The British Rail Class 21 was a type of diesel Hydraulic locomotive built by the North British Locomotive Company in Glasgow for British Railways in 1958-1960. They were numbered D6100-D6157. Thirty-eight of the locomotives were withdrawn by August 1968; the rest were rebuilt with bigger engines to become Class 29, although those locos only lasted until 1971.
The Dapol OO Gauge model of the Class 21/29 features:
- Detailed body with etched grilles and separately fitted handrails
- Finely detailed cast wheels
- Metal sprung buffers
- 5 pole Super creep motor with twin brass fly wheels for controlled pulling power and incredible slow running speed
- All wheel drive and pick up
- Independent directional and cab lighting
- DCC Ready with provision of an MTC 21 pin socket
- Accessory bag with optional fitted components
