Cat® C9.3 Diesel Engine

Cat® C9.3 Diesel Engine

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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 ...
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Power Rating

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

Emission Standards

Emissions
U.S. EPA Tier 4 Final Nonroad

General

Engine Configuration
In-Line 6
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 Dimensions - Approximate

Width
40.4in
Height
44.2in
Length
45.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1950lb

Aftertreatment Dimensions

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

PETU Dimensions - Tier 4 Final Only

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

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

Standard Equipment: