| Frame | Model type | Establish year | Name |
|---|---|---|---|
| Model NJ47A | |||
| 123277 | TU250GBK1 | 2001 | Grasstracker Big Boy |
| 131140 | TU250GBK2 | 2002 | |
| 134537 | TU250GBK3 | 2003 | |
| 136556 | TU250GBK3 | 2003 | |
| Model NJ4BA | |||
| 100001 | TU250GBK4 | 2004 | Grasstracker Big Boy |
| 102799 | TU250GBK5 | 2005 | |
| 104733 | TU250GBK6 | 2006 | |
| 106962 | TU250GBK7 | 2007 | |
| Model NJ4DA | |||
| 100001 | TU250GBK9 | 2009 | Grasstracker Big Boy |
| 101163 | TU250GBZL0 | 2010 | |
| 101293 | TU250GBL0 | 2010 | |