C9.3B

Overview

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 and 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.

 

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Power Rating
Maximum Power340kW
Maximum Torque2088Nm @ 1400 rpm
Rated Speed1800-2200 rpm
Minimum Power250kW
Emission Standards
EmissionsU.S. EPA Tier 4 Final, EU Stage V
General
Engine ConfigurationIn-Line 6
Bore115mm
Stroke149mm
Displacement9.3l
Compression Ratio17.0:1
AspirationTurbocharged-Aftercooled (TA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
AftertreatmentDOC+DPF+SCR
Engine Dimensions - Approximate
Length1125mm
Width791mm
Height1068mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments865kg
Aftertreatment Dimensions
Length925mm
Width694mm
Height432mm
Weight96kg
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
Installation
With a full list of configurable options and an engine-mounted aftertreatment, the Cat C9.3B is an easy-to-install option that offers the power of larger engine platforms in a smaller engine package.
Advanced Features
Inlet throttle valve technology manages heat and in-cylinder dosing to create seamless DPF regeneration and a high-pressure common rail fuel system elimates the need for coolers, creating a simpler and lighter engine that's 18% more powerful than its predecessor engine—so operators get work done no matter when, no matter what.
Ideal Applications
Industrial, agricultural and construction applications such as: Pumps • Compressors • Chippers • Grinders • Asphalt paving equipment • Hydraulic power units • Bore rigs • Drill rigs • Tractors
Total Cost of Ownership
Between 500-hour oil service and 5000-hour DPF ash intervals and Caterpillar-patented design technology that enables the removal of EGRs, the need for parts and service keeps lifetime engine ownership costs down and ROI up. And because the Cat C9.3B uses the latest injector technology, owners can benefit from an overall fuel consumption reduction of up to 8% when compared to its predecessor engine.
Cat Dealer Product Support
Expert assistance is never far with the Cat C9.3B. With a five-year warranty and product support through the expansive global Cat Dealer Network, worldwide service and maintenance is all part of the package.
Safety
The Cat C9.3B is a finely tuned machine, running quieter and more efficiently than previous engines making it safer for job site operators who can stay focused on the task at hand.
Specifications
Power Rating
Maximum Power340kW
Maximum Torque2088Nm @ 1400 rpm
Rated Speed1800-2200 rpm
Minimum Power250kW
Emission Standards
EmissionsU.S. EPA Tier 4 Final, EU Stage V
General
Engine ConfigurationIn-Line 6
Bore115mm
Stroke149mm
Displacement9.3l
Compression Ratio17.0:1
AspirationTurbocharged-Aftercooled (TA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
AftertreatmentDOC+DPF+SCR
Engine Dimensions - Approximate
Length1125mm
Width791mm
Height1068mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments865kg
Aftertreatment Dimensions
Length925mm
Width694mm
Height432mm
Weight96kg
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
Benefits & Features
Installation
Advanced Features
Ideal Applications
Total Cost of Ownership
Cat Dealer Product Support
Safety
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