At the rear of the hull was 2 circular ports, and on each side of the hull was a single circular port.4 The right side had an access door for the crew.4 Later models had a smoke candle rack installed on the rear hull.4
The driver of the M15/42 was at the front and to the left in the hull.3 The machine gunner/radio operator was on the right in the front.3
The engine was changed to a gasoline model as diesel stocks were dwindling.4
There were four sets of two wheel that were mounted to assemblies that had semi-elliptical springs.3 The drive sprocket was located at the front of the M15/42 and the idler at the rear.3 There were also three return rollers.3
Late models had a new drive sprocket with four large guide teeth.4
Most of the M15/42s were issued to the Ariete Division.3 Saw action in Italy against the Germans in Rome with the Ariete II Division.3
PzKpfw M15/42 738(i): 92 were confiscated from the Italian Army in September 1943, and 28 were produced in 1944.2 Had RF 1 CA radio installed.2
Issued to 3 Panzer detachments and the 22nd SS Maria Theresa division in April 1944.