John Deere Waterloo Works recently changed from a 13-digit large tractor. H = PowrQuad™ or Manual Shift transmissionĪll serial plates for Waterloo-built large tractors are located on the right-hand frame below the engine. John Deere Waterloo Works recently changed from a 13-digit large tractor serial number to a 17-digit serial number. John Deere serial numbers can be found on the About This Vehicle page of your. R or (see Position 11 Transmission codes)Ĭalculated character based on the value of the other characters. Search for attachments, implements, accessories and parts for your John Deere equipment, including Gator UTVs, zero-turn mowers and riding lawn mowers. To better understand each position in the 17-digital serial number, the chart below lists the position number, use of that position and what the position means, specific to large tractors (7R, 8R/8RT Series and 9030 Series Tractors).