These Progauges products cover 9 reliable mechanical gauges and instruments, including Ø 85mm cable-driven mechanical speedometers, odometers, and tachometers, as well as 52 mm Bourdon tube gauges for monitoring oil pressure, coolant temperature, oil temperature, vacuum, and turbo boosts, and cable-driven counter wheel drivetrain components. Our mechanical gauges and instruments are fully mechanical, and they are intended for OEM/ODM development and aftermarket replacement across commercial trucks, buses, passenger cars, agricultural and construction machinery, forklifts, generator sets, and commercial marine vessels, delivering durable and precise machine monitoring performance.