Industrial Oem

  • Specs Summary
  • Minimum Power
    335 bhp (250 bkW)
  • Maximum Power
    456 bhp (340 bkW)
  • Emissions
    U.S. EPA Tier 4 Final Nonroad Emission Standards. Designed to meet proposed EU Stage V Nonroad Emission Standards.
  • Frequency
    1800-2200 rpm

Cat® C9.3B Diesel Engine

The Cat® C9.3B Industrial Diesel Engine is offered in ratings ranging from 250-340 bkW (335-456 bhp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards and are designed to meet proposed EU Stage V emission standards. The C9.3B engines are ideal choices to power applications in agriculture, aircraft ground support, construction, forestry, general industrial, material handling, and mining.

Power Rating

  • Minimum Power 335 bhp (250 bkW)
  • Maximum Power 456 bhp (340 bkW)
  • Frequency 1800-2200 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final Nonroad Emission Standards. Designed to meet proposed EU Stage V Nonroad Emission Standards.

General

  • Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel
  • Bore 115 mm (4.53 in)
  • Stroke 149 mm (5.87 in)
  • Displacement 9.3 L (567.5 in³)
  • Aspiration Turbocharged-Aftercooled (TA)
  • Compression Ratio 17.0:1
  • Combustion System Direct Injection
  • Rotation (from flywheel end) Counterclockwise
  • Cooling System Capacity 22 L (23.6 qts)
  • Lube System (refill) 30 L (31.7 qts)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length 1125 mm (44.3 in)
  • Width 791 mm (31.1 in)
  • Height 1068 mm (42 in)
  • Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 865 kg (1907 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length 925 mm (36.4 in)
  • Width 694 mm (27.3 in)
  • Height 432 mm (17.0 in)
  • Weight 96 kg (211 lb)

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Turbocharged
  • Air-to-Air Aftercooled
  • Mid-mount turbocharged system with front and rear exhaust configurations

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

  • Available SAE 1 power take-off with optional SAE A, SAE B, SAE C power take-off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Proposed Stage V)

Fuel System

  • Electronic high pressure common rail
  • Primary fuel filter
  • Secondary and tertiary 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)

Power Take Off (PTO)

  • SAE A, 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

  • Paint: Caterpillar yellow, with optional colors available at request
  • Vibration damper
  • Lifting eyes

Tier 4 Final, Proposed Stage V Aftertreatment

  • Clean Emissions Module (CEM) consisting of Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC) and high-efficiency Selective Catalytic Reduction (SCR)
  • Pump Electronic Control Unit (PETU)
  • Available in 12V or 24V systems

Optional Equipment