MA588 12-volt External Voltage Regulator-Fits Cockshutt Tractor 540 570 you will need one of

you will need one of the following depending on the line size: 1/8" line: JJS6321

420B (Crawler)

Quality Aftermarket: PTO Output Shaft Seal

Fits Massey Harris MH: GP 4WD Tractors w/ Hercules OOC Engine

30 Tractors

MA588 12-volt External Voltage Regulator-Fits Cockshutt Tractor 540 570 you will need one ofQuality Aftermarket: 12 volt (4 Terminal) External Voltage Regulator (Saddle mount) Fits: MA588 Cockshutt Tractor 540, 570 with 12 volt system Specifications Saddle mount 4 terminals (lights, battery, field and armature) Designed for A type circuits in positive or negative ground systems 7 to 9 amp output For use with the following generators: 1100314 1100417 1147579 1101783 1101954 1100334 1100955 1100956 1101777 1101784 1947579 Replacement Numbers