Description The Koch PTO Adapter Increaser M1-3/8X6 F1-1/8X6 is engineered to connect PTO shafts with different sizes, adapting a 1-1/8" female shaft to a 1-3/8" male shaft over a 6-inch length. Built from heavy-duty steel, this adapter ensures a secure, vibration-free fit, enhancing driveline performance and reliability. Perfect for farmers and equipment operators who need a dependable PTO shaft size increaser for their tractors and implements.Product Details:Made from heavy-duty, high-strength steel for durabilityDesigned to adapt PTO shafts from 1-1/8" female to 1-3/8" male sizeLength: 6 inches for precise fit and compatibilityProvides a secure and reliable connection between different PTO shaft sizesEasy to install with no special tools requiredIdeal for agricultural and industrial PTO driveline applicationsPart Number: HK441