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C9.3B Tier 4 Diesel Engines - Highly Regulated
C9.3B Tier 4 Diesel Engines - Highly Regulated
C9.3B Tier 4 Diesel Engines - Highly Regulated
C9.3B Tier 4 Diesel Engines - Highly Regulated
Industrial engines

C9.3B

The Cat® C9.3B industrial diesel engine is offered in ratings ranging from 250-340 kW (335-456 hp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage V, China Nonroad (NR) Stage IV, Japan 2014, and Korea Stage V emission standards.

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800.768.4200
Power Rating
Maximum Power 456 hp
Maximum Torque 1540 lb-ft @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 335 hp
Emission Standards
Emissions EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
General
Engine Configuration In-Line 6
Bore 4.5 in
Stroke 5.9 in
Displacement 567.5 in³
Compression Ratio 17.0:1
Aspiration Turbocharged-Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Engine Dimensions - Approximate
Length 44 in
Width 31 in
Height 42 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1907 lb
Aftertreatment Dimensions
Length 36 in
Width 27 in
Height 17 in
Weight 211 lb

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 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 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

Aftertreatment System

  • 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
  • C9.3B Industrial specification sheet
    application/pdf
    Download ↓
  • Industrial engine ratings guide
    application/pdf
    Download ↓
Need installed dimensions with enclosure and tank? See Model Configurations