Fitment Guide:
FORD TRACTOR: 335-Eff. 10/01/1975, w/ Trans PTO or No PTO, 340-Eff. 10/01/1975 – 9/1981, w/ Trans PTO or No PTO, 3400-Eff. 07/01/1974 – 9/1975, w/ Trans PTO or No PTO, 340A-Eff. 10/01/1981 – 5/1985, w/ Trans PTO or No PTO, 340B-Eff. 10/01/1981 – 5/1985, w/ Trans PTO or No PTO, 3550-Eff. 10/01/1971 – 9/1975, w/ Trans PTO or No PTO, 4330-Eff. 07/01/1974 – 9/1975, w/ Trans PTO or No PTO, 4340-Eff. 07/01/1974 – 9/1975, w/ Trans PTO or No PTO, 4400-Eff. 1965 – 9/1969, w/ IPTO or No PTO, -Eff. 1965 – 9/1969, w/ Trans PTO, -Eff. Yr. 10-71/9-75, w/ Trans PTO or No PTO, 4410-Eff. 1965 – 9/1969, w/ IPTO or No PTO, -Eff. 1965 – 9/1969, w/ Trans PTO, -Eff. Yr. 10-71/9-75, w/ Trans PTO or No PTO, 445-Eff. 10/01/1975 – 9/1981, w/ Trans PTO or No PTO, 4500-Eff. 1965 – 9/1969, w/ IPTO or No PTO, -Eff. 1965 – 9/1969, w/ Trans PTO, -Eff. Yr. 10-71/9-75, w/ Trans PTO or No PTO, 515-Eff. 10/01/1975, w/ Trans PTO or No PTO, 532-Eff. 10/01/1975, w/ Trans PTO or No PTO