Kunz Flat Proof Wheel Upgrade (Set of 4) Top Seller You can use FR3 oil

You can use FR3 oil additive to treat any oil-lubricated system except air conditioning and aircraft

Change speed with the simple glide of its hydro lever for easy maneuvering

premium frame is positioned with a lower center of gravity to improve stability while mowing on hillsides

Engine oil

Engineered smarter with a top-loaded aluminum gear case to prevent oil leakage

Kunz Flat Proof Wheel Upgrade (Set of 4) Top Seller You can use FR3 oilThis factory installed upgrade will replace the standard pneumatic wheels and tires with Flat Proof Foam Filled front wheels on the front and polyurethane wheels on the back. This upgrade will replace the stock wheels, two front and two rear. This item is only sold with a new Kunz tow behind mower. This is a Wheel Upgrade so your new mower comes with Flat Proof Wheels instead of standard tires. This is not a set of Replacement Wheels.