11
24 590 48 Rev. --
KohlerEngines.com
Engine Specifi cations
Model Bore Stroke Displacement
Oil Capacity
(Refi ll)
Spark Plug
Gap
Maximum Angle
of Operation
(@ full oil level)*
CH640
3.03 in.
(77 mm)
2.64 in.
(67 mm)
38 cu. in.
(624 cc)
1.7-1.9 U.S. qt.
(1.6-1.8 L)
0.020 in.
(0.51 mm)
25°
CH730
3.27 in.
(83 mm)
44 cu. in.
(725 cc)
0.030 in.
(0.76 mm)
CH740
*Exceeding maximum angle of operation may cause engine damage from insuffi cient lubrication.
Additional specifi cation information can be found in service manual at KohlerEngines.com.
Any and all horsepower (hp) references by Kohler are Certifi ed Power Ratings and per SAE J1940
& J1995 hp standards. Details on Certifi ed Power Ratings can be found at KohlerEngines.com.
Emission Control System
Exhaust Emission Control System for gaseous fuel models CH640, CH730, and CH740 is EM for
U.S. EPA, California, and Europe.
NOTE: Tampering with the engine and its emission control system voids the EPA Certifi cate of
Conformity, ARB Executive Order, and EU type-approval.
To Next Page
Loading...
