20.5 hp, Kohler Command Pro Engine, CH640-3126, 674cc, Simplicity Sun Star
Replaces 64512 / PA64512 CH640-3110
Good replacement for 75514 on Walker
Shortblock 24522130
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Standard Features:
Overhead Valve Design
Hydraulic Valve Lifters
Cast-Iron Cylinder Liners
Electronic Ignition
Closed Breather System
Stellite Exhaust Valves
Full Pressure Lubrication
Large Capacity In-Line Fuel Filter
Oil Sentry (Switch Installed and Wired but Unconnected)
Variable Speed Governor
Fuel Shutdown Solenoid
Pulse Fuel Pump
12 Volt Solenoid Shift Starter
15 Amp Alternator, Regulated
Wiring Harness 2417640
Crankshaft 24014347 S -1.125" (28.5 mm) Diameter x 2.787" (70.8 mm) PTO Length, .250" (6.36 mm) Keyway, Drilled and Tapped 1.5" (38 mm) Deep, 7/16-20 UNF
PTO Face-5.625" (143 mm) Diameter, (4 Holes) 3/8-16 x 0.67" (17 mm) Deep, 7.75" (197 mm) Diameter, (4 Holes) 7/16-14 x 0.83" (21 mm) Deep · 7" (178 mm) Diameter Pilot · Color-Black with Cast Aluminum