| Origin | FMSR | Builder | W. Bagnall, England |
| FMSR Class | T | Cylinder | 13 x 20 inches |
| FMSR Number range | 13-17, 26-28, 70, 71 | Boiler Pressure | 160 psi |
| KTM Class | 32 | Driving Wheel Diameter | 39 inches |
| KTM Number range | 321.01-321.05 | Water Capacity | 750 gallons |
| Introduced | 1926 | Weight Full | 31 tons |
| Extinct | 1966 | Tractive Effort | 11,787 lb |
321.01 was sold into industrial use, and has subsequently been preserved in post-war livery at the National Museum (Muzium Negara) in Kuala Lumpur. The first and last photos above are of the same loco, some 70 years apart.