Tachometer 1820 with hourmeter 0 to 4000 rpm - electrical 12 and 24 volts. ( 3 1/2" diameter). 3 prong mounting. Receives rpm signal fromAlternator. This electrical tachometer is designed for the most heavy duty marine, industrial and automotive applications. With black background,chrome rim and white needle you will find your engine rpm reading to be extremely clear. Each 12 and 24 volts electrical tachometer comes with a100% money back guarantee and will ship direct to you within 24hr worldwide.
Use this tachometer with Detroit Diesel, Cummins, Caterpillar and other heavy duty engines.
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