Features and Benefits: Easy-to-use compression tester is designed specifically for medium-duty diesel engines equipped with glow plugs; Dual reading gauge measures compression to 1000 psi and 7000 kPa. ; Gauge has a push-button release valve and quick disconnect fittings on the hose end; Tester comes with all the necessary glow plug and nozzle adapters in a handy storage case ; Tester services these engines: Cummins B and C; Navistar DT466/DT360; Ford/Navistar 6.9 & 7.3L; GM 6.2L and 6.5L; Hino diesel and Mitsubishi Fuso truck engines.;