Does your Kohler engine have the same shaft size? Model#CH20S-6450 has a bolt circle of 5-5/8" or 7-3/4". The base mounting is 7-1/4" x 3.50.
Kohler Command V-Twin Horizontal Engine with Electric Start — 20 HP, 1 7/16in. x 4.45in. Shaft, Model# CH20S-6450
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- Kohler 20 HP Command V-Twin 4-cycle, horizontal engine
- Oil Capacity
- Includes muffler and exhaust guard
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See All Horizontal Engines
See All Kohler Horizontal Engines
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Specifications
Specifications
Kohler Command V-Twin Horizontal Engine with Electric Start — 20 HP, 1 7/16in. x 4.45in. Shaft, Model# CH20S-6450
Honda Engines, HONDA 270CC 6:1 ENGINE, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX270UT2HA2
Honda Engines, HONDA 270CC OHV GENERATOR ENG, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 7/8 in, Model# GX270UT2XVA2
Honda Engines, HONDA 270CC OHV ELEC START, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX240UT2XQAE2
Engine Displacement
Same
624 cc
270 cc
270 cc
270 cc
Engine Type
Same
Command Pro V-Twin OHV
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
Shaft Diameter
Same
1 7/16 in
1 in
7/8 in
1 in
Shaft Length
Same
4.29 in
3.23 in
4.17 in
3.48 in
Start Type
Same
Electric
Recoil
Recoil
Electric and Recoil
Cylinders (qty.)
Same
2
1
1
1
Cylinder Bore
Same
Cast Iron
Cast Iron
Cast Iron
Cast Iron
Compression Ratio
Same
8.5:1
8.5:1
8.5:1
8.5:1
Fuel Tank
Same
No
-
-
Yes
Oil Capacity
Same
2 qt
1.16 qt
1.16 qt
1.16 qt
Shaft Rotation (From PTO Shaft Side)
Same
Counterclockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Ignition System
Same
Electronic
Electronic
Electronic
Electronic
Carburetor
Same
Fuel injection
Float, External Vent
Float, External Vent
Float, External Vent
Lubrication System
Same
Full pressure
Splash
Splash
Splash
Auto Compression Release
Same
Yes
-
-
Yes
Cooling System
Same
Air cooled
Air
Air
Air
Bore
Same
3 in
3 in
3 in
2.9 in
Stroke
Same
2.64 in
2.3 in
2.3 in
2.3 in
Air Cleaner Type
Same
Dual element
Dual Element
Dual Element
Dual Element
Fuel Filter
Same
In line
Yes
Yes
Yes
Charging System Amps
Same
20
-
-
3
Net Torque
Same
-
14.1 ft-lbs.
14.1 ft-lbs.
13.5 ft-lbs.
Crankshaft
Same
-
H-type
V-type
Q-type
PTO Height
Same
-
5.25 in
5.25 in
5.25 in
Net Power Output
Same
-
8.5 HP
8.5 HP
7.9 HP
Fuel Tank Capacity
Same
-
5.6 qt
5.6 qt
5.6 qt
Governor System
Same
-
Centrifugal Mechanical
Centrifugal Mechanical
Centrifugal Mechanical
Choke Control
Same
-
Manual
Manual
Manual
Throttle Control
Same
-
Manual
Remote
Remote
Shaft Keyway
Same
-
-
-
0.25 in
Low Oil Shutdown
Same
-
-
-
Yes
Low Oil Alert
Same
-
-
-
Yes
Muffler Included
Same
-
-
-
Yes