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News New Engine Horsepower Rating Standards

The new SAE J1940 standard requires all engines produced after and including October 1, 2013 must be within 95% of the declared rated power and torque as opposed to the old standard of 85%. SAE (Society of Automotive Engineers) has also stated that the engine manufacturer must disclose the rpm for rating and with the GROSS (SAEJ1995) or NET (SAEJ1349) horsepower.

Note: Engine produced before October 1, 2013 are labeled and rated by the old standard.

In most cases the engine displacement (cc) has not changed. Example: Model CH740 with 725cc, before it was rated as 27hp and will now be rated as 25hp under the SAE J1940 standard. The engine has not changed, only how it’s rated under the new SAE J1940 standard.

In the Kohler Engine specs you will also notice a SAE J1995 horsepower rating. This rating is based on approximately 10 engines off the assembly line and then tested and the horsepower rating is the average out of the 10.
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 can be 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.

Kohler J1995 power and torque has been certified by 3rd Party Witness.

If you do not find the engine your looking for give us a call 1-888-652-3990 or email us at sales@opeengines.com

6600 Series KT 17-21 hp

7000 Series KT 20-26 hp

7500 Series EKT 25-27 hp

Courage SV Single-Twin

Confidant EFI - EZT - ZT

Aegis Liquid-Cooled ELH LH

Command CS

Command Pro CH CV 6 to 40 HP

Kohler Command Pro EFI

Command Pro Flex Fuel EFI

Command Pro EFI Propane

Command Pro Gaseous Fuels

Retired Kohler Engines

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