CAT 3406 Marine Diesel Engine – 300 to 550 HP, 14.6L, Turbocharged

ReflowX SKU: REF-9214

Product Details

Quantity

2
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

Caterpillar Inc.
Equipment code

CFIHOS-30000683

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Short Description

Caterpillar 3406 inline 6-cylinder marine diesel engine with turbocharging and aftercooling, delivering 300–550 HP and ideal for commercial and auxiliary marine propulsion.

Description

CAT 3406 Marine Diesel Engine – 300 to 550 HP, 14.6L, Turbocharged

The CAT 3406 Marine Diesel Engine, manufactured by Caterpillar Inc. in Peoria, Illinois, USA, is a dependable and high-performance propulsion engine widely used in marine vessels. This inline 6-cylinder, 4-stroke diesel engine features a displacement of 14.6 liters (893 cubic inches), and delivers power outputs ranging between 300 to 550 horsepower depending on the specific marine rating. It is equipped with a turbocharged and seawater-aftercooled system, ensuring optimal combustion and performance even under continuous heavy-duty conditions. The engine uses either mechanical or electronic fuel injection systems, based on its configuration, and incorporates a closed-circuit jacket water cooling system with seawater heat exchanger. With a dry weight of approximately 1,370–1,600 kg and compact overall dimensions, the CAT 3406 is a proven choice for fishing vessels, patrol boats, ferries, and auxiliary marine drives requiring reliability and longevity.

Specifications:

– Engine Model: Likely CAT 3406
– Manufacturer: Caterpillar Inc., Peoria, Illinois, USA
– Brand: CAT® Marine Power
– Engine Type: 4-stroke, inline 6-cylinder diesel
– Fuel Type: Diesel
– Aspiration: Turbocharged and aftercooled
– Power Output: 300–550 HP (varies with marine rating)
– Displacement: 14.6 liters (893 in³)
– Bore x Stroke: 137 mm × 165 mm
– Cooling System: Jacket-water cooled with seawater heat exchanger
– Injection System: Mechanically governed or electronically controlled
– Weight (Dry): Approx. 1,370–1,600 kg
– Dimensions (Approx.):
• Length: ~1,700 mm
• Width: ~900 mm
• Height: ~1,200 mm
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Technical Details

Manufacturer Name	Caterpillar
Height	~1,200 mm
Width	~900 mm
Length	~1,700 mm
Weight	1,370–1,600 kg
Color	Yellow
ISO 15926 Pt 4	7622
PCA RDS Code	RDS13068410
CFIHOS ID	CFIHOS-30000683
Fuel type	Diesel
Output Power	300–550 HP
IFC Class	IfcEngine

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