The Germans captured large numbers of MkIV's, repaired them and used them against their former owners. The Germans had far more captured MkIV's than they did their own A7V tanks.

The Germans considered replacing the Lewis machine guns with Maxims, but it was easier to re-chamber the Lewis to take the German '08 cartridge than to redesign the gun mounts.

The 6 pounders were another matter. The Germans discovered that their 5.7 cm gun used in the A7V could be easily adapted to fit the MkIV sponsons. There is debate over the origin of the 5.7 cm guns. They are variously described as Belgian or Russian, sometimes as "Sokol" guns.

The best information I have is that they were Nordenfeldt guns, designed by a Swede, made in England then sold to other nations, including Belgium and Russia, from whom the Germans captured them in sufficient quantity to equip their tanks.

They added a hatch to the roof of the driver's cupola of some vehicles. Germany deployed its tanks in Units (abteilungen) of 5 at full strength. Mix of male and female depended on how many of each had been captured and made serviceable. Assignment of individual tanks to a particular abteilung was usually permanent, but might change after a trip to the workshop. There were no battalions as such, or brigades.

Vehicle #153 "Hanni" was assigned to Kokampf in Berlin in 1918. Formerly Tank #4 of Sturmpanzer Abteilung 12