C9.3 Tier 4 Diesel Engines - Highly Regulated

C9.3

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Maximum Power: 400.0 HP; 298.0 kW

Maximum Torque: 1268.0 lb-ft @ 1400 rpm; 1719.0 Nm @ 1400 rpm

Emissions: U.S. EPA Tier 4 Final Nonroad; U.S. EPA Tier 4 Final Nonroad

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Overview

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.

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.
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High Performance

Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.
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Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
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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.
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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.
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Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.
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World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOS^SM 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
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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 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.

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

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

Scheduled maintenance, including SOS^SM 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

Full Specifications Standard Equipment

Product Specifications for C9.3

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US
Metric

Power Rating

Maximum Power	400.0 HP 298.0 kW
Maximum Torque	1268.0 lb-ft @ 1400 rpm 1719.0 Nm @ 1400 rpm
Rated Speed	1800-2200 rpm 1800-2200 rpm
Minimum Power	300.0 HP 224.0 kW

Emission Standards

Emissions

U.S. EPA Tier 4 Final Nonroad U.S. EPA Tier 4 Final Nonroad

General

Engine Configuration	In-Line 6 In-Line 6
Bore	4.5 in 115.0 mm
Stroke	5.9 in 149.0 mm
Displacement	567.5 in³ 9.3 l
Aspiration	Turbocharged-Aftercooled (TA) Turbocharged-Aftercooled (TA)
Compression Ratio	17.0:1 17.0:1
Combustion System	Direct Injection Direct Injection
Rotation from Flywheel End	Counterclockwise Counterclockwise

Engine Dimensions - Approximate

Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1950.0 lb 885.0 kg
Length	45.3 in 1150.0 mm
Height	44.2 in 1123.0 mm
Width	40.4 in 1025.0 mm

Aftertreatment Dimensions

Length	36.5 in 926.0 mm
Weight	213.0 lb 470.0 kg
Width	34.4 in 870.0 mm
Height	22.4 in 570.0 mm

PETU Dimensions - Tier 4 Final Only

Height	21.7 in 551.0 mm
Volume Capacity	51.1 qt (US) 48.4 l
Width	11.3 in 287.0 mm
Weight	42.8 lb 19.4 kg
Length	33.6 in 854.0 mm

C9.3 Standard Equipment

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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

See how C9.3 compares against frequently compared products.

US
Metric

Industrial C9.3

Maximum Power: 400.0 HP; 298.0 kW
Maximum Torque: 1268.0 lb-ft @ 1400 rpm; 1719.0 Nm @ 1400 rpm
Emissions: U.S. EPA Tier 4 Final Nonroad; U.S. EPA Tier 4 Final Nonroad

Selected Model

Industrial C9.3B

Maximum Power: 456.0 HP; 340.0 kW
Maximum Torque: 1540.0 lb-ft @ 1400 rpm; 2088.0 Nm @ 1400 rpm
Emissions: U.S. EPA Tier 4 Final and EU Stage V Nonroad Emission Standards.; U.S. EPA Tier 4 Final and EU Stage V Nonroad Emission Standards.

Model Details

Industrial C13B

Maximum Power: 577.0 HP; 430.0 kW
Maximum Torque: 1943.0 lb-ft @ 1400 rpm; 2634.0 Nm @ 1400 rpm
Emissions: Will meet EU Stage V; Will meet EU Stage V

Model Details

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