One Brand New Aftermarket Replacement Yellow Tractor Suspension Seat Assembly Fits John Deere Tractor Models: 820, 830, 1020, 1530, 2020, 2030, 2040, 2150, 2155,2240, 2350, 2355, 2440, 2550, 2555, 2630, 2640, 2750, 2755, 2840, 2940, 2950, 2955***Before You Purchase This Seat, Please Be Sure To Compare Your Seat’s Mounting Bolt Pattern To The Mounting Bolt Pattern In Our Listing.***Measurements Can Be Found In The Pictures Of This Listing.And Many more that use the same part numbers / dimensions:Tech Info:Dim (1): 20.75″Dim (2): 20.5″Dim (3) 10.25″Dim (4) 23.6″Dim (5) 8.25″