4045D

PowerTech™ 4045D Marine Engine

Smart and durable, this 4-cylinder, 4.5L diesel engine has a compact design for easy installation. Fewer external connections means fewer hoses or fittings that could leak or break. Internal balancers offer low noise and vibration for crew comfort.
Find more information on the key features of the product below:

WATERCOOLED EXHAUST MANIFOLD

Cooler and quieter environment for vessel and crew
Reduced external connections eliminates hoses and fittings that can leak or break

REPLACEABLE WET-TYPE CYLINDER LINERS

Excellent heat dissipation
Hardened and precision machined for long life
Rebuild to original specifications

INTERNAL BALANCERS

Low noise and vibration for crew comfort

CORROSION RESISTANT COMPONENTS

Provides engine protection from the effects of seawater

EITHER-SIDE SERVICE
Oil fill and dipstick combinations
Remote oil filter for easier service access
Application and service flexibility to provide installation convenience plus fast and easy maintenance

HEAT EXCHANGER OR KEEL COOLED

High-capacity heat exchanger designed for reliable operation in adverse conditions
Integrated expansion tank, heat exchanger and exhaust manifold reduce chances of leaks
Keel cooler or heat exchanger options provide application flexibility

HIGH TORQUE AND LOW RATED RPM
Enables the engine to turn larger propellers at lower speed for best efficiency
Excellent vessel control and manoeuvring
Lower rated rpm limits vibration and noise for better crew comfort

FUEL SYSTEM
Proven and reliable Mechanical Governor

Specifications

Watercooled Exhaust Manifold
Replaceable Wet-type Cylinder Liners
Internal Balancers
Corrosion Resistant Components

Rated speed (rpm) 2400-2600
Number of cylinders 4
Engine Type In-line, 4 Cycle
Bore and stroke (mm,mm) 107 x 127


Customer Reviews

Latest News & Sponsorships

Raffle for the flood-affected in Woodburn and Coraki, NSW

Woodburn and Coraki have been absolutely devastated by the latest floods in Norther NSW. Most families have lost everything. Thwaites Marine will be raffling 3x Batela Raincoats to raise money for the affected families. Every bit helps.

Laura Peregrin Thwaites Marine Owner

I have a background in diving and marine science. Before getting in business, I spent years on boats either doing research or teaching people to dive. When I met my husband Ben, he introduced me to all the technical aspects of boating: engines and hulls. We share a passion for the ocean and now we enjoy boating, sailing and surfing as a family of four.

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Pierre Gal, a French expat living on the mid-north coast of Australia, is this year entering the Sydney to Hobart boat race with the help of Thwaites Marine.

Sailing Club Coffs Harbour

Thwaites Marine sponsors the Coffs Coast Sprint Regatta, typically held in April each year. The harbour provides a unique atmosphere for sailing as a natural amphitheatre with many spectator options.

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