RESIDENTIAL ENGINES
5400 SERIES
PROBABLY THE MOST COMFORTABLE RIDE EVER.
Hey good news: We just created the 5400 Series — your new favorite mower engine. How? Well we started by creating an entirely new engine from the ground up. We gave you a crazy smooth ride by significantly reducing engine vibration and noise.* And just for kicks, we made it super durable and powerful.
SMOOTH, COMFORTABLE RIDE
- Thanks to our Triple-Balance System™, the 5400 delivers an impossibly comfortable ride with less noise and vibration than ever before*
ALL-NEW, DURABLE DESIGN
- Built to last with commercial-grade components
- Advanced cooling technology — low engine temperatures, less repairs
- One tough beast — qualified with 20,000+ hours of total testing
NO-MESS OIL CHANGES
- Dripless oil changes with inverted oil filter
POWER WHEN YOU NEED IT
- Consistent-Cut™ technology maintains engine speed for a cleaner turf cut so your lawn looks great even in tough mowing conditions
JUST TURN THE KEY AND GO™
- Reliable starting, hot or cold, even at temperatures below freezing with Smart-Choke™ Technology
- No need to choke the engine—starts at any throttle position
- Adds just the right amount of fuel during starting
THE BRAND YOU TRUST
- Built to last since 1920
- Made in the USA of U.S. and global parts
- 3-year limited consumer warranty, 90-day limited commercial warranty
*Based on preliminary testing and compared to the KOHLER Courage engine
KS530
- Fuel Type: Gasoline
- HP: 17
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: China Phase II, EU Stage V, EPA Phase III, CARB Phase III
- Engine Type: Consumer
KS540
- Fuel Type: Gasoline
- HP: 18
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: CARB Phase III, China Phase II, EPA Phase III, EU Stage V
- Engine Type: Consumer
KS590
- Fuel Type: Gasoline
- HP: 19
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: China Phase II, CARB Phase III, EPA Phase III, EU Stage V
- Engine Type: Consumer
KS595
- Fuel Type: Gasoline
- HP: 19.5
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EPA Phase III, CARB Phase III, EU Stage V, China Phase II
- Engine Type: Consumer
6600 SERIES
TAKE YOUR YARD TO THE NEXT LEVEL.
Sure you could settle for a soft consumer engine on your next mower. But what fun would that be? Meet the V-twin 6600 Series™ engine. It’s loaded with professional-grade power you need to tackle all that tall grass.
ULTIMATE PERFORMANCE
- Consistent-Cut™ power keeps you cutting in tall, wet grass
- Optional HD Performance filtration package delivers maximum protection from dirt and debris with increased air, oil and fuel filter capacity
BUILT TO LAST
- Pressure lubrication extends engine life by keeping critical components well-lubricated
SUPER EASY STARTS
- Loaded with Smart-Choke™ technology — starts like your car, just turn the key and go
KT610
- Fuel Type: Gasoline
- HP: 19
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: EU Stage V, CARB Phase III, China Phase II, EPA Phase III
- Engine Type: Consumer
KT620
- Fuel Type: Gasoline
- HP: 21
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: China Phase II, CARB Phase III, EPA Phase III, EU Stage V
- Engine Type: Consumer
7000 SERIES
RULE THE YARD.
Look if you love a clean-cut yard and like to mow at light speed, choose a tractor or ZTR with a 7000 Series™ engine. With professional-grade features, easy starts and dependable power, the 7000 Series offers everything on your wish list — and then some.
BUILT TO LAST
- Based on KOHLER Command PRO® commercial engine design
- Engineered and assembled in the U.S.A.
POWERFUL PERFORMANCE
- Consistent-Cut™ power keeps you cutting in tall, wet grass. Lawns look great with every cut
JUST TURN THE KEY AND GO
- Reliable starting, hot or cold, even at temperatures below freezing with optional Smart-Choke™ technology
KT715
- Fuel Type: Gasoline
- HP: 20
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: CARB Phase III, EU Stage V, China Phase II, EPA Phase III
- Engine Type: Consumer
KT725
- Fuel Type: Gasoline
- HP: 22
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: CARB Phase III, China Phase II, EPA Phase III, EU Stage V
- Engine Type: Consumer
KT730
- Fuel Type: Gasoline
- HP: 23
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: EPA Phase III, EU Stage V, CARB Phase III, China Phase II
- Engine Type: Consumer
KT735
- Fuel Type: Gasoline
- HP: 24
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: EU Stage V, EPA Phase III, CARB Phase III, China Phase II
- Engine Type: Consumer
KT740
- Fuel Type: Gasoline
- HP: 25
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: EPA Phase III, CARB Phase III, China Phase II, EU Stage V
- Engine Type: Consumer
KT745
- Fuel Type: Gasoline
- HP: 26
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: EU Stage V, EPA Phase III, CARB Phase III, China Phase II
- Engine Type: Consumer
7500 EFI SERIES
LOADED WITH EFI TO MAKE MOWING BETTER.
Everybody knows the best mowers are powered by the best engines. That’s why we designed the fuel-injected 7500 Series™ EFI engine. With this powerhouse, it’s all about easy starting, reliability and fewer trips to the gas station—so you can have more time to relax.
SIMPLE, EASY STARTS
- KOHLER® EFI (electronic fuel injection) technology—starts like your car, just turn the key and go
- Designed for easy spring starts; adjusts to gas with ethanol up to E10
MORE POWER, LESS FUEL
- Available with up to 27 hp—the most powerful KOHLER consumer engine
- Up to 12.5% fuel savings*—less time refueling, more time relaxing
BUILT TO LAST
- Engineered and assembled in the U.S.A.
