CH1000-3016 - Kohler Command PRO Twin Engine, Made for Vermeer, 37hp, 27.5kW 02 CrankCase Parts Diagram. Command PRO Twin Engine, Made for Vermeer, 37hp, 27.5kW. 02 CrankCase Parts Diagram. Title; 2. Kohler M-551020-S. SCREW, HVY FLG M5X0.8X20 $ 2.49 $ In Stock, only 2 left! Add to Cart 0. 3.