sentences:  This gun could traverse 7° to each side, elevate 10° and depress -15°.It carried 15 rounds for the main gun.The chassis was left over from Henschel's submission for the canceled VK 30.01 heavy tank program, but the hull was stretched and an extra road wheel added to its overlapped and interleaved "Schachtellaufwerk" roadwheel-based suspension system, to accommodate the large gun, which was mounted on a pedestal ahead of the engine.