Deck Transmission V-Belt for John Deere Models: Attachments Lawn Mower Lawn Deck Tractors 48″ 54″ 60″ 120 140 300 312 314 316 317 318 322 330 332 425 445 455 X330 Lawn & Garden Tractor X350 Lawn & Garden Tractor X354 Lawn & Garden Tractor X370 Lawn & Garden Tractor X380 Lawn & Garden Tractor X384 Lawn & Garden Tractor X384 Lawn & Garden Tractor X390 Lawn & Garden Tractor X570 Lawn & Garden Tractor X580 Lawn & Garden Tractor X584 Lawn & Garden Tractor X590 Lawn & Garden Tractor Order includes: V-Belt Decks: M169485 Width: 12.1mm – 0.47″ Overall Length: 1905.0mm – 75.0″ Thickness: 15.87mm – 0.62″