| Standard ID | JB/T 12477-2018 (JB/T12477-2018) |
| Description (Translated English) | (Crane base reducer) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Word Count Estimation | 29,265 |
| Date of Issue | 2018-04-30 |
| Date of Implementation | 2018-12-01 |
| Older Standard (superseded by this standard) | JB/T 8905.2-1999 |
| Regulation (derived from) | Ministry of Industry and Information Technology Announcement No.23 of 2018 |
| Summary | This standard specifies the type, basic parameters and dimensions, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the base reducer for cranes. |