Weichai Wp4.1 Marine Propulsion Diesel Engine Series (40-60kW)

• Cylinders: 4
• Fuel Type: Diesel
• Engine Capacity: 4.1-5L
• Model NO.: WP4.1
• Engine: 4 Stroke
• Engine Position: Inboard
• Condition: New
• Transport Package: Wooden Case
• Specification: 4.09L
• Trademark: Weichai
• Origin: China
• Production Capacity: 1000piece/Year

Product Description

Product Profile

Weichai WP4.1 marine diesel engine series is the newly developed high-speed engine based on marine engine user behavior and working conditions, relying on Weichai's 70 years of research and development experiences and introduction of advanced technology from home and abroad. The engine has a power of 40-60kW, compact structure, reliable operating, strong power, good economy, simple operation and convenient maintenance. The engine is developed according to the application status of similar products in the market. It is an ideal choice of power for small-sized offshore and inland river transport vessels, fishing boats and official business boat.

Product parameters

Series	4-Stroke,water cooling,In-Line,Dry cylinder sleeve	Number of cylinders	four
Cylinder Diameter/Stroke	105×118mm	Displacement	4.09L
specific lub-oil consumption	0.6g/kW·h	Crankshaft rotation direction (towards free end)	clockwise
Start Mode	Electric start	Idling	650±30r/min
Firing Order	1-3-4-2	Smoke intensity	≤1.5Rb
Noise	≤112dB(A)	Emission standard	IMO TIER II

Product Spectrum

Model	Air intake	Rated Power(kW/Ps)	Speed(r/min)
WP4.1C54-15	Turbocharge non-intercooled	40/54	1500
WP4.1C68-15	Turbocharge non-intercooled	50/68	1500
WP4.1C82-18	Turbocharge non-intercooled	60/82	1800

Remarks: Product parameters and portfolio are for reference only. For fishing vessel engine portfolio, please contact relevant personnel for official information.

Product Features

• Safe and reliable: High-strength engine body, crankshaft and connecting rod; integral cylinder head;
• Strong power: Sufficient torque reserve, excellent ship acceleration performance, and suitable for various working conditions;
• Cost-efficient and fuel-saving: Large-swirl-ratio throat ω-shaped combustion chamber improves the premixed fuel for good economic performance and clean smoke;
• Practical: Closed dual-cycle cooling system and large-flow sea water pump to ensure cooling capacity; real-time monitoring of water temperature, oil pressure and other parameters, with start, over-limit alarm and shutdown.