C9.3B
The Cat® C9.3B Industrial Diesel Power Unit is offered in ratings ranging from 250-340 kW (335-456 hp) @ 1800-2200 rpm and meet U.S. EPA Tier 4 Final, EU Stage V emission, China Nonroad Stage IV, Japan 2014 (Tier 4 Final) and Korea Stage V standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.
Maximum Power
456 HP
Maximum Torque
1540 lb-ft @ 1400 rpm
Rated Speed
1800-2200 rpm
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
Maximum Power
456 HP
Maximum Torque
1540 lb-ft @ 1400 rpm
Rated Speed
1800-2200 rpm
Minimum Power
335 HP
Specification
Value
Emissions
EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV
Specification
Value
Engine Configuration
Inline 6, 4-Stroke-Cycle-Diesel
Bore
4.5 in
Stroke
5.9 in
Displacement
567.5 in³
Compression Ratio
17.0:1
Aspiration
Turbocharged Aftercooled (TA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Specification
Value
Length
83 in
Width
43 in
Height
68.5 in
Weight
3563 lb
Specification
Value
Width
34.3 in
Height
22.4 in
Weight
468 lb
Specification
Value
Diameter
13 in
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), China Nonroad IV and Korea Stage V 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.
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
  • 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

Regeneration. Cat Regeneration System maximizes fuel efficiency during regeneration. Transparent regeneration maximizes uptime. Aftertreatment life is twice as long as engine rebuild
Mounting. Industrial power units have standard horizontal mounting.
Service. Minimum 5000-hour diesel particulate filter ash service interval. PETU filter service is 5000 hours.