VPT D13J -

With the thoroughly revised generation Volvo put into series production from the second half of 2016, the D13 gained a new common-rail injection system and a redesigned "wave" piston bowl for a higher compression ratio and cleaner combustion; alongside it, Volvo introduced the D13TC turbo-compound variant, which mechanically returns exhaust energy to the drivetrain via an additional turbine stage.

Across its various development stages, the D13 has for years formed the backbone of Volvo's North American long-haul lineup and also powers coach chassis based on it, such as the Prevost H-Series.

When buying used, correctly matching the development stage to the model year matters, since injection pressure, piston geometry and EGR/SCR calibration differ noticeably between generations; a complete service record for the high-pressure injection system is a key quality indicator for a used D13 engine.