This engine is equipped with an oil filter.
Kohler Electric Start Horizontal Engine - 20.5 HP, 674cc, Gasoline, 1 1/8in. Shaft Diameter, Model# PA-CH640-3264
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$2299.99
- Integrated oil coolers extend oil-change intervals and maintain low temperatures during the entire power range
- High-efficiency, heavy-duty air filters provide protection from debris and ensure longer service intervals
- Extra-large sleeve bearings support heavy loads in commercial and industrial environments
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Specifications
Specifications
Kohler Electric Start Horizontal Engine - 20.5 HP, 674cc, Gasoline, 1 1/8in. Shaft Diameter, Model# PA-CH640-3264
Kohler Liquid-Cooled Horizontal Diesel Engine, 1,028cc, 23.7 HP, Model# PA-KDW1003-1001B
Kohler Command PRO V-Twin OHV Horizontal Replacement Engine - 25 HP, 725cc, 1 1/8in. x 2 3/4in. Shaft, Model# PA-CH740-3117
Kohler Horizontal 4-Stroke Diesel Engine - 9.1 HP, Air-Cooled, 12V Electric Start, Model# PA-KD440-2101C
Engine Displacement
Same
674 cc
1,028 cc
725 cc
441 cc
Engine Type
Same
Gasoline
Diesel Horizontal
Command Pro V-twin OHV
Diesel Horizontal
Shaft Diameter
Same
1-1/8 in
Group 8 Housing
1-1/8 in
-
Shaft Diameter Metric
Same
28.5 mm
Grp 8
-
-
Shaft Length
Same
4 in
Grp 8 in
2.75 in
-
Shaft Length Metric
Same
102 mm
Grp 8
-
-
Fuel Type
Same
Gasoline
Diesel
-
-
Start Type
Same
Electric
Electric
Electric
Electric
Shaft Keyway
Same
0.25 in
Grp 8 in
0.25 in
-
Net Torque
Same
48.4 ft-lbs.
62.5 ft-lbs.
39.2 ft-lbs.
-
Crankshaft
Same
Hardened
-
Hardened
-
PTO Height
Same
6.125 in
Grp 8 in
6.125 in
-
Cylinders (qty.)
Same
2
3
2
1
Cylinder Bore
Same
Cast Iron
Aluminum
Cast Iron
Cast Iron
Net Power Output
Same
20.5 HP
23.7 HP
25 HP
9.1 HP
Compression Ratio
Same
8.5:1
22.8:1
9:1
20.3:1
Fuel Tank
Same
No
-
No
-
Oil Capacity
Same
2 qt
2.5 qt
2 qt
1.6 qt
Low Oil Alert
Same
Yes
Yes
Yes
Yes
Max. RPM
Same
3,600
3,600
-
-
Grade
Same
87
-
87 Up
-
CARB Approved
Same
Yes
-
-
-
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Variable Speed
Internal Flywheel Governor
Variable Speed
Yes
Ignition System
Same
Electronic
Electronic
Electronic
Electronic
Carburetor
Same
Smart-Choke
No
Smart Choke
Direct Injection
Lubrication System
Same
Full pressure
Full Pressure W/full Flow Filter
Full Pressure
Full Pressure With Full Flow Filter
Bearing Type
Same
Plain
Parent Material
Parent Material
-
Auto Compression Release
Same
No
No
-
Yes
Cooling System
Same
Air
Liquid
Air
Air
Bore
Same
3.1 in
3 in
3.3 in
3.4 in
Stroke
Same
2.6 in
3.1 in
2.6 in
3 in
Air Cleaner Type
Same
Dual Element
Single Element
Dual Element
Single Element
Choke Control
Same
Remote
Remote
Remote
-
Throttle Control
Same
Remote
Remote
Remote
-
Fuel Filter
Same
Yes
Yes
Yes
-
Charging System Amps
Same
15
45
20
20
Muffler Included
Same
No
Yes
-
Yes
Bolt Circle
Same
7in. dia. pilot, 5 5/8in. and 7 3/4in. bolt circles in
-
-
-
Mounting Base Length
Same
7.25 in
-
-
-
Mounting Base Width
Same
3.5 in
-
-
-
Product Weight
Same
90.0000 lb
-
-
-
Dimensions L x W x H (in.)
Same
20.0 x 20.0 x 19.0 in
-
-
-
Low Oil Shutdown
Same
-
Yes
Yes
-
Replaces OEM
Same
-
-
Toro Exmark ZTR
-
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