This is a Brand New Air Conditioner Compressor with Clutch. it replaces the original JOHN DEERE Air Conditioner Compressor It comes with the Manufacturers full 1 year warranty.This compressor comes without oil. It is made to work with R12 or R134A. Cust. must drain shipping oil and add specific oil needed for application.Replaces: AR77343-R AIR CONDITIONING A-AR92109 JOHN DEERE TY6665 JOHN DEERE TY6770 JOHN DEERE A-4343180 DEUTZ A-4343180-R AIR CONDITIONING 4343180-RR AIR CONDITIONING 500-201 AIR CONDITIONING 500-203 AIR CONDITIONING 500-691 AIR CONDITIONING A-530748M91 MASSEY FERGUSON 530748M91-R MASSEY FERGUSON A-70256782 ALLIS CHALMERS Crossed From: SE501456 JOHN DEERE SE501457 JOHN DEERE SE502599 JOHN DEERE 79005837 TISCO Pulley Dia. 5.58" Pulley Grooves 1 Volts 12 Coil Location 10 AM New Hub # 600-256 New Clutch # 600-400 Coil # 600-400 Compressor, New, A6 w/ Clutch (1 groove 5.58" pulley, 12V, 10:00 coil)Weight: 21.00 lbs This compressor comes without oil. Customer. must drain shipping oil and add specific oil needed for application.See tech bulliten regarding installation and warranty.