4 model

Free

Diesel engine V8 Turbo

Thingiverse

Free

Cummins Diesel engine

Thingiverse

Free

3D Model of KAMAZ 740.3 Engine (KAMAZ-5350)

Sketchfab

Free

DM1U (utility railbus) for KATO 11-109 from Derail Valley

Cults3D