Select page: PICT-20.1 20 Engine MM18194 ST842340 Engine and Throttle ST853437 Crankshaft and Piston ST853478 Cylinder Head and Crankcase ST853486 Camshaft and Valves ST853502 Oil Filter and Dipstick ST853504 Engine Shrouds and Fan ST853554 Home Maintenance Kit (010001 - ) Other parts group: 100 Attachment and Kits 110 Snowblowers, 44 inch 20 Engine MM18194 30 Fuel and Air 40 Electrical 50 Powertrain 60 Steering and Brakes 70 Hydraulics 80 Wheels, Frame and Operators Station 85 Mower Deck, 48A inch 88 Mower Deck, 54A inch 90 Labels 92 Material Collection System