Chichibu Railway 7800 series
The Chichibu Railway 7800 series is a 2-car electric multiple unit train type operated by the Japanese private railway operator Chichibu Railway on Chichibu Main Line local services since 16 March 2013.
Overview
The first 2-car train was converted from former Tokyu 8090 series cars in 2012 by Tokyu Techo Systems. Conversion details include the removal of electrical equipment from one former motored car, the addition two lozenge-type pantographs on the DeHa 7800 car, and the addition of new cab ends.Formations
The 2-car sets are formed as follows, with one motored car and one non-powered trailer car. The DeHa 7800 car is at the end.| Designation | Mc | Tc |
| Numbering | 7801 | 7901 |
| Weight | 34.9 | 30.9 |
| Capacity | 140/45 | 139/48 |
The DeHa 7800 car is fitted with two lozenge-type pantographs.
History
The first set was rebuilt by Tokyu Techno Systems in December 2012. It entered service from the start of the revised timetable on 16 March 2013.Build details
The conversion histories and former identities of the fleet are as shown below.| Set No. | Car No. | Tokyu numbering | Conversion date |
| 7801 | DeHa 7801 | DeHa 8490 | 15 March 2013 |
| 7801 | KuHa 7901 | DeHa 8290 | 15 March 2013 |
| 7802 | DeHa 7802 | DeHa 8494 | 15 November 2013 |
| 7802 | KuHa 7902 | DeHa 8298 | 15 November 2013 |
| 7803 | DeHa 7803 | DeHa 8496 | 24 February 2014 |
| 7803 | KuHa 7903 | DeHa 8282 | 24 February 2014 |
| 7804 | DeHa 7804 | DeHa 8495 | 20 March 2014 |
| 7804 | KuHa 7904 | DeHa 8280 | 20 March 2014 |