World's Smallest Caterpillar Engine Rebuild

Crankcase stripped down

Cylinder Block

Me with the engine after installing crankshaft, piston, connecting rod, camshaft and timing gears.

After making new crankcase gasket right before buttoning the crankcase back up.

Head stripped down without springs or valves

Head with valves and springs installed

Piston and top of block

Head installed on block

Flywheel installed on crankshaft

Valve cover and flywheel cover installed

Govenor fuel oil control arms

Complete engine rebuild

Is that not the smallest Caterpillar engine you have ever seen?