Cat® C9.3B Industrial Power Unit

Overview
Maximum Power
400 HP
Minimum Power
300 HP
Rated Speed
1800-2200 rpm
  • Exterior View

The Cat® C9.3 ACERT™ Industrial Diesel Power Unit is offered in ratings ranging from 250-340 bkW (335-456 bhp @ 1800-2200 rpm and meet U.S. EPA Tier 4 Final, EU Stage V emission 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.

Power Rating

Maximum Power
400 HP
Minimum Power
300 HP
Rated Speed
1800-2200 rpm

Emission Standards

Emissions
U.S. EPA Tier 4 Final

General

Engine Configuration
Inline 6, 4-Stroke-Cycle-Diesel
Bore
5 in
Stroke
6 in
Displacement
568 in³
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
17.0:1
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR

Power Unit Dimensions - Approximate

Length
1845-2042 mm (72.6-80.4 in)
Width
1094-1118 mm (43.1-44 in)
Height
1554-1741 mm (61.2- 68.5 in)
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
1678-1839 kg (3699-4055 lb)

Aftertreatment Dimensions - Approximate

Weight
130-212 kg (287-467 lb)
Width
714.4-870 mm (28.12-34.25 in)
Height
392.21-570 mm (15.44-22.4 in)
Diameter
304.8-330.2 mm (12-13 in)

PETU Dimensions - Tier 4 Final, Stage IV Only

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

Power Unit Dimensions

Width
44 in
Weight
4,055 lb
Length
80 in
Height
69 in

Aftertreatment Dimensions

Weight
468 lb
Height
22 in
Diameter
13 in
Width
34 in

PETU Dimensions - Tier 4 Final Only

Length
34 in
Width
11 in
Weight
43 lb
Volume Capacity
51 qt (US)
Height
22 in

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.

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.

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 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.

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.

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

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
  • 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

Tier 4 Final, Stage IV Aftertreatment Features

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.


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.


  • 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
    • Vibration damper
    • Lifting eyes
  • U.s. Epa Tier 4 Interim, Eu Stage Iiib Aftertreatment / Clean Emissions Control Equipment
    • Cat Regeneration System
    • 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
    • Cat Regeneration System
    • 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)
    • Available in 12V or 24V systems
    • Selective Catalytic Reduction (SCR)
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