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This is a First Gear Komatsu GD655 Motor Grader V-Plow Wing 1:50 model. I purchased it in 2006 right when this model came out and they did a limited run of Iowa DOT models. Im not sure exactly how many they did but I think it was around 50.
When the valve with internal leakage failure disintegrates, it is found that the sealing surface of the valve core seat is damaged, which is characterized by dense medium scouring grooves. In the closed state, the valve medium can still leak along the...
According to the analysis of protective components used in agricultural machinery, the leakage control of hydraulic cylinder is mainly piston seals. From the point of view of inspection, specific inspections should be carried out for different types. For...
The swash plate axial piston pump on the traditional research on the flow characteristics and pressure characteristics in low speed conditions, to improve the series piston pump, which can meet in low-speed conditions as power element pump control system...