Marine Auxiliary Engine

Marine Diesel Engine

WP4CD 66-100 HP Diesel Engine

The Weichai WP4CD 66–100 HP Marine Diesel Engine is designed for compact vessels needing reliable propulsion with efficient fuel use. It features individual cylinder heads with honed liners, spin‑on oil filters, freshwater-cooled lube‑oil coolers, and a P‑type inline injection pump. Duplex fuel filters with water separation, a high‑quality heat exchanger, corrosion‑resistant marine‑grade paint, durable hoses and clamps, and a deep oil sump ensure durability, low maintenance, and consistent performance in marine settings.

SALIENT FEATURES

Individual cylinder heads with honed liners

Spin-on type oil filers

Fresh water-cooled lube oil coolers

Simple P-type inline injection pump

Duplex fuel filters fitted with water separator

High quality heat exchanger with expansion tanks

Five layers special metallic paint for long life against corrosion

High quality rubber hoses & clamps

Deep oil sump-extra operational care

TECHNICAL INFORMATION

Specification

Engine Series WP4
Engine model WP4CD66E200 WP4CD100E200
Disp. (L) 4.5
Cyl.No. (Bore X Stroke) 4; 105×130
Valve No. /Cyl. 2
Genset Out Power (KVA) 63 94
Engine Power /Speed (kW/rpm) 66/1500 100/1500
SAE SAE3/11.5 SAE3/11.5
Certificate IRS/BV

FAQ- ENGINE

Weichai is your all-around engine solution for commercial purposes. It will offer a quick understanding of the brand, product, and industry.

Q. What is a marine auxiliary engine?

A marine auxiliary engine powers onboard systems like lighting, pumps, refrigeration, and control systems when the main propulsion engine is not connected to the electrical load.

Q. Where are auxiliary engines used on ships?

They supply electrical and mechanical power for navigation systems, compressors, cranes, winches, HVAC systems, and essential daily ship operations.

Q. Are auxiliary engines fuel-efficient?

Yes, Weichai auxiliary engines are optimized for low fuel use during continuous 24×7 operation, ensuring low operating cost for ship owners

Q. Do auxiliary engines run independently from the propulsion engine?

Yes, they operate separately and keep ship systems running even when the vessel is stationary or in port.

Q. Are these engines reliable for continuous use?

Yes, they are designed for long duty cycles, low vibration, and stable power supply, ensuring dependable operation in tough marine environments.
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