GX390XQA - 11.7 Net Power Honda Engine, Horizontal 1"x3-21/32" Keyed Shaft, Recoil Start (49-state emissions) (GX390XQA)

GX50NTS3 - 2.0hp OHC Mini 4 Stroke Clutch-Drive (Horizontal or Vertical Mount) Honda Engine (GX50NTS3)

FR730V-S00-S - 24hp Vertical 1"x3-5/32" Shaft, Fuel Pump, Electric Start, Kawasaki Engine (FR730V-S00-S)

Kawasaki: FR730V-CS00S;FR730V-DS00S;FR730V-ES00S;FR730V-FS00S;FR730V-GS00S;FR730V-HS00S;

FX730V-S00-S - 23.5hp Kawasaki Engine, Vertical 1-1/8"x4-9/32" Keyed Shaft, Electric Start, Fuel Pump, Oil Cooler, 15 Amp Alternator, Canister Air Filter (FX730V-S00-S)

130G32-0022 - 6.5hp Briggs & Stratton XR950 Series Engine, Horizontal 3/4"x2-27/64" Shaft, Recoil Start, Dual Ball Bearing, Low Oil Shutdown (130G32-0022)

21R707-0130 - 10.5hp Briggs & Stratton Engine, Vertical 1"x3-5/32" Shaft, Recoil + Electric Start, 16 Amp Alternator, Fuel Tank, Muffler, Heavy Flywheel (21R707-0130)

31R977-0054 - 17.5hp Briggs & Stratton Engine, Vertical 1"x3-5/32" Shaft, Electric Start, 9 Amp Alternator, Fuel Pump (31R977-0054)

356447-0080 - 18hp Vanguard Horizontal 1"x2 29/32" Keyed Shaft, Electric Start, Key Switch, Throttle Lever, Briggs & Stratton Engine (replaces 356447-3079) (356447-0080-G1)

124P02-0002 - 8.75 ft-lbs Briggs & Stratton 875 Professional Series Engine, Vertical 7/8" x 1-13/16" Shaft, OHV, Recoil Start, Ready Start, Fixed Throttle, Heavy Flywheel, On/Off Switch (124P02-0002)

33S877-0043 - 19hp Briggs & Stratton EX1900 Series Engine, Vertical 1"x3-5/32" Shaft, Electric Start, 9 Amp Alternator, Fuel Pump, Choke-a-Matic (replaces 33S877-0019) (33S877-0043)