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Horsepower Sells - New Ratings for Small Engines
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.
To help you repair or troubleshoot your engine here are some Free Kohler Service Manuals you can download.
We have 97.8% fill rate on Kohler parts orders and are shipped out the same day the order was placed.Most of our order are shipped by USPS Priority mail and delivered in 2 days to 3 days within the USA.
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If you do not see what you are looking for, email or call us and a Kohler certified technician will assist you.
Be aware that others may be selling at the same price or may be a little lower only to charge you more for shipping and taxes or they have you pay the freight company when the engine arrives and do not be surprised when you received a $200 to $400 freight bill.
*Free shipping on engines and short blocks are to a business location or terminal located within the 48 states*
For more details please read our policy in the "Shipping & Returns" section.
About Kohler Engines
Kohler Engines is a division of Kohler Company, founded in 1873 and headquartered in Kohler, Wisconsin and is a leading manufacturer of utility engines. Kohler® produces four-cycle, spark-ignited engines ranging from a 4 horsepower single cylinder to a 31 horsepower twin cylinder engine marketed under the brand names Aegis, Command PRO, Command, Courage, Triad, Magnum, K-Series. Kohler engines are the premium engines in the market and are known for their dependability and durability. Some have even claimed to have run Kohler engines 24/7 for four or five years, something like 30,000 to 40,000 hours with only changing the oil and filters. That is why you will find Kohler motors used on contractor equipment, industrial application and even consumer equipment too. All Kohler engines are backed by a dealer/distributor network that is nearly 13,000 strong worldwide.
Need help wiring up your new Kohler engine or repowering your old Kohler engine or questions on installing Kohler engine parts you purchased from OPEengines.com, a Kohler Certified Technician will assist you with that. Preferred method of contact is by email. Please provide us with your contact phone number too. Email us at See Contact Us
About Searching For Parts
To use this website for Kohler parts search, it helps to know your part numbers or a description.
The best way is to enter the part number into the "SEARCH" box on the right side menu bar, also there is no need to put spaces between part numbers or the "S" after the part number. The "S" after the part number indicates a service part. The "S" after a engine model example CH25S indicates electric start.
About Kohler Parts Lookup System
If you do not have Kohler part numbers, you will need to look them up.
Use our "Parts Lookup" located on the right hand side of this page of the menu bar where it says "Kohler Parts Lookup ".
About Kohler Engine Model Identification Numbers
You will need to have the specification number off the engine cover, it is next to the Model number and serial number. This is the easiest way to help you locate the exact parts that fit your particular Kohler engine. examples of specification numbers are 60221d, PS-61557, PA-62501, CH730-0003 do not use the PS, PA when searching your model #.
If you need assistance, email us See Contact Us or call us 888-652-3990.
We are currently updating our website every day with more products and images so if you do not find what you are looking for give us call at 888-652-3990 or email at See Contact Us and a Kohler Certified Technician will be glad to help. Also if you need to repower your current engine we can help you with that too.
In The News
As of October 1st, 2012 all Kohler Command Pro Series & Kohler Command Pro EFI engines are covered by a 3yr Kohler warranty.
Kohler introduces industry's First Flex-Fuel engine
and brings EFI to all COMMAND PRO and AEGIS TWINS as standard offering.
Closed-Loop EFI Engine Accepts All Ethanol Fuel Blends
Kohler Engines introduces another industry innovation - a closed-loop electronic fuel injection (EFI) engine with the flexibility to use all ethanol fuel blends, from E0 to E85. The new KOHLER Command PRO EFI FlexFuel E85 Engine offers end users an unmatched array of fueling options, which translates to significant savings at the pump.
Fuel efficient, cleaner burning engines will soon be the standard —not an option—on all KOHLER Command PRO and Aegis twin-cylinder engines. Kohler will begin rolling out the new EFI engines with the Command PRO 25, 27 and 29 hp models this summer. Over the next two years, Kohler will convert its entire Command PRO air-cooled and Aegis liquid-cooled engine, with both the EFI and flex-fuel technologies.
Depending on the application, end users can realize
a 17% to 28% efficiency savings
Kohler partnered with Delphi leading global supplier of mobile electronics and transportation systems to design this new flex-fuel EFI system with patent-pending technology that will offer significant fuel savings, improved performance and reduced emissions.
KOHLER flex-fuel EFI models will be available on 26 twin-cylinder models available ranging from 19-41 hp, and will operate efficiently and without excessive wear on the engine when E-85 or any other ethanol-fuel mix is used. An additional benefit of the new KOHLER flex-fuel EFI engines is instant load response. The KOHLER exclusive EFI system allows the engine to respond with peak KOHLER performance even in changing altitudes and load requirements, which in turn, operates at top efficiency Kohler also designed this new line of engines within the same footprint as its current Command PRO and Aegis models, so that OEMs can easily drop in the newest KOHLER engine without altering the end equipment design to accommodate the engine. This is accommodated by Kohler's exclusive self-contained EFI design, which features only one fuel line rather than an additional return fuel line with a special harness. The fuel module, electronic control unit and sensors are also all engine mounted.
The new standard in twin-cylinder engine performance.
