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C9.3 Tier 4 Diesel Engines - Highly Regulated

Cat® C9.3 Diesel Engine

Industrial
Industrial (87)

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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Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
High Performance
Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Fuel & Oil
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 mo...
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Package Size
Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.
World-class Product Support Offered Through Global Cat Dealer Network
  • 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
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
High Performance
Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Fuel & Oil
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.
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Package Size
Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.
World-class Product Support Offered Through Global Cat Dealer Network
  • 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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General

Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Cooling System Capacity
22 L (23.6 qts)
Lube System (refill)
30 L (31.7 qts)
Bore
4.5in
Stroke
5.9in
Displacement
567.5in³
Aspiration
Turbocharged-Aftercooled (TA)
Compression Ratio
17.0:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
In-Line 6
Bore
115 mm (4.53 in)
Stroke
149 mm (5.87 in)
Displacement
9.3 L (567.5 in³)
Cooling System - Capacity
22 L (23.6 qts)
Lube System - Refill
30 L (31.7 qts)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
1119-1150 mm (44.0-45.3 in)
Width
827-1025 mm (32.6-40.4 in)
Height
1066-1123 mm (41.9-44.2 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
885 kg (1950 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Length
885-925.89 mm (34.8-36.45 in)
Width
714.4-870 mm (28.12-34.4 in)
Height
392.21-570 mm (15.44-22.4 in)
Weight
210-213 kg (463-470 lb)

PETU Dimensions (Tier 4 Final, Stage IV Only)

Length
854 mm (33.6 in)
Width
287 mm (11.3 in)
Volume Capacity
48.4 L (51.1 qt)
Weight
19.42 kg (42.8 lb)
Height
551 mm (21.7 in)

Power Rating

Minimum Power
300HP
Maximum Power
400HP
Rated Speed
1800-2200 rpm
Maximum Torque
1268lb-ft @ 1400 rpm

Emission Standards

Emissions
U.S. EPA Tier 4 Final

Engine Dimensions - Approximate

Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1950lb
Height
1066-1123 mm (41.9-44.2 in)
Length
1119-1150 mm (44.0-45.3 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
885 kg (1950 lb)
Width
827-1025 mm (32.6-40.4 in)
Length
45.3in
Height
44.2in
Width
40.4in

Aftertreatment Dimensions - Approximate

Height
392.21-570 mm (15.44-22.4 in)
Length
885-925.89 mm (34.8-36.45 in)
Weight
210-213 kg (463-470 lb)
Width
714.4-870 mm (28.12-34.4 in)

PETU Dimensions - Tier 4 Final, Stage IV Only

Height
551 mm (21.7 in)
Length
854 mm (33.6 in)
Volume Capacity
48.4 L (51.1 qt)
Weight
19.42 kg (42.8 lb)
Width
287 mm (11.3 in)

Aftertreatment Dimensions

Length
36.5in
Width
34.4in
Height
22.4in
Weight
213lb

PETU Dimensions - Tier 4 Final Only

Length
33.6in
Width
11.3in
Height
21.7in
Weight
42.8lb
Volume Capacity
51.1qt (US)

Standard/Optional Features

Standard Equipment:

  • 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

Optional Equipment:

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