One New Aftermarket Replacement Tachometer Fits John Deere Industrial/Construction Crawlers and DozersThis aftermarket replacement tachometer installs in the instrument panel of Fits John Deere (Fits JD) industrial and construction crawler dozers and crawler loaders, displaying engine speed to help operators monitor performance. The dial face reads up to 3,500 RPM (35 x 100 RPM) and fits an 85 mm (3-3/8 in.) dashboard opening with a chrome bezel and glass lens.Specifications Dial range: 0-3,500 RPM (face graduated in 100 RPM increments, showing up to 35 x 100 RPM) Dashboard hole fitment: 85 mm (3-3/8 in.) Chrome bezel, glass lens Compatible ModelsFits John Deere Industrial/Construction Crawlers: 350B, 350C, 350D, 450B, 450C, 450D, 455D, 555, 555A, 762 (Elevating Scraper), 860B (Elevating Scraper)Replaces Part Number(s):AT148149, AT31115, AT39828, AT41805, AT41807, AT54308New aftermarket replacement part - not remanufactured, not used.