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Caterpillar

C9.3 Commercial Propulsion Engine

The C9.3 ACERT propulsion engine has a B rating of 375 bhp (280 bkW) at 1800 rpm, a C rating of 416 bhp (310 bkW) at 2100 rpm, and a D rating of 476 bhp (355 bkW) at 2300 rpm. The C9.3 propulsion, auxiliary, and generator set engines have a common rail fuel system for optimal combustion and lower emissions. Cooling system options for the propulsion and auxiliary engines include heat exchanger with sea water aftercooling, and keel with combined circuit or separate circuit aftercooling. The genset packages are available with heat exchanger, keel, or radiator cooling. These products are EPA Tier 3 and IMO II certified. In addition the propulsionengine ratings are EU Stage IIIA certified and auxiliary and gen sets are also CCNR Stage II certified.

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Features

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Specifications

Spec Value
Power Range 375-476 bhp (280-355 bkW) 375-476 bhp (280-355 bkW)
Spec Value
Speed Range 1800-2300 rpm 1800-2300 rpm
Emissions EPA Tier 3 Commercial, IMO II, EU IW EPA Tier 3 Commercial, IMO II, EU IW
Aspiration TA TA
Bore 4.53 in 115 mm
Stroke 5.87 in 149 mm
Displacement 568 in³ 9.3 l
Rotation from Flywheel End Counterclockwise Counterclockwise
Configuration In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel
Spec Value
Width – Engine 38.5 in 978 mm
Height 43 in 1093 mm
Length – Engine 57.2 in 1452 mm
Engine Dry Weight – Approximate 945-1122 kg (2083-2474 lbs) 945-1122 kg (2083-2474 lbs)

Optional Equipment

Dual starting motors

  • 24V electric and air
  • 24V electric (2)

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