JB/T 8845-2000 This standard is a revision of JB/T 8845-1999 "Test Method for Speed Valve of Construction Machinery". The technical content of the revised standard has undergone major changes. This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the spool-type transmission control valve for the second forward gear and the first reverse gear of tire loaders. This standard is applicable to gearbox control valves for tire loaders, and other tire-type engineering machinery may be adopted as a reference. This standard was first released as ZB J20 004-89 in 1989, and the standard number was adjusted to JB/T 8845-1999 in April 1999.
JB/T 8845-2000 history
2000JB/T 8845-2000 Wheel loaders transmission control valves.Technical specifications