NIR Class 3000
| Northern Ireland Railways Class 3000 "C3K" | |
|---|---|
| 3000 Class DMU 3014 at Seahill in 2015 | |
| Refurbished interior of car 3509 of set 3009 | |
| In service | 2005–present | 
| Manufacturer | CAF | 
| Family name | CxK | 
| Constructed | 2004–2005 | 
| Number built | 23 sets | 
| Formation | 3-car sets | 
| Fleet numbers | 3001–3023 | 
| Capacity | 201 seated, 280 standing passengers | 
| Operators | NI Railways | 
| Specifications | |
| Maximum speed | 90 mph (145 km/h) | 
| Prime mover(s) | MAN D2876 LUH03 | 
| Safety system(s) | AWS, TPWS, CAWS (3001-3006) | 
| Track gauge | 1,600 mm (5 ft 3 in) | 
The 3000 Class (C3K class) is a class of diesel multiple unit in service with NI Railways.