THROTTLE SPRING(H 286 R) Fits John Deere MODEL H NEWOne New Aftermarket Replacement Upper Foot Throttle Spring Fits John Deere Model H Series Tractors This upper foot throttle spring is a direct replacement for the foot accelerator system on the Fits John Deere Model H series two cylinder row crop tractors. The Fits John Deere Model H featured a foot accelerator pedal that allowed the operator to boost engine speed, making this spring a key component in the throttle return mechanism. Fits John Deere