Faria Euro Black 4" Tachometer - 4000 RPM (Diesel) (Mechanical Takeoff) - 32842 Trim Tabs & Accessories Also exhausts warm air from

Also exhausts warm air from galleys and engine rooms

foredeck or working area

200/83/455/800 kHz with built-in temperature

Tube thread: 3/8"

The small steel pin is called a shear pin

Faria Euro Black 4" Tachometer - 4000 RPM (Diesel) (Mechanical Takeoff) - 32842 Trim Tabs & Accessories Also exhausts warm air fromEuro Black 4" Tachometer 4000 RPM (Diesel) (Mechanical Takeoff & Var Ratio Alt) Perimeter lighted Black dial with bold White graphics, Black aluminum bezel, contoured White pointer and flat glass lens. Electronic tachometers work by counting pulses generated by the ingition 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