John Deere Qwik Fit Lower Cab Kit, Late 30 and Early 40 Series - BlackJohn Deere Qwik Fit Lower Cab Kit, Late 30 and Early 40 Series Black Can be installed on the following vehicles: JOHN DEERE TRACTOR (S) Pre Formed Plastic Backed Design That Makes Each Piece Wrinkle Free, Easy to Position and Install Includes 1 Tube of Silicone Sealant John Deere 30 Series Tractors with Cab Serial Number 063624 and Above John Deere 40 Series Tractors with Cab Serial Number 185706 and Below John Deere 40 Series Tractors with Serial