Recently, Weichai Power held commercial vehicle engine technology launch event at International Conference Center in Beijing. Weichai launched WP13 series engine.
Displacement of New launched WP13 engine is 12.54 liters, the max power is 605hp and the 550 horsepower engine between 1000-1300 RPM can achieve the maximum torque of 2500N.m that have the characteristics of low speed large torque.
Based on the existing WP12 engine, WP13 cylinder diameter increased from 126mm to 127mm, and the crankshaft, piston and the body was redesigned. The other components are the same as WP12 engine, thus it’s convenient to upgrade the products.
Source:
http://www.chinatrucks.com/news/2015/0122/article_5681.html