Add to Favorite Sellers. Tachometer Fits International 460 560 Tractors 383092R91 383093R91. Quality Aftermarket Tachometer Fits International Harvester IH Farmall 460, 560 gas, diesel Tractors Specifications 3.330 housing outer diameter 2.060 housing length Replacement Numbers 383092R91, 383093R91. We recommend verifying the proper fit for your application with a parts catalog or other reference documents. All aftermarket items have been hand selected by our team and are continuously monitored by a quality control department. Should a craftsmanship or fitment concern be identified, JJAgParts will be sure to work with our customers to stand behind our products. Be sure to check out our other listings for great aftermarket and NOS items! Don’t forget to leave us feedback and we will be sure to do the same! . Thank you for this opportunity to earn your business! Thank you for looking! We appreciate the opportunity to earn your business. Feel free to ask any questions you may have.