Ford Tractor Oil Pressure and Ammeter Gauge Set
This is a two-piece gauge set for Ford N-series and hundred-series tractors. It includes a 0 to 50 PSI oil pressure gauge and a 30-0-30 ammeter. Both gauges are sized for a standard 2 inch dash opening and are a direct way to replace cracked, fogged, or dead original gauges.
Oil Pressure Gauge
The oil pressure gauge reads from 0 to 50 pounds, the correct 50-pound range for these engines, and is a mechanical gauge that connects to the engine oil pressure line. It carries the Ford OEM reference 9N9273A.
Ammeter
The ammeter uses a 30-0-30 scale with a center zero. The needle swings toward charge when the system is charging the battery and toward discharge when it is drawing down, reading up to 30 amps in either direction. It carries the Ford OEM reference A0NN10670A. Because an ammeter measures current, it works on either a 6-volt or a 12-volt system as long as the total load stays within 30 amps.
Fitment
Fits Ford 2N, 8N, and 9N, plus NAA, Jubilee, and the 600, 700, 800, and 900 series. The same gauges also cross to many Massey Ferguson tractors. Dash layouts and gauge styles changed over the production years, so measure your dash holes and compare your existing gauges before installing.






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