Panserkanon 44

The Panserkanon 44 was a Self Propelled Gun developed to provide a mobile fire support platform to the recently expanded armored forces of the Ringerike Army, the Pk.44A was originally intended to function more as an assault gun than self propelled artillery, but this decision was reversed not long after it's entry into service, which lead to the development of the Pk.44C, which remained as the primary self propelled artillery of the Ringerike Army until it's replacement with the Panserkanon 127 starting in 1967.

Panserkanon 44A
The Panserkanon 44A was armed with a 75mm gun and intended to function as an assault gun, being placed within infantry assault gun companies with six assault guns in each brigade. It was soon decided that this function was made redundant by other in service platforms, it was however realized that an effective self propelled howitzer could be made based on the same vehicle with minimal effort, thus leading to the Pk.44B.

Panserkanon 44B
The Panserkanon 44B saw the development of the platform into a dedicated self propelled howitzer, armed with a newly developed lightweight howitzer firing Semi-fixed 105 x 372mm ammunition out to an effective range of 10km, this variant was then further updated throughout it's life cycle as the Pk.44B until its full withdrawal in 1976.