John Deere M665 Kohler Command CH25 Engine Upgrades

Get your John Deere M665 zero-turn back up and mowing with a new replacement Kohler Command, or a V-Twin Honda with a complete installation kit!  Our Honda kit includes everything you need to install a new GX630/GX690/iGX700 in your John Deere ZTrak.  The John Deere M665 engine replacement kit comes with:

• New Engine with 3 Year Commercial Warranty
• Driveline Adapters
• Exhaust
• Mounting Accessories
• Electrical Harness
• Kit guarantee
• Unlimited technical support

 

Equipment Modifications

 -We provide an electrical harness with both our Honda and Kohler options.  The harness simplifies the wiring, but you will still need to splice some wires.  We include detailed instructions that guide you through this process.

Engine Information

Honda GX630 / GX690:

Fuel Efficient Operation
- Two-barrel inner-vent carburetor for more precise fuel metering
 
High Output Performance
- Hemispherical combustion chamber
- Forged steel crankshaft
- Pressure fed crankshaft bearings
 
Proven Reliability
- High capacity pump facilitates consistent oil delivery
- Large diameter air intake for superior cooling
- High efficiency cooling fan

 

Honda iGX700:

Fuel Efficient Operation
- Electronic Fuel Injection (EFI)
 
High Output Performance
- Hemispherical combustion chamber
- Forged steel crankshaft
- Pressure fed crankshaft bearings
 
Proven Reliability
- High capacity pump facilitates consistent oil delivery
- Large diameter air intake for superior cooling
- High efficiency cooling fan

 

 

Kohler CH740:

Advanced Performance
-Starts effortlessly in all weather conditions, from 0 to 110 degrees
-Standard 10% governor delivers power faster

Lasting Durability
-Automotive-grade head gasket improves durability, reliability and Hydraulic lifters mean zero maintenance on the valve train

Service and Support
-Kohler’s Global network of more than 13,000 dealers stock parts to minimize downtime

 

Our company prides itself on its customer support. If you have any questions throughout the process, we provide unlimited technical support. Additionally, our kits come with a "kit guarantee." This means we are sending you everything necessary to convert your machine from the old engine to the new (unless otherwise stated). If you need something, call us and we will get it sent out free of charge. We are looking forward to working with you.

If you are unsure which engine is right for your usage, feel free to give us a call at 1-800-700-9501!