Engineering References
- Diesel outboard (OXE Marine development from scratch)
 - 2L Inline 4 marine engine
 - 6.5L V8 marine engine
 - 6.6L marine engine
 - 12L Inline marine engine
 - 25L V12 marine engine
 - 2L Track vehicle engine/GM 6L50 gearbox
 - 2.8L track vehicle engine/GM8L90 gearbox
 - 6.6L Track vehicle/Allison
 - 6.6L Airboat engines
 - 2L diesel airplane engine
 - 6.6L Refinery pipe cleaning machine
 - 6.6L Airplane launcher