Cat^® C9.3 Diesel Engine

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.

Specifications
Standard & Optional Equipment

Height 22.4 in (570 mm)
Weight 213 lb (470 kg)
Maximum Power 400 HP (298 kW)
Maximum Torque 1268 lb-ft @ 1300 rpm (1719 Nm @ 1300 rpm)
Rated Speed ( )
Minimum Power 300 HP (224 kW)
Emissions ( )
Engine Configuration ( )
Bore 4.5 in (115 mm)
Stroke 5.9 in (149 mm)
Displacement 567.5 in³ (9.3 l)
Compression Ratio ( )
Aspiration ( )
Combustion System ( )
Rotation from Flywheel End ( )
Width 40.4 in (1025 mm)
Height 44.2 in (1123 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1950 lb (885 kg)
Length 36.5 in (926 mm)
Width 34.4 in (870 mm)
Length 33.6 in (854 mm)
Width 11.3 in (287 mm)
Height 21.7 in (551 mm)
Weight 42.8 lb (19.4 kg)
Volume Capacity 51.1 qt (US) (48.4 l)
Length 45.3 in (1150 mm)

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

Power Systems

Cat® C9.3 Diesel Engine