C9.3 Auxiliary Engine
C9.3 Marine Auxiliary Engine
DESCRIPTION
C9.3 Marine Auxiliary EngineKey Features & Benefits
- Electronic control system provides industry-leading torque and throttle response at low speeds, while maintaining fuel efficiency at high speeds
- Common rail fuel system enables optimum combustion and low emissions
- RH and LH locations service options for fuel and oil filters, as well as dipstick location for easily accessible service
- Compatible with Cat® displays
- Available remote-mounted display panel with start, stop, and engine diagnostics
- 12V or 24V electrical system
- Certified by all marine classification societies
- Utilizes SCR technology enabling IMO III emissions compliance while lowering operational costs
- Standard Equipment
- Optional Equipment
- Specs
- Docs
Standard Equipment
- STANDARD EQUIPMENT
- Vibration damper and guard
- Engine oil cooler
- Thermostats and housing
- Gear-driven sea water pump (self-priming)
- Electronic control system
- Water-cooled turbocharger and exhaust manifold
- Primary fuel filters
- Common rail fuel system
- Corrosion-resistant Sea water aftercooler
- Shell and tube jacket water heat exchanger
Optional Equipment
- OPTIONAL ATTACHMENTS
- Electric fuel priming pump
- Fuel cooler
- Transmission gear oil cooler (engine mounted for HEX)
- Additional engine and transmission sensor packages
- Alternators - 24V 70 or 105 amp, 12V 110 amp
- Electric starting motors - 12V or 24V
- Instrument panels
- PTO Drives - V-belt pulley stack, stub shaft
- Double wall fuel rail
- Duplex fuel and oil filters
- Air starting motor
- Closed crankcase ventilation
- Dual electric starting motors or combined electric/air
Specs
Overview
Long Name:
C9.3 Marine Auxiliary Engine
Name:
C9.3 Auxiliary Engine
Brand:
Caterpillar
Status:
Current
Power Rating
Power Range
292 bhp - 436 bhp (218 bkW - 325 bkW)
Engine Specifications
Rated Engine Speed
1,500, 1,800 rpm
Aspiration
Turbocharged-aftercooled
Stroke
5.8 in / 149 mm
Bore
4.5 in / 115 mm
Displacement
567.5 in³ / 9.3 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Emissions
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
Dimensions & Weights
Width - Engine
38.5 in / 978 mm
Height
43 in / 1093 mm
Length - Engine
57.2 in / 1452 mm
Engine Dry Weight - Approximate
2083-2474 lbs (945-1122 kg)
Engine Specifications
Cooling
Heat exchanger and separate or combined keel cooled options
Oil Change Interval
500 hrs
Governor
Electronic
Flywheel Housing
SAE No. 1 (113 teeth)
Refill Capacity
Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
SEE HOW C9.3 Auxiliary Engine COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.
Auxiliary Engines
C9.3 Auxiliary Engine
- Brand
- Caterpillar
- Status
- Current
- Power Range
- 292 bhp - 436 bhp (218 bkW - 325 bkW)
- Rated Engine Speed
- 1,500, 1,800 rpm
- Aspiration
- Turbocharged-aftercooled
- Stroke
- 5.8 in / 149 mm
- Bore
- 4.5 in / 115 mm
- Displacement
- 567.5 in³ / 9.3 l
- Configuration
- In-Line 6, 4-Stroke-Cycle Diesel
- Emissions
- IMO II, IMO III, U.S. EPA Tier 3, China Stage II
- Height
- 43 in / 1093 mm
- Cooling
- Heat exchanger and separate or combined keel cooled options
- Oil Change Interval
- 500 hrs
- Governor
- Electronic
- Flywheel Housing
- SAE No. 1 (113 teeth)
- Refill Capacity
- Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
Selected Model
Auxiliary Engines
C7.1 Tier 3 / IMO II
- Brand
- Caterpillar
- Status
- Current
- Power Range
- 208 bkW (280 bhp) @ 2300 rpm
- Rated Engine Speed
- 2300 rpm
- Aspiration
- Turbocharged-aftercooled aspiration
- Stroke
- 5.31 in / 135 mm
- Bore
- 4.13 in / 105 mm
- Displacement
- 428 in³ / 7.01 l
- Configuration
- In-line 6, 4-stroke-cycle diesel
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified (commercial), RCD 2016 compliant, EU Stage IIIA compliant, CCNR Stage II through reciprocity with EU Stage IIIA
- Height
- 35.1 in / 891 mm
- Cooling
- Heat exchanger or keel cooled
- Oil Change Interval
- 500 hrs
- Governor
- Electronic (A5E2 V2 ECM)
- Flywheel Housing
- SAE No. 03 with SAE 11.5 in flywheel
- Refill Capacity
- Lube Oil System w/Oil filter change: 20 L (5.3 gal)
Auxiliary Engines
C4.4 (Electronic)
- Brand
- Cat
- Status
- Current
- Power Range
- 71/81/108/129 bkW @ 1800 rpm, 71/86/108 bkW @ 1500 rpm
- Rated Engine Speed
- 1500/1800 rpm
- Aspiration
- Turbocharged-aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW))
- Stroke
- 5 in / 127 mm
- Bore
- 4.13 in / 105 mm
- Displacement
- 268 in³ / 4.4 l
- Configuration
- In-line 4, 4-stroke-cycle diesel
- Emissions
- U.S. EPA Tier 3 certified, EU Stage V certified
- Height
- 40.9 in / 1038 mm
- Cooling
- Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling
- Oil Change Interval
- 500 hrs
- Governor
- Electronic (A5 ECM)
- Flywheel Housing
- SAE No. 03 with SAE 11.5 flywheel (126 teeth)
- Refill Capacity
- Lube Oil System w/Oil filter change: 11 L 2.8 gal)