Single Cylinder Engines

Single Cylinder Engine

When performance, durability and long life are essential, Generac's single cylinder OHVI engines are the answer. Only Generac builds full pressure lubrication into every OHVI single cylinder engine it builds. Generac's GSH220/410 engines are long lasting, industrial engines that meet the demands associated with extended hours and heavy loads.


Displacement 407 cc 216 cc
Cylinders Single Single
Horizontal Model GSH410 GSH220
Vertical Model - -
Durable, Long-Life
Full Pressure Lubrication Yes Yes
Automotive Grade Spin-On Oil Filter Yes Yes
Low Oil Pressure Switch Yes Yes
Three Ring Piston Design Yes Yes
Chrome Compression Ring Yes Yes
Hardened Crankshaft and Camshaft Yes Yes
Hardened Valves and Seats Yes Yes
Heavy Duty Canister Air Cleaner N/A N/A
Cast Iron Cylinder Liners Yes Yes
Superior Engine Cooling Yes Yes
Optimal Weight to Displacement Ratio Yes Yes
Extra Deep Cooling Fins Yes Yes
High Volume Oil Cooler N/A N/A
Easy Starting
Electronic Ignition Yes Yes
Solenoid Shift 12 Volt Electric Starter N/A N/A
12 Volt Electric Start Optional Optional
Compression Release Yes Yes
Recoil Start Standard Standard
Quiet Running
Oversized Muffler N/A N/A
Heavy Duty Canister Style Muffler N/A N/A
Helical Cut Gears Yes Yes
Cam Ground Piston with Offset Piston Pin Yes Yes