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Service Info & Updates
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CH742 - 25 hp 747cc
4-cycle, gasoline, OHV, cast iron cylinder liners, aluminum block
J1940 Power hp(kW) 1 |
25 (18.6) |
Displacement cu in (cc) |
45.6 (747) |
Bore in (mm) |
3.3 (83) |
Stroke in (mm) |
2.7 (69) |
Peak Torque lbs. ft (Nm) |
41.2 (55.9) |
Compression Ratio |
9.1:1 |
Dry Weight lbs (kg) |
105 (48) |
Oil Capacity U.S. quarts (L) |
2 (1.9) |
Lubrication |
Full pressure w/full-flow filter |
Dimensions L x W x H in |
14.6 x 17.7 x 24.5 |
Backpressure Limit 2 |
50 |
J1995 Power hp (kW) 3 |
24.7 (18.4) |
J1995 Rated Speed (RPM) |
3600 |
* Length is grass screen to PTO mounting face. Width is spark plug to spark plug. Height is top of air cleaner to mounting feet.
1 Power (hp) and Torque (lbs ft) specifications for Kohler general purpose engines are rated pursuant to Society of Automotive Engineers (SAE) J1940 based on gross output testing performed according to SAE J1995 without the air cleaner and muffler. Actual engine power and torque are lower and affected by accessories (air cleaner, exhaust, charging, cooling, fuel pump, etc.), application, engine speed, ambient operating conditions (temperature, humidity and altitude) and other factors. This J1940 / J1995 rating provides consistent measurement to customers who may want to control the intake and exhaust features of the engine. For more information, contact Kohler Co. Engine Engineering Department. Kohler Co. reserves the right to change product specifications, designs and standard equipment without notice and without incurring obligation.
2 Inches of H20 @ 3600 RPM WOT
3 J1995 power and torque certified by 3rd Party Witness
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FastVery happy with the service, ordered on sat got it on tue. Read More -> Kohler Carb KitsI have a 27hp Command on my Cub Cadet. It was misfiring and the carburetor needed to be rebuilt. I knew that because I forgot to winterize it. Great... Read More -> 1st contactAfter several hours online chasing symptoms and solutions for my ancient Kohler 15S garden tractor engine, I stumbled onto OPE's well-thought-out... Read More -> Unexpected Superior ServiceI would like to thank Brian for his excellent service. I did not expect a call to verify that I ordered the correct engine and also did not expect a... Read More -> Kohler EnginesThis place is the best! I fix a lot of older Simplicity tractors. OPE always, and I mean ALWAYS have what I need, and I get it fast.
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