Description The Koch PTO Adapter Short Increaser M1-3/8X6 F1-1/8X6 offers a durable solution for adapting PTO shafts, converting a 1-1/8" female shaft to a 1-3/8" male shaft with a compact 6-inch length. Crafted from heavy-duty steel, this short increaser ensures a tight, reliable connection that reduces vibration and wear. Ideal for farmers and equipment operators who require a sturdy, space-saving PTO adapter for their tractor driveline systems.Product Details:Constructed from heavy-duty steel for long-lasting strengthAdapts PTO shaft size from 1-1/8" female to 1-3/8" maleShort increaser design with a 6-inch length for compact fitEnsures secure, vibration-free driveline connectionEasy to install with standard toolsSuitable for agricultural and industrial PTO driveline applicationsPart Number: HK428