Marine Auxiliary Engine

Marine Diesel Engine

WP12CD 317 HP Diesel Engine

The Weichai WP12CD 317 HP Marine Diesel Engine delivers powerful and dependable propulsion for medium to large marine vessels. It features individual cylinder heads with honed liners, combined spin‑on and duplex oil filters, fresh‑water cooled lubrication with plate‑type oil coolers, and a P‑type inline injection pump. Duplex fuel filters with a water separator, a high‑quality heat exchanger, corrosion‑resistant marine‑grade paint, premium hoses and clamps, and a deep oil sump ensure durability, low maintenance, and stable operation under demanding sea conditions.

SALIENT FEATURES

Individual cylinder heads with honed liners

Spin-on type and duplex type oil filers

Fresh water-cooled lube and plate type 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 model WP12CD317E200
Disp. (L) 11.596
Cyl.No. (Bore X Stroke) 6-126×155
Valve No. /Cyl. 4
Genset Out Power (KVA) 313
Engine Power /Speed (kW/rpm) 317/1500
SAE SAE1/11.5
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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