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Industrial Diesel Engines - Highly Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

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.

  • Specification Summary

  • Maximum Power 340 kW
  • Maximum Torque 2088 Nm @ 1400 rpm
  • Rated Speed 1800-2200 rpm
  • Minimum Power 250 kW

Product Details

Power Rating

Maximum Power 340 kW
Maximum Torque 2088 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 250 kW

Emission Standards

Emissions U.S. EPA Tier 4 Final, EU Stage V

General

Engine Configuration In-Line 6
Bore 115 mm
Stroke 149 mm
Displacement 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 1125 mm
Width 791 mm
Height 1068 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 865 kg

Aftertreatment Dimensions

Length 925 mm
Width 694 mm
Height 432 mm
Weight 96 kg
  • Air Inlet System
    •  Turbocharged
    •  Air-to-Air Aftercooled
    •  Mid-mount turbocharged system with front and rear exhaust configurations
  • 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
        • 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
                  • 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
                        • 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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