Trumpeter Military Models 1/35 Morser Karl-Gerat 040/041 on Railway Transport Carrier Initial Version Kit

The self-propelled version of the 60cm siege mortar was ordered in June 1937. General Karl Becker of the Artillery was involved in the development; hence the name Karl was used to describe the gun. The driving trials were held at Unterluss in May 1940. Delivery of the six production vehicles took place from November 1940 to August 1941. In February 1941, discussions commenced. Concerning increasing the range of the weapon, and in May 1942, 54cm barrels (Gerat 041 ) were ordered for the six vehicles. At a conference with Hitler in March 1943, it was stated that the first 54cm Gerat 041 would be delivered by June 1943, and the third, by mid-August. The 60cm and 54cm barrels appear to have been interchanged as required. In 1945, US forces captured vehicle II with a 60cm, and vehicle V with a 54cm. The prototype chassis, built in 1939, had eight road wheels with external swing arms. production Karl had eleven road wheels. Ammunition was transported in a tracked Munitions schlepper converte