Overall, the 450 has been a reliable and widely-popular dozer in its size class. If you're asking because you plan to purchase, I wouldn't go earlier than a 450G series due to parts obsolescence. read more
The 450 is available a a crawler tractor, loader or bulldozer (there are different versions over the years which are designated with a letter suffix) has long been a well built, lower initial cost machine acquired by large and small contractors, municipalities, farmers, landscapers, construction companies and many others. read more
John Deere compatible AU13861 angle cylinder. This part shows to fit or substitutes for the following equipment: Crawler Dozer: 450, 450B, 450C, 450D, 450E, 550, 550B. May fit other models as well. Please verify your part number prior to order. Free shipping in the lower 48 states. $380.00. Call Mark at 315-941-8670. read more