Weichai’s WP10 and WP12 power thousands of heavy trucks across Africa, the Middle East and Latin America. Owners often ask whether parts interchange between the two. Here is the practical answer.
WP10 vs WP12 at a Glance
- WP10 — 9.726-litre platform, roughly 266–380 hp, the workhorse of HOWO and Shacman trucks built for Euro II–V markets.
- WP12 — 11.596-litre platform, roughly 336–460 hp, chosen for heavier loads and long-haul duty.
Do Parts Interchange?
Mostly no. The two engines have different displacements, so pistons, cylinder liners, crankshafts and cylinder heads do not interchange. A small number of accessories and sensors are shared, but never assume — always order by the OEM part number stamped on your old component.
Popular Parts for Each Platform
WP10
WP12
Get the Right Part First Time
Send your engine serial number and the old part number to our team — we confirm fitment before shipping and quote within 24 hours.
