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C9.3 Tier 4 Diesel Engines - Highly Regulated

C9.3

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C9.3

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Overview

The Cat® C9.3 Industrial Diesel Engine is offered in ratings ranging from 224-298 bkW (300-400 bhp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Industries and applications powered by C9.3 ACERT engines include: Agriculture, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Sprayers, Surface Hauling Equipment, Trenchers and Underground Mining Equipment.

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World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
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Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.
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Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
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Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.
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Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
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Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.
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  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
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Full Specifications Standard Equipment

Product Specifications for C9.3

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Power Rating

Emission Standards

General

Engine Dimensions - Approximate

Aftertreatment Dimensions

PETU Dimensions - Tier 4 Final Only

C9.3 Standard Equipment

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Air Inlet System

  • Turbocharged
  • Air-to-Air Aftercooled
  • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage IV)

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

  • Dual rear PTO configuration
  • Available SAE No. 1 power take off with optional SAE A, SAE B or SAE C power take off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Stage IV).

Fuel System

  • Electronic high pressure common rail
  • Primary fuel filter
  • Secondary 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) (Tier 4 Final, Stage IV)

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

U.S. EPA Tier 4 Interim, EU Stage IIIB Aftertreatment / Clean Emissions Control Equipment

  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • NOx Reduction System (NRS)
  • Flex pipe connection kit with 90° rotatable elbows to attach to Cat Regeneration System Inlet
  • Available in 12 volt or 24 volt systems

U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment/ Clean Emissions Control Equipment

  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • Aftertreatment Electronic Control Unit (ECU)
  • NOx Reduction System (NRS)
  • Pump Electronic Control Unit (PETU)
  • Selective Catalytic Reduction (SCR)
  • Available in 12V or 24V systems

See how C9.3 compares against frequently compared products.

Industrial C9.3
C9.3
Maximum Power
400.0 HP
298.0 kW
Maximum Torque
1268.0 lb-ft @ 1400 rpm
1719.0 Nm @ 1400 rpm
Emissions
U.S. EPA Tier 4 Final
U.S. EPA Tier 4 Final
Selected Model
Industrial C9.3B
C9.3B
Maximum Power
456.0 HP
340.0 kW
Maximum Torque
1540.0 lb-ft @ 1400 rpm
2088.0 Nm @ 1400 rpm
Emissions
U.S. EPA Tier 4 Final, EU Stage V
U.S. EPA Tier 4 Final, EU Stage V
Model Details
Industrial C13B
C13B
Maximum Power
577.0 HP
430.0 kW
Maximum Torque
1943.0 lb-ft @ 1400 rpm
2634.0 Nm @ 1400 rpm
Emissions
EU Stage V
EU Stage V
Model Details

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C9.3 Tier 4 Diesel Engines - Highly Regulated
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