Only KOHLER closed-loop EFI engines include an oxygen sensor that analyzes the air/fuel mixture in the exhaust. If the oxygen level strays from the ideal air/fuel mixture, the sensor triggers adjustments in the Electronic Control Unit (ECU). Only KOHLER closed-loop EFI engines “close the loop” between the air/fuel intake and the exhaust output to provide a constant stream of critical feedback – and optimal power and fuel economy. The closed-loop advantage also means that only KOHLER closed-loop EFI engines automatically adapt to load, weather, fuel and altitude changes.
Superior Fuel Economy
• Up to 25 percent fuel savings when compared to similar size carbureted engine
• Closed-loop, sequential fuel injection optimizes proper fuel mixture for the most efficient fuel consumption
• No-choke starting
• Consistent, reliable starts in all weather conditions and even after long-term storage
• No carburetor to get clogged up during periods of inactivity
Fastest Load Response
• Optimized fuel injector placement and intelligent sensor pack delivers fuel wherever and whenever there is a demand for power
Lowest Cost to Operate
• Requires less fuel than a carbureted engine to do the same job
• Less down time saves you both time and money
• Worldwide emissions compliance
• Designed to meet or exceed the stringent requirements of EPA, California and European regulatory agencies, without the use of expensive catalyst or air induction systems
Easy to Install
• Engineered to be a drop-in replacement for carbureted engines; allows for easy OEM installation
• All EFI components are mounted to the engine so no additional component installation is required
• Precise EFI engine management ensures optimal operating efficiency
• Pays for itself in increased reliability and decreased service time
40 HP KOHLER COMMAND PRO CH1000-3000 Reg $3136.06 Sale $2679.00
*Free Shipping, No Tax
38 HP KOHLER COMMAND PRO CH980-3000 Reg $2825.58 Sale $2459.00
*Free Shipping, No Tax
34 HP KOHLER COMMAND PRO CH940-3000 Reg $2426.37 Sale $2099.00
*Free Shipping, No Tax
*Free shipping is to a business location or terminal located within the 48 states*
For more details please read our policy in the "Shipping & Returns" section.
New Higher Horsepower Kohler Engines
They are the KOHLER Command PRO 34 (CH940), PRO 36 (CH960), PRO 38 (CH980), PRO 40 (CH1000) horsepower engine models. These air-cooled, V-twin gasoline engines available in both horizontal and vertical shaft configurations have been generating excitement among the commercial industry seeking higher horsepower for a variety of turf and industrial equipment.
For the commercial equipment market, the new 38-horsepower gasoline engine will not only provide more power to accommodate today's larger and more sophisticated applications and commercial turf equipment, but will offer a new design that provides unmatched serviceability and extends maintenance intervals. This new KOHLER Command PRO models at 999 cc also meet the new EPA Tier 3 and CARB emissions requirements.
The basic configuration of the engine is the tried-and-true 90º twin-cylinder, overhead valve, hydraulic valve lifter design, with an electronic ignition system, two-barrel carburetor and mechanical governor. The engine uses an aluminum block with cast-iron cylinder liners, a common feature on such engines intended to promote longer service life and durability. This new gasoline engine really shines with its potent displacement, 999 cc on a bore and stroke of 90 mm x 78.5 mm and a dry weight of 130 lbs.
Kohler introduces several unique and patented features that aim to enhance and extend the engine's performance.
- Top-mounted oil filter features a no-drip oil system; this with extended service interval of 150 hours, catering to the busy professional
- Top-mounted, heavy-duty air filter with an integrated rain cap allow for a better filtration in tough environments, along with a more compact installation package
- Front-mounted key switch, choke and throttle controls (Optional accessory)
- Removable cylinder access covers
- Hydraulic valve lifters, to ensure consistent horsepower throughout the full engine life and eliminates the need for valve adjustments
- Unique nylon cam gear design achieves lower sound and vibration levels
- Aluminized muffler to lengthen muffler life and protect against corrosion
34 HP Kohler Command Pro CH940
36 HP Kohler Command Pro CH960
38 HP Kohler Command Pro CH980
40 HP Kohler Command Pro CH1000
MAX. POWER @ 3600 RPM hp (kW) 34 (25.4), (kW) 36 (26.9), (kW) 38 (28.3), (kW) 40 (29.8)
DISPLACEMENT cu. in. (cc) 61 (999)
BORE in. (mm) 3.5 (90)
STROKE in. (mm) 3.1 (78.5)
CH940-PEAK TORQUE @ MAXIMUM lbs. ft. (Nm) 57.8 (78.3) @ 2400
CH960-PEAK TORQUE @ MAXIMUM lbs. ft. (Nm) 60 (81.4) @ 2400
CH980-PEAK TORQUE @ MAXIMUM lbs. ft. (Nm) 60.7 (82.3) @ 2400
CH1000-PEAK TORQUE @ MAXIMUM lbs. ft. (Nm) 61.5 (83.4) @ 2800
COMPRESSION RATIO 9:1
DRY WEIGHT lbs. (kg) 130 (59)
OIL CAPACITY U.S. quarts (liters) 3.0 (2.85)
LUBRICATION Full pressure w/full-flow filter
DIMENSIONS L x W x H in. 15.3 x 19.0 x 27.5
BASE TO CENTERLINE OF CRANKSHAFT 6.125"
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