20.5 hp, Kohler Command Pro Engine, E16, CH640-3230, 674cc, With Control Panel, Free Shipping, No Tax, 

Replaces Old Kohler Spec # PS64503, 64503, CH640-3004, CH640-3205

Good Replacement for 62613

Engine Controls-Key Switch, Throttle and Choke Controls
Overhead Valve Design
Hydraulic Valve Lifters
Cast-Iron Cylinder Liners
Electronic Ignition
Large Capacity Dual Element Air Cleaner
High Efficiency Grass Screen and Fan
Closed Breather System
Stellite Exhaust Valves
Full Pressure Lubrication
Large Capacity In-Line Fuel Filter
Easy Access Valve Cover Oil Fill-Yellow
Oil Level Dipstick-Yellow
Large Capacity Oil Filter, Dual Oil Drain
Oil Sentry (Switch Installed and Wired but Unconnected)
Variable Speed Governor
Fuel Shutdown Solenoid, Smart-Choke Carburetor
Mechanical Fuel Pump
High Performance Spark Plugs
12 Volt Solenoid Shift Starter
15 Amp Alternator, Regulated
Crankshaft-1.125" (1 1/8")(28.5 mm) Diameter x 4.0" (102 mm) PTO Length, 0.25" (6 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