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Industrial

Cat® C9.3 Diesel Engine

  • Maximum Power
    400 hp
  • Maximum Torque
    1268 lb-ft @ 1400 rpm
  • Rated Speed
    1800-2200 rpm
  • Minimum Power
    300 hp
Power Rating
Maximum Power
400 hp
Maximum Torque
1268 lb-ft @ 1400 rpm
Rated Speed
1800-2200 rpm
Minimum Power
300 hp
Emission Standards
Emissions
U.S. EPA Tier 4 Final
General
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Engine Configuration
In-Line 6
Bore
4.5 in
Stroke
5.9 in
Displacement
567.5 in³
Compression Ratio
17.0:1
Aspiration
Turbocharged-Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Cooling System Capacity
22 L (23.6 qts)
Lube System
30 L (31.7 qts)
Engine Dimensions - Approximate
Length
45.3 in
Width
40.4 in
Height
44.2 in
Weight
1950 lb
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
885 kg (1950 lb)
Aftertreatment Dimensions
Length
36.5 in
Width
34.4 in
Height
22.4 in
Weight
213 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)
Aftertreatment Dimensions - Approximate
Width
714.4-870 mm (28.12-34.4 in)
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)
PETU Dimensions - Tier 4 Final Only
Length
33.6 in
Width
11.3 in
Height
21.7 in
Weight
42.8 lb
Volume Capacity
51.1 qt (US)
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)
PETU Dimensions - Tier 4 Final, Stage IV Only
Weight
19.42 kg (42.8 lb)
Height
551 mm (21.7 in)
Volume Capacity
48.4 L (51.1 qt)
Width
287 mm (11.3 in)
Length
854 mm (33.6 in)
  • 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