Cat® C9.3B Industrial Power Unit

The Cat® C9.3B IPU configuration not only provides the flexibility andoptions found on a standard industrial engine, but also comes fittedwith air filter and mounting, an integrated cooling system with airand coolant lines, and full wire harnessing with an engine-mountedECM

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Standard Equipment

Air Inlet System
  • Turbocharged
  • Air-to-Air Aftercooled
  • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage IV)
Control System
  • Electronic control system
  • Over-foam wiring harness
  • Automatic altitude compensation
  • Power compensated for fuel temperature
  • Configurable software features
  • Engine monitoring system SAE J1939 broadcast and control
  • Integrated Electronic Control Unit (ECU)
  • Remote fan control
Cooling System
  • Vertical or RH thermostat outlet
  • Centrifugal water pump
  • Guidance on cooling system design available through your dealer to ensure equipment reliability
Flywheels and Flywheel Housing
  • Dual rear PTO configuration
  • Available SAE No. 1 power take off with optional SAE B or SAE C power take off drives. Engine power can also be taken from the front of the engine with optional attachments.
Fuel System
  • Electronic high pressure common rail
  • Primary fuel filter
  • Secondary fuel filters
  • Fuel transfer pump
  • Electronic fuel priming
Lube System
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Oil dipstick
  • Gear driven oil pump
  • Choice of front, rear or center sumps
Power Take Off (PTO)
  • SAE B or SAE C power take off (PTO) drives. Engine power can also be taken from the front of the engine on some applications.
General
  • Vibration damper
  • Lifting eyes

Additional information

Offering Type

Power Rating - Maximum Power

310 kW ( 416 HP )

Power Rating - Rated Speed

1800-2200 rpm

Power Rating - Minimum Power

230 kW ( 308 HP )

Emission Standards - Emissions

Brazil MAR-1, UN R96 Stage IIIA

General - Engine Configuration

Inline 6, 4-Stroke-Cycle-Diesel

General - Bore

115 mm ( 4.5 in )

General - Stroke

149 mm ( 5.9 in )

General - Displacement

9.3 l ( 567.5 in³ )

General - Compression Ratio

16.5:1

General - Aspiration

Turbocharged Aftercooled (TA)

General - Rotation from Flywheel End

Counterclockwise

Power Unit Dimensions - Length

2110 mm ( 83 in )

Power Unit Dimensions - Width

1100 mm ( 43 in )

Power Unit Dimensions - Height

1603 mm ( 63 in )

Power Unit Dimensions - Weight

1481 kg ( 3265 lb )

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