 Likewise, its much larger sibling truck, the Hanyang HY4330, is able to carry DF-31 (both DF-31A and DF-31B variants) intercontinental ballistic missiles, and functions in a similar nature to conventional TELs.The Hanyang HY4260 is a model 6x6 tractor truck produced and developed by the Hanyang Special Purpose Vehicle Institute.Like other Chinese TELs such as the WS2600, the HY4260 primarily carries the DF-21 intermediate range ballistic missile, which is towed on the back on a semi-trailer.