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湖南宇通告訴您現在架線式電機車新老型號對照表：
| 新型號 | 原型號 |
| CJY1.5/6.7.9G 100V (B) | ZK1.5-6.7.9/100 |
| CJY1.5/6.7.9G 250V (B) | ZK1.5-6.7.9/250 |
| CJY3/6.7.9G(B) | ZK3-6.7.9/250-1 |
| CJY3/6.7.9G(B) | ZK3-6.7.9/250-2(550V) |
| CJY6/6.7.9G 250V (B) | ZK6-6.7.9/250 |
| CJY6/6.7.9G Y(B) | ZK6-6.7.9/250-C |
| CJL6/6.7.9G(B) 550V | ZK6-6.7.9/550 |
| CJY7/6.7.9G 250V (B) | ZK7-6.7.9/250 |
|
CJY7/6.7.9G (B)550V CJZ7/6.7.9G(B) |
ZK7-6.7.9/550 |
| CJY10/6.7.9G (B) 250V | ZK10-6.7.9/250 |
| CJY10/6.7.9G (B) 250V | ZK10-6.7.9/250-0(1) |
| CJY10/6.7.9G (B) 250V | ZK10-6.7.9/250-3 |
| CJY10/6.7.9G (B) 550V | ZK10-6.7.9/550 |
| CJY10/6.7.9G (B) 550V | ZK10-6.7.9/550-8 |
| CJY10/6.7.9G (B) 550V | ZK10-6.7.9/550-4 |
| CJY10/6.7.9GY (B) 550V | ZK10-6.7.9/550-6C.1 |
| CJY14/6.7.9GY (B) | ZK14-6.7.9/550-5C |
| CJY20/7.9G (B) | ZK20-7.9/550 |
| CJY20/7.9GY (B) | ZK20-7.9/550-2C |
| CJZ30/7.9G (B) | ZK30-7.9/550-(0) |
| CJZ20/7.9G (B) | ZL20-7.9/550-3 |
