Mack products 544 North Avenue P.O.Box 856 Moberly Missouri 65270-4403 Phone 660-263-7444 They still list a 28-31 complete bed in there new catalog www.mack-products.com
By mistake I got a oli filled Petronix coil from amazon, Not to let it go to waste I put it on
my Ford Tractor OMG. as perdy said seat of the pants difference this tractor never sense new started & worked so good. Just My 2 Cents!!