Ordnance manual for Power unit medium tanks M3A4 and M4A4.TM9-91750F

This manual contains detailed instructions for inspection, disassembly, assembly, maintenance and repair of the power unit for medium tanks M3A4 and M4A4.

The power unit consists of 5 L head water cooled engines mounted radially on a common crankcase.

First produced in April 1943

Over 300 sides, lots of pictures and line drawing. Supplied loose leaf.Card covers.First generation copy.