Features: 1.【Working Pressure】Its max working pressure is 6000PSI/400BAR. 2.【Application】Suitable for most excavator Caterpillar, Case, John Deere, Cummins engine, many diesel trucks for fuel pressure testing, ETC. 3.【Strong Compatibility】Compatible with Parker PD series coupling and PD steel test port. 4.【Convenient】Easy to use and carry, quickly release coupling to fit most brand excavator. 5.【Fitment】For Parker's Senso Control diagnostic equipment. Product Description: .