757-30980, Radiator. Lister Petter small cooling radiator. This part superseded part number 750-40141757 30980 Radiator, this is the small radiator commonly used on the LWP2,3,4 Alpha series engines. It is a 3 row type, accessory kit code RB. The fan shroud opening is 12. 91 inches in diameter if your fan is bigger then 12. 40 inches, probably not the radiator you need. From the top of the tank to the bottom of the radiator where it bolts down, it is approximately 15. 50". Also check out radiator part number 757 30990. 757 30990 is similar to this