Group 21 Engine
- 210 General
- 211 Cylinder head
- 212 Cylinder block, flywheel casing
- 213 Cylinder liner and piston
- 214 Valve mechanism, tappets and rocker arm shaft
- 215 Timing gears, cover, gear wheels and camshaft
- 216 Crank mechanism, flywheel and ,ring gear, damper
- 217 Oil sump
- 218 Engine mounting
- 219 Miscellaneous