John Deere Z445 Kawasaki FH721V Engine Replacement Kits

Get the most out of your zero-turn mower! We have a new replacement engine with a complete installation kit for your John Deere Z445!  

Our company prides itself on its customer support and wants to be sure you are completely satisfied with your purchase. When you buy a John Deere Z445 engine installation kit, we provide unlimited technical support throughout the process. Additionally, our kits come with a "kit guarantee." This means we are sending you everything needed to convert your machine from the old engine to the new (unless otherwise stated). Give us a call if you need something and we will send it out free of charge.

Our kit includes everything you need to install a new Honda GXV-Series in your John Deere. The John Deere Z445 kit comes with:

• New Engine with 3 Year Commercial Warranty
• Internal Oil Cooler
• Mechanical Decompression Carburetor
• Exhaust
• Electrical Harness
• Kit guarantee
• Unlimited technical support

 

Equipment Modifications

-The lip on your chassis floor needs to be trimmed to accommodate the exhaust manifold. A support bar is sent with the kit for reinforcement.  Please see the pictures for more details.

 

Engine Information

Kohler CV752:

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 

 

Honda GXV630 / GXV690:

Fuel Efficient Operation
- Fuel economy is similar to fuel injection, with the simplicity of carburetion
- 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