Max2 is now known simply as Max The Max belt is designed for general service machines under 500cc The new Max has an improved cog design for greater flexibility and cooler running The new thicker Max has added strength that provides longer belt life This item fits the following applications: 1974-1975 John Deere 400 1973-1975 John Deere 600 1975 John Deere 800 1973-1975 John Deere JDX4 1974-1975 John Deere JDX6 1974-1975 John Deere JDX8 1972-1974 John Deere 500