Riggs Cat

C9.3 Commercial Propulsion Engine

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Specification Summary

Power Range
375-476 bhp (280-355 bkW)
Speed Range
1800-2300 rpm
Emissions
EPA Tier 3 Commercial, IMO II, EU IW
Aspiration
TA
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Power Rating

Power Range
375-476 bhp (280-355 bkW)

Engine Specifications

Speed Range
1800-2300 rpm
Emissions
EPA Tier 3 Commercial, IMO II, EU IW
Aspiration
TA
Bore
4.53 in
Stroke
5.87 in
Displacement
568 in³
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

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

*Preliminary Information* 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.