- 3-year, unlimited-hour limited consumer warranty
*Kohler 2017 EKT750 vs. Kohler 2017 KT745 under comparable loads and duty cycles. Fuel savings may be more or less depending on in-use operating conditions.
EKT740
- Fuel Type: Gasoline
- HP: 25
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: CARB Phase III, EPA Phase III, China Phase II, EU Stage V
- Engine Type: Consumer
EKT750
- Fuel Type: Gasoline
- HP: 27
- Shaft: Vertical
- Cylinders: Twin
- Cooling: Air
- Emission Compliance: CARB Phase III, EPA Phase III, EU Stage V, China Phase II
- Engine Type: Consumer
HD SERIES
PASS IT ON TO YOUR KID.
IN A DECADE OR SO.
Figured out what the “HD” stands for? Yep, these are heavy-duty engines with major muscle. Our HD Series™ engines for walk-behind mowers, pressure washers and utility equipment are built to last for a long, long time — with 2x-longer useful engine life certified by Kohler.*
BUILT TO LAST
- Forged with cast-iron cylinder liners—instead of aluminum—for added durability and engine protection
WARRANTY
- 5-year limited consumer warranty / 1-year limited commercial warranty
POWERFUL PERFORMANCE
- Best-in-class power (HD1100)** Consistent-Cut™ power keeps you cutting in tall, wet grass. Lawns look great with every cut
RELIABLE STARTS
- Get smooth, effortless, no-prime starts thanks to our Smart-Choke™ and Easy-Pull™ technologies
*Certified by Kohler. KOHLER HD Series vs. KOHLER XT Series™ EPA Emissions Certification. **Class defined as EPA Class I gasoline engines 225cc or below.
HD675
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: CARB Phase III, EU Stage V, China Phase II, EPA Phase III
- Engine Type: Consumer
HD775
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EU Stage V, China Phase II, CARB Phase III, EPA Phase III
- Engine Type: Consumer
RH SERIES
GO AHEAD.
ASK MORE FROM YOUR ENGINE.
With overhead valve design and user-friendly features like Accu-Fill® and easy-pull technology, our RH Series™ is designed to put a smile on your face. CARB Tier 3-compliant for emissions and backed by a two-year limited warranty, it’s the drama-free engine you always wanted.
EASY TO START
- Effortless starts with easy-pull technology
EASY TO USE
- Accu-Fill fuel tank — 45% larger angled fuel neck reduces spills
- All-in-one throttle/choke/shutoff control lever makes starting and stopping easy
TOP PERFORMANCE
- Compact, lightweight design with strong horsepower and torque
RH255
- Fuel Type: Gasoline
- HP: 5.5
- Shaft: Horizontal
- Cylinders: Single
- Cooling: Air
- Emission Compliance: CARB Phase III, EPA Phase III, EU Stage V, China Phase II
- Engine Type: Consumer
RH265
- Fuel Type: Gasoline
- HP: 6.5
- Shaft: Horizontal
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EU Stage V, China Phase II, EPA Phase III, CARB Phase III
- Engine Type: Consumer
SH SERIES
FIND THE TOUGHEST JOB OUT THERE.
AND GET AFTER IT.
Tough as nails and loaded with power, the commercial-grade KOHLER® SH Series™ engine is designed for all your down-and-dirty jobs. Heavy-duty features like a cast-iron cylinder liner and maximum displacement give you the same power and durability the pros demand.
DURABLE AND RELIABLE
- Built to last with heavy-duty crankshaft and cast-iron cylinder liner
- Loaded with Oil Sentry™ — automatically shuts down the engine in low-oil conditions
EASY TO USE
- Effortless starts with large indexable recoil starter and dual ball bearings
- Smooth operation from reduced noise and vibration
EASY TO MAINTAIN
- Simple, easy-access controls and no-tools-required air cleaner
- Easy maintenance and less downtime with dual oil fills and drains
SH255
- Fuel Type: Gasoline
- HP: 5.5
- Shaft: Horizontal
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EU Stage V, EPA Phase III, China Phase II, CARB Phase III
- Engine Type: Consumer
SH265
- Fuel Type: Gasoline
- HP: 6.5
- Shaft: Horizontal
- Cylinders: Single
- Cooling: Air
- Emission Compliance: CARB Phase III, EU Stage V, China Phase II, EPA Phase III
- Engine Type: Consumer
XTX SERIES
NEVER NEEDS AN OIL CHANGE.
Good news, you’re probably looking at your new favorite engine. It’s got everything you want for your mower: easy starts, massive power and last but not least — no oil changes. We repeat: no oil changes.
NO OIL CHANGES
- Never requires an oil change – just check oil level before each use
POWERFUL PERFORMANCE
- Best-in-class power (XTX1100)* Consistent-Cut™ power keeps you cutting in tall, wet grass. Lawns look great with every cut.
BUILT TO LAST
- Loaded with heavy-duty materials like cast-iron cylinder liners for long-lasting durability and engine protection
RELIABLE STARTS
- With Smart-Choke technology, there’s no choking, no priming, no flooded engine. Just pull and go
*Class defined as EPA Class I gasoline engines 225cc or below.
XTX650
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EPA Phase III, CARB Phase III, China Phase II, EU Stage V
- Engine Type: Consumer
XTX675
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EU Stage V, EPA Phase III, CARB Phase III, China Phase II
- Engine Type: Consumer
XTX775
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: EPA Phase III, CARB Phase III, China Phase II, EU Stage V
- Engine Type: Consumer
XTX950
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: China Phase II
- Engine Type: Consumer
XTX1100
- Fuel Type: Gasoline
- Shaft: Vertical
- Cylinders: Single
- Cooling: Air
- Emission Compliance: China Phase II
- Engine Type: Consumer