Cat C12.9 High Performance Propulsion Engine

C12.9 High Performance Marine Propulsion Engine

Cat C12.9 High Performance Propulsion Engine

The C12.9 marine propulsion engine is ideal for high performance marine applications including yachts, fishing vessels, military vessels, governmental vessels and various other commercial high performance marine applications. The C12.9 is designed to be integrated with both the Cat Three60 Precision Control shaft line maneuvering and engine control solution as well as other marine industry throttle controls. The electronically-controlled C12.9 is offered in two power ratings: 850 mhp at 2300 rpm and 1000 mhp at 2300 rpm. Both ratings meet EPA Tier 3, IMO II, EU Recreational Craft Directive and EU Stage IIIA regulations. In addition to high power density, the C12.9 offers high torque at low engine speeds and fast acceleration throughout the entire engine speed range due to its air system design of integrated series turbochargers and a supercharger.

Product Specs

Dimensions & Weights

Length - Engine
57.6in
Height - Engine
42.7in
Width - Engine
43.7in

Engine

Configuration
In-line 6, 4-Stroke-Cycle Diesel
Rotation from Flywheel End
Counterclockwise
Displacement
787in³
Stroke
5.9in
Bore
5.31in
Aspiration
TA
Emissions
EPA Tier 3, IMO II, EU Stage IIIA
Speed Range
2300 rpm

Ratings

Power Range
850-1000 mhp, 838-985 bhp, 625-735 bkW

Equipment

Optional Equipment

  • Alternators
    • 24V 120 amp
    • 24V 160 amp
    • 12V 200 amp
  • Electric Starting Motor
    • 12V
    • 24V

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