WEICHAI
Weichai Powers Indonesia"s First Dedicated LNG Container Vessel
2026-09-18
The container vessel Digul Mas, powered by the Weichai 6M33NG marine gas engine, recently completed its successful maiden commercial voyage in Indonesia. Built and invested by PT Temas Tbk, a leading Indonesian container liner and integrated logistics operator, the ship marks Indonesia"s first commercially operating electric-propulsion container vessel powered solely by LNG, delivering an innovative green propulsion solution to the regional maritime sector.

Measuring 118 meters in length and 17 meters in beam with a gross tonnage exceeding 6,000 tons, the vessel features an electric propulsion design, with primary propulsion power supplied by gensets driven by Weichai 6M33NG marine gas engines. Operating primarily on Indonesian inter-island container routes characterized by long distances and offshore conditions, the vessel demands exceptional reliability from its powertrain system.

Developed on the M33 platform with a safety-first design philosophy, the Weichai 6M33NG marine gas engine incorporates double-wall gas piping and a gas valve unit (GVU) to ensure maximum safety and reliability. Its advanced technical architecture — combining lean burn, spark ignition, closed-loop oxygen control, and closed-loop knock control — delivers more complete combustion and superior gas efficiency. Compared with equivalent diesel alternatives, it cuts carbon dioxide emissions by approximately 20% to 25% and achieves near-zero emissions of sulfur oxides (SOx) and particulate matter (PM), demonstrating outstanding environmental performance.

With over 40 years of deep cultivation in the Indonesian market, Weichai achieved counter-trend market share growth in 2026 to lead the marine engine industry, capturing nearly 60% of the marine auxiliary engine segment. Embracing Indonesia"s transition toward green shipping, Weichai will continue to accelerate the industry"s sustainable transformation with its comprehensive portfolio of low-carbon, clean powertrains and full lifecycle marine services.

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