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C9.3B Tier 4 Diesel Engines - Highly Regulated

Cat® C9.3B Diesel Engine

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Overview

The Cat® C9.3B industrial diesel engine is offered in ratings ranging from 250-340 kW (335-456 hp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage V, China Nonroad (NR) Stage IV, Japan 2014, and Korea Stage V emission standards.

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Installation

With a full list of configurable options and an engine-mounted aftertreatment, the Cat C9.3B is an easy-to-install option that offers the power of larger engine platforms in a smaller engine package.

Advanced Features

Inlet throttle valve technology manages heat and in-cylinder dosing to create seamless DPF regeneration and a high-pressure common rail fuel system elimates the need for coolers, creating a simpler and lighter engine that's 18% more powerful than its predecessor engine—so operators get work done n...

Ideal Applications

Industrial, agricultural and construction applications such as: Pumps • Compressors • Chippers • Grinders • Asphalt paving equipment • Hydraulic power units • Bore rigs • Drill rigs • Tractors

Total Cost of Ownership

Between 500-hour oil service and 5000-hour DPF ash intervals and Caterpillar-patented design technology that enables the removal of EGRs, the need for parts and service keeps lifetime engine ownership costs down and ROI up. And because the Cat C9.3B uses the latest injector technology, owners can be...

Cat Dealer Product Support

Expert assistance is never far away with the Cat C9.3B. With an included warranty and product support through the expansive global Cat dealer network, worldwide service and maintenance is all part of the package. See your Cat dealer for details.

Safety

The Cat C9.3B is a finely tuned machine, running quieter and more efficiently than previous engines making it safer for job site operators who can stay focused on the task at hand.

Installation

With a full list of configurable options and an engine-mounted aftertreatment, the Cat C9.3B is an easy-to-install option that offers the power of larger engine platforms in a smaller engine package.

Advanced Features

Ideal Applications

Total Cost of Ownership

Cat Dealer Product Support

Safety

The Cat C9.3B is a finely tuned machine, running quieter and more efficiently than previous engines making it safer for job site operators who can stay focused on the task at hand.

General

Engine Configuration: In-Line 6, 4-Stroke-Cycle Diesel
Cooling System Capacity: 22 L (23.6 qts)
Lube System (refill): 30 L (31.7 qts)
Bore: 4.5in
Stroke: 5.9in
Displacement: 567.5in³
Aspiration: Turbocharged-Aftercooled (TA)
Compression Ratio: 17.0:1
Combustion System: Direct Injection
Rotation from Flywheel End: Counterclockwise
Engine Configuration: In-Line 6
Bore: 115 mm (4.53 in)
Stroke: 149 mm (5.87 in)
Displacement: 9.3 L (567.5 in³)
Cooling System - Capacity: 22 L (23.6 qts)
Lube System - Refill: 30 L (31.7 qts)
Aftertreatment: DOC+DPF+SCR

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length: 1125 mm (44.3 in)
Width: 791 mm (31.1 in)
Height: 1068 mm (42 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments): 865 kg (1907 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Length: 925 mm (36.4 in)
Width: 694 mm (27.3 in)
Height: 432 mm (17.0 in)
Weight: 96 kg (211 lb)

Power Rating

Minimum Power: 335HP
Maximum Power: 456HP
Rated Speed: 1800-2200 rpm
Maximum Torque: 1540lb-ft @ 1400 rpm

Emission Standards

Emissions: EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV

Engine Dimensions - Approximate

Height: 1068 mm (42 in)
Length: 1125 mm (44.3 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments: 865 kg (1907 lb)
Width: 791 mm (31.1 in)
Width: 31in
Height: 42in
Length: 44in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments: 1907lb

Aftertreatment Dimensions - Approximate

Height: 432 mm (17.0 in)
Length: 925 mm (36.4 in)
Weight: 96 kg (211 lb)
Width: 694 mm (27.3 in)

Aftertreatment Dimensions

Length: 36in
Width: 27in
Height: 17in
Weight: 211lb

Standard/Optional Features

Standard Equipment:

Air Inlet System
- Turbocharged
- Air-to-Air Aftercooled
- Mid-mount turbocharged system with front and rear exhaust configurations
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
- Available SAE 1 power take-off with optional SAE B, SAE C power take-off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Proposed Stage V)
Fuel System
- Electronic high pressure common rail
- Primary fuel filter
- Secondary and tertiary 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)
Power Take Off (pto)
- 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
Aftertreatment System
- Clean Emissions Module (CEM) consisting of Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC) and high-efficiency Selective Catalytic Reduction (SCR)
- Pump Electronic Control Unit (PETU)
- Available in 12V or 24V systems