy environments.
Front Axle - Empty33356lb
Center Axle - Empty12368lb
Rear Axle - Empty11839lb
Total - Empty57563lb
Front Axle - Rated Load1433lb
Center Axle - Rated Load29156lb
Rear Axle - Rated Load29156lb
Total - Rated Load59156lb
Front Axle - Loaded34789lb
Center Axle - Loaded41524lb
Rear Axle - Loaded40995lb
Total - Loaded117308lb
TypeHigh strength Brinell HB450 wear resistant steel
Eject Time12s
Retract Time15s
Fuel Tank106gal (US)
DEF Tank9gal (US)
Cooling System21.9gal (US)
Hydraulic System32.5gal (US)
Engine Crankcase11.4gal (US)
Transmission12.4gal (US)
Final Drives/Differential33gal (US)
Output Transfer Gear Box6.6gal (US)
BrakesISO 3450:2011
Cab - FOPSISO 3449:2005 Level II
Cab - ROPSISO 3471:2008
SteeringISO 5010:2019
Turning Dimensions - Steer Angle - Left/Right45°
Turning Dimensions - SAE Turning Radius294in
Turning Dimensions - Clearance Radius318in
Turning Dimensions - Inside Radius148in
Turning Dimensions - Aisle Width214in
NoteDimensions are for machines equipped with 750/65 R25 tires.
Lock to Lock4.75 seconds @ 60 rpm
Hydraulic Excavators: 350/352 - Passes4-5
Hydraulic Excavators: 336 - Passes5-6
Wheel Loaders: 972/972 XE - Passes3-4
Wheel Loaders: 966/966 XE - Passes4
Wheel Loader: 962 - Passes4-5
Wheel Loader: 950 - Passes5
NoteAn optimum system match gives you a major productivity advantage. The 730 EJ is an excellent match for the Cat 350/352 and 336 Hydraulic Excavators; and Cat 972, 966, 962 and 950 Wheel Loaders. Having matched loading and hauling tools results in increased