| Rhodesia Railways 16A class Zambia Railways 16A class National Railways of Zimbabwe 16A class | |
| Powertype: | Steam |
| Builder: | Beyer, Peacock and Company |
| Builddate: | 1952–1953 |
| Totalproduction: | 30 |
| Whytetype: | 2-8-2+2-8-2 |
| Uicclass: | 1'D1'+1'D1'h4 |
| Driverdiameter: | 40NaN0 |
| Length: | 82feet |
| Fueltype: | Coal |
| Fuelcap: | 8.5 Tons |
| Watercap: | 5000 Gallons |
| Boilerpressure: | 2002NaN2 |
| Firearea: | 212square feet |
| Tubesandflues: | 2131square feet |
| Fireboxarea: | 49square feet |
| Totalsurface: | 212square feet |
| Superheaterarea: | 494square feet |
| Cylindercount: | Four |
| Cylindersize: | 18x |
| Trainbrakes: | Vacuum |
| Operator: | Rhodesia Railways Zambia Railways National Railways of Zimbabwe |
| Operatorclass: | 16A |
| Numinclass: | 30 |
| Fleetnumbers: | RR: 620–649 NRZ: |
| Withdrawndate: | 1990 |
The Rhodesia Railways 16A class, later Zambia Railways and National Railways of Zimbabwe 16A classes.
The 16A class were, as might be excepted, a modernised version of the older 16th class. The design was thoroughly revised throughout and externally was notable for the "streamlined" tanks and bunkers, while the cab was widened to maximum possible below waistrail, with inwardly sloping panels above. Internally they had long travel, long lap, valve gear, roller bearings on pony truck axles, separate boxes on most, and higher boiler pressure. This latter gave them a tractive effort equal to the former 18th class, to which they were mechanically vastly superior.
In 1978 Rhodesia Railways began to rebuild its steam locomotive fleet. Between 1980 and 1983 the remaining Garratt locomotives were completely overhauled and had some modernisation, including the installation of roller bearings. The work was undertaken by private companies, especially the RESSCO works in Bulawayo.
| First Number | Beyer Peacock Builder Number | Date Built | Date rebuilt | Second Number | Notes | ||
|---|---|---|---|---|---|---|---|
| 620 | 7498 | 1952 | |||||
| 621 | 7499 | 1952 | |||||
| 622 | 7500 | 1