John Deere 9000T agriculture tractor tracks are now available in more affordable aftermarket options. The 9000T series has options ranging from 30 inches wide to 36 inches wide. Replacement rubber tracks are now available in the friction style drive systems for John Deere agriculture models including the 9000T series. We stock the thirty inch wide and thirty-six inch wide sizes in the aggressive directional tread pattern like your original tracks. Read each product description for details on your specific model. What size are the rubber tracks on your John Deere 9000T? The track size is 762x152.4x63 for the thirty inch wide option.