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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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KOHLER STARTERSUPER SERVICE, VERY FAST SHIPPING AND EXCELLENT VALUE. Read More -> Missing part 5/9/19I found a fuel tank kit at a great price point on OPEengines website. I ordered it on the weekend and received it within 4 business days with free... Read More -> Good serviceFound OPE googling carb kits for my Kohler engine and glad I did. They answered my questions and when I ordered my carb kits they arrived fast to my... Read More -> Simply IncredibleParts ordered on Monday and installed on Wednesday of the same week. Pretty incredible considering the 2906 miles! I certainly appreciated the... Read More -> Excellent Service and KnowledgeableWorking with everyone through email and phone calls on the trouble I had with my 25 HP Kohler motor was excellent. - Got the diagnosis quickly and... Read More ->
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