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Horizontal Shaft Honda Engine Dimensions GX31 Horizontal Models GC160 G100K1 GX120 GX160 GX200 GX240 GX270 GX340 GX360 GX390 GX610 & GX620 GX670 24.0 h.p. Vertical Shaft Honda Engine Dimensions GXV140 Vertical Models GXV160 GXV340 GXV390 GCV160 GXV610 & GXV620 GXV670 GXV530 Click here if you need help finding your old engine numbers. Click here to see muffler options for Twin Engines.

Honda 20 HP
GX620-QAF
1"(25.4) x 2.91"(74) Crankshaft
Drilled and Tapped 3/8-24 (crankshaft bolt)
12 Volt Electric Start
12 Volt 20 Amp Charging
Pressure Lubrication with Oil Filter
No Keyswitch (Control Box)
Aux PTO Fan Cover
Remote Throttle & Choke (wire)

3600 RPM, Fuel Pump
Transistorized Magneto Ignition Oil
Capacity: 1.9 Quarts with Oil Filter
Dual Element Air Cleaner
No Tank, No Muffler

Weight 92.6 lbs Dry Weight
Honda Code: 644280
Also Use: GX620U1-QAF

* Picture doesn't reflect correct blower housing.