The Farmall part number it replaces is: 371243R93.
The tachometer has a a 5/8" UNF cable end and has clockwise movement. It also has a nice 6 or 12 volt light option feature. The light option feature you can choose to use or not to use it. The diameter is 3 3/8" (85mm). Tachometer cases are hd metal "Yellow Zinc Plated" for greatly improving corrosion resistance. The tach also has a glass lens.
IHTCH340
Disclaimer:
Tractor America parts listed are Aftermarket parts and not manufactured by the (OEM) Original Equipment Manufacturer. Original manufacturers names, logos, part descriptions and numbers are for reference purpose only. This does not intend, indicate and or suggest that our parts are manufactured by the original equipment manufacturer(s).
All Tractor America Aftermarket listed parts are "Compatible with" will "Fit" and or made "For": Farmall, IH, International Harvester, Ford, Allis Chalmers, Massey Ferguson, Massey Harris, Oliver, Cockshutt, Minnieapolis Moline, Willys, MB, jeep, Case-IH, Case, David Brown, John Deere, JD, Kubota, New Holland, NH, Avery, Long, White, Perkins, Volvo, Oregon, Leyland, Iveco, Fiat, Honda, Exmark, Stihl, K&N, MTD, Scag, Wright MFG., Murray, Wizard, Western Auto, Troy Built, Rally, Cub-Cadet, Ariens, Atlas, Techumseh, Husqvarna, Bobcat, E-Z-Go, AYP, Fiat Hesston, NGK, Champion, Hinomoto, Deutz Allis, GM, Chevrolet, Craftsman, Poulan, Mitsubishi, Universal, McCormick, CNH, MTD, Yanmar.