Standards & approvals

JCMAS

The Japan Construction Mechanization Association publishes standards for construction machinery. Its HK grade defines hydraulic oils for excavators and similar machines, with stricter wear requirements than general industrial norms; the W suffix marks the low-temperature viscosity version.

Full name
Japan Construction Mechanization Association
Type
Standards body
Official website
jcmanet.or.jp

JCMAS standards

Hydraulic oil

  • JCMAS HK VG32JCMAS HK VG32 — construction machinery hydraulic fluid
  • JCMAS HK VG32WJCMAS HK VG32W — construction machinery hydraulic fluid
  • JCMAS HK VG46JCMAS HK VG46 — construction machinery hydraulic fluid
  • JCMAS HK VG46WJCMAS HK VG46W — construction machinery hydraulic fluid

Test method

  • JCMAS P 041JCMAS P 041 — hydraulic fluid low-temperature test

Products with a JCMAS approval or standard

Agricultural multifunction oils

Hydraulic oils

All standards and approvals

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