Cat® C9.3B Industrial Power Unit HRC

The Cat® C9.3B Industrial Diesel Power Unit is offered in ratings ranging from 250-340 kW (335-456 hp) @ 1800-2200 rpm and meet U.S. EPA Tier 4 Final, EU Stage V emission, China Nonroad Stage IV, Japan 2014 (Tier 4 Final) and Korea Stage V standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

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 Final, EU Stage V, Japan 2014 (Tier 4 Final), China Nonroad IV and Korea Stage V 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

Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), China Nonroad Stage IV and Korea Stage V Aftertreatment Features

Regeneration. Cat Regeneration System maximizes fuel efficiency during regeneration. Transparent regeneration maximizes uptime. Aftertreatment life is twice as long as engine rebuild


Mounting. Industrial power units have standard horizontal mounting.


Service. Minimum 5000-hour diesel particulate filter ash service interval. PETU filter service is 5000 hours.


Documents & Brochures

Standard Equipment

Air Inlet System
  • Turbocharged
  • Air-to-Air Aftercooled
  • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), China Nonroad Stage IV and Korea Stage V)
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. (Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) China Nonroad Stage IV and Korea Stage V
Fuel System
  • Electronic high pressure common rail
  • Primary fuel filter
  • Secondary fuel filters
  • Fuel transfer pump
  • Electronic fuel priming
Lube System
  • Open crankcase ventilation system
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Oil dipstick
  • Gear driven oil pump
  • Choice of front, rear or center sumps
  • Open crankcase ventilation system with fumes disposal (optional OCV filter system) (Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), China Nonroad IV, Korea Stage V)
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
U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment/ Clean Emissions Control Equipment
  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • Pump Electronic Control Unit (PETU)
  • Available in 12V or 24V systems
  • Selective Catalytic Reduction (SCR)

Additional information

Offering Type

Power Rating - Maximum Power

340 kW ( 456 HP )

Power Rating - Maximum Torque

2088 Nm @ 1400 rpm ( 1540 lb-ft @ 1400 rpm )

Power Rating - Rated Speed

1800-2200 rpm

Power Rating - Minimum Power

250 kW ( 335 HP )

Emission Standards - Emissions

EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV

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

17.0:1

General - Aspiration

Turbocharged Aftercooled (TA)

General - Rotation from Flywheel End

Counterclockwise

General - Aftertreatment

DOC+DPF+SCR

Power Unit Dimensions - Length

2110 mm ( 83 in )

Power Unit Dimensions - Width

1100 mm ( 43 in )

Power Unit Dimensions - Height

1741 mm ( 68.5 in )

Power Unit Dimensions - Weight

1616 kg ( 3563 lb )

Aftertreatment Dimensions - Width

870 mm ( 34.3 in )

Aftertreatment Dimensions - Height

570 mm ( 22.4 in )

Aftertreatment Dimensions* - Diameter

330 mm ( 13 in )

Aftertreatment Dimensions - Weight

212 kg ( 468 lb )

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