Weichai WP10H400E62 engine is the heart of this howo dump trucks. This inline six-cylinder turbo diesel engine is with a displacement of 9.5 liters.It’s maximum output a is  294KW and power of 400 horsepower. The maximum torque is 1900 Nm and the maximum torque. The maximum torque speed is 1200-1300 rpm, and the rated speed is 1900 rpm

This engine uses high-efficiency SCR after-treatment technology. Unlike most engines use EGR system. It’s entire after-treatment mainly relies on DOC + DPF + high-efficiency SCR.