33742 - Faria Beede Instruments Faria Chesapeake Black 4" Tachometer - 4000 RPM (Diesel)

Chesapeake Black 4" Tachometer - 4000 RPM (Diesel)  (Mechanical Takeoff & Var Ratio Alt)

Perimeter-lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured white pointer and domed glass lens.

Electronic tachometers work by counting pulses generated by the ignition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12VDC, Ground and one of the signal sources listed above.

By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution.

4" - Hole size: 3.375" (85mm)

Specifications:

• Anti-scratch glass lens
• Perimeter lighted back light
• 12 VDC negative ground
• Can be adapted for 24 VDC systems

Factory P/N TD9127

*Sold as an Individual

**Gauge Cover not Included

The Faria Beede Instruments 33742 is a 4-inch tachometer designed for diesel engines, featuring a 4000 RPM range. This unit is suitable for B2B buyers in marine or industrial sectors requiring engine speed monitoring. It operates by counting pulses from an ignition system, alternator, tach signal generator, or magnetic pickup sender. The tachometer requires a 12 VDC negative ground connection and can be adapted for 24 VDC systems. Its design includes a perimeter-lighted black dial with blue and white graphics, a polished stainless steel bezel, a white pointer, and a domed, anti-scratch glass lens. Installation requires a 3.375-inch (85mm) hole. This instrument provides essential engine RPM data, aiding in operational efficiency and maintenance scheduling for compatible diesel applications.