Kohler CH640-3221 Horizontal Command PRO Engine, Replaces CH640-3159
Kohler CH640-3221 Horizontal OHV Command PRO Engine, Stub Shaft with Flywheel Drive Adapter, Electric Start with 15 Amp Charging, 20.5 Gross HP, 674cc, 35.7 ft lbs Torque, Walker ZTR Spec
Engine Information
Brand
Kohler
Model Number
PA-CH640-3221
Replaces Models
PA-64554
Warranty
3 Year Limited
Available to California
Not Available to Ship to California
What’s in the Box
Includes engine, owner’s manual and exhaust gaskets.
Dimensions
Weight
107.0 lb
Power
Power Output
20.5 Gross HP
Torque
35.7 ft lbs
Max RPM
2400
Crankshaft
Orientation
Horizontal
Type
Stub Shaft with Flywheel Adapter
Diameter
N/A
Length
Flush
Dimensions
N/A
Other Engine Specifications
Starter Type
Electric
Ignition System
Electronic
Carburetor
Two-Barrel
Number of Cylinders
Two
Cylinder Bore
Cast Iron Liners
Air Cleaner
Pleated Paper
Oil Capacity
2.0 qt
Fuel
Gasoline
Bore x Stroke
3.1″ x 2.6″
Compression Ratio
8.5 : 1
Charging System
15 Amp
Engine Notes
E13 Walker ZTR spec
Manuals
Owner’s Manual
Service Manual
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