Cat® C9.3B Diesel Engine
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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Power Rating
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- Maximum Power
- 456HP
- Maximum Torque
- 1540lb-ft @ 1400 rpm
- Rated Speed
- 1800-2200 rpm
- Minimum Power
- 335HP
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Emission Standards
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- Emissions
- EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
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General
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- Engine Configuration
- In-Line 6
- Bore
- 4.5in
- Stroke
- 5.9in
- Displacement
- 567.5in³
- Compression Ratio
- 17.0:1
- Aspiration
- Turbocharged-Aftercooled (TA)
- Combustion System
- Direct Injection
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- DOC+DPF+SCR
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Engine Dimensions - Approximate
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- Length
- 44in
- Width
- 31in
- Height
- 42in
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 1907lb
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Aftertreatment Dimensions
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- Length
- 36in
- Width
- 27in
- Height
- 17in
- Weight
- 211lb
Standard Equipment:
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Air Inlet System
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- Turbocharged
- Air-to-Air Aftercooled
- Mid-mount turbocharged system with front and rear exhaust configurations
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Control System
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- 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
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Cooling System
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- Vertical or RH thermostat outlet
- Centrifugal water pump
- Guidance on cooling system design available through your dealer to ensure equipment reliability
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Flywheels And Flywheel Housing
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- 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)
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Fuel System
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- Electronic high pressure common rail
- Primary fuel filter
- Secondary and tertiary fuel filters
- Fuel transfer pump
- Electronic fuel priming
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Lube System
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- 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)
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Power Take Off (pto)
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- 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.
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General
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- Paint: Caterpillar yellow, with optional colors available at request
- Vibration damper
- Lifting eyes
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Aftertreatment System
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- 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
