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W Series Marine Engine

W Series Marine Engine

Description
The W series engine is designed for meeting the high power demands of heavy duty marine power systems. It is a new generation of marine diesel engine which is researched and developed on the basis of military products, and by introducing and absorbing internationally advanced technology. Its various technical indexes all have reached advanced levels.

This series engine is characterized by outstanding fuel economy, high torque reserve, compact structure, high reliability, good emission, etc. It is widely used in inland and coastal shipping, fishing boats, working ships, passenger ships and other ships, as well as 400-600KW marine generator sets.

Outline dimensional drawing
W Series Marine Engine SC33WL: 2551mm W: 1283mm H: 1898mm
Technical parameters
Model Aspiration method Continuous power/speed kW/r/min Overload power/speed kW/r/min Unlimited Navigation Areas rated power/speed kW/r/min Unlimited Navigation Areas overload power/speed kW/r/min Min.fuel consumption g/kW.h Oil consumption g/kW.h Weight kg Notes
SC33W680CA2 TA 500/1350 550/1390 490/1350 539/1390 195 ≤0.6 3400 Main engine
SC33W825CA2 TA 605/1500 665/1545 588/1500 647/1545 195 ≤0.6 3400 Main engine
SC33W680.1CA2 TA 500/1200 550/1236 / / 195 ≤0.6 3400 Main engine
SC33W625CA2 TA 460/1000 506/1030 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W680.2CA2 TA 500/1000 550/1030 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W680.1CA2 TA 500/1200 550/1236 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W735.1CA2 TA 540/1000 594/1030 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W770CA2 TA 565/1000 622/1030 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W825.2CA2 TA 605/1200 665/1236 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W825.1CA2 TA 605/1350 665/1390 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W880.1CA2 TA 650/1350 715/1390 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W880CA2 TA 650/1500 715/1545 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W950CA2 TA 700/1500 770/1545 / / 195 ≤0.6 3400 Dual-turbocharger main engine
SC33W1000CA2 TA 735/1500 809/1545 / / 195 ≤0.6 3400 Dual-turbocharger main engine
Bore × stroke (mm) Displacement (L) Type Aspiration Steady speed governing rate (%) Idling (r/min) Exhaust temperature (℃) Compression ratio Oil capacity (L)
SC33W 180×215 33 In-line, 6-valve TA-Turbocharged and intercooler 0%-5% 550 ≤550 15:01:00 75
Note
  • Flywheel house and flywheel are SAED# and SAE1B#.
  • The high pressure oil pipe is two-layer.
Features
  • Four-valve per cylinder, P11 high quality oil pump and double turbocharger configuration can increase air flow to make the combustion more full. The minimum specific fuel consumption is 193g/kW.h and the oil consumption is 0.3g/kW.h,delivering low operating costs.
  • With a gantry type cylinder block structure and rear gear chamber, this engine has features of compact structure, high overall rigidity and smooth operation. And it is strictly checked and verified according to MHI standard with high reliability. And its power has improved by 17% compared with the domestic similar products. The torque is more than 4500N.m, the power covers a wide range, and the acceleration performance is good.
  • This engine is equipped with dual-layer high-pressure oil pipe, dual-booting flywheel house with optional single and dual booting and optional electric/manual priming oil pump, having complete configuration and wide application.
  • W series engine adopts one cylinder and one head structure and the overall appearance is simple, with good accessibility and convenient maintenance.

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