Case 446 Garden Tractor With D722 Kubota Engine Hold Back Valve 3 Point Hitch. Ag tires front and rear. The item “Case 446 Garden Tractor With D722 Kubota Engine Hold Back Valve 3 Point Hitch” is in sale since Tuesday, July 2, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “wvdecal” and is located in Pecks Mill, West Virginia. This item can’t be shipped, the buyer must pick up the item.