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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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A+Ordered 19 hp Briggs motor on 5/08/20. Sent me text on 5/10 stating they were sending updated version of same engine. Recieved 5/12 . Perfect match... Read More -> Great serviceOrdered engine for my Craftsman riding mower. Called and they found the right replacement engine. Installed with a breeze, with no issues. Started... Read More -> Top Notch Service!I made my order on Wednesday at 3pm, my order was delivered to my house in Illinois on that Friday at 2pm. Everything I ordered was right. The staff... Read More -> Fantastic ServiceLoads of parts ,super fast shipping,and ability to view service manuals what more could anyone ask? live help too 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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