Weichai WP3N Engine Guide to Reliable Bus Performance
The Weichai WP3N is a 2.97L inline-four diesel engine designed for front-mounted light buses and city buses. Its Euro VI model range covers 116–147 kW, with peak torque reaching 600 N·m at 1300–1600 rpm, depending on the model. The engine combines electronically controlled common rail fuel injection with DOC, DPF, and SCR aftertreatment. Key characteristics
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