C9.3B

Maximum Power
456 HP / 340 kW
Maximum Torque
1540 lb-ft @ 1400 rpm / 2088 Nm @ 1400 rpm
Minimum Power
335 HP / 250 kW

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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C9.3B Variable Speed Auxiliary 340 bkW (456 bhp) @ 2000 rpm C9.3B Variable Speed Auxiliary 280 bkW (375 bhp) @ 2200 rpm C9.3B Variable Speed Auxiliary 250 bkW (335 bhp) @ 2200 rpm
Power Rating
Maximum Power 456 HP / 340 kW
Maximum Torque 1540 lb-ft @ 1400 rpm / 2088 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 335 HP / 250 kW
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 / 115 mm
Stroke 5.9 in / 149 mm
Displacement 567.5 in³ / 9.3 l
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 / 1125 mm
Width 31 in / 791 mm
Height 42 in / 1068 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1907 lb / 865 kg
Aftertreatment Dimensions
Length 36 in / 925 mm
Width 27 in / 694 mm
Height 17 in / 432 mm
Weight 211 lb / 96 kg

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 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
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