Description
When you’re running implements that need specific PTO speeds, guessing at your engine RPMs just doesn’t cut it. A working tachometer tells you exactly where your engine’s running so you can operate equipment properly and avoid over-revving. This replacement tachometer gets your rev counter back to giving you the accurate readings you need for efficient field work.
What You’re Getting
- 3.75-inch bezel diameter fits your dash opening perfectly without modifications
- Clockwise rotation matches original equipment for proper reading orientation
- Accurate RPM readings help you operate at optimal engine speeds for fuel efficiency
- TISCO quality construction built to handle vibration and temperature extremes
- Direct replacement for worn or failed original gauges
Built for Real Farm Work
This tachometer fits a range of International Harvester tractors including the 454, 464, 574 Hydro, 674, 484, 584, 684, 784, 884, 885, H84, 2400, and 2500A Hydro models. These utility and row-crop tractors handle everything from loader work to field cultivation, and many of their implements require specific engine speeds to work properly.
Made to Last
Farm gauges take a beating from constant vibration, temperature swings, and dust. This TISCO tachometer uses quality internal components and a durable housing that stands up to the conditions you’ll find in any farm operation, season after season.
Installation Notes
This is a direct replacement that connects to your existing wiring and mounts in the original gauge location. The 3.3170-inch housing diameter ensures a proper fit in your dash panel. If your old gauge was intermittent or stuck, this new unit will restore reliable operation from day one.



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