Detroit DD13 Engines for Sale

6 products

Shop our selection of used Detroit DD13 diesel engines, pulled from Freightliner Cascadia, M2 112, and Western Star trucks and tested before listing. The 12.8-liter inline-6 DD13 is built for regional haul, mixed-duty, and vocational work, rated from 350 up to 525 horsepower with peak torque reaching 1,850 lb-ft — a proven, fuel-efficient workhorse.

Every DD13 engine we sell has been pulled, inspected, and evaluated for compression, oil pressure, and overall running condition, so you know exactly what you're buying. Whether you're replacing a failed engine, sourcing a core for a rebuild, or need a dependable swap to get your truck back on the road, we ship nationwide and stand behind what we sell.

  • Displacement: 12.8L inline 6-cylinder

  • Horsepower range: 350-525 HP

  • Peak torque: up to 1,850 lb-ft

  • Fits Freightliner Cascadia, M2 112, and Western Star trucks

  • Pulled, inspected, and tested before sale

Have questions about mileage, serial number, or fitment for your truck? Contact our team — we're happy to help you find the right DD13 engine for your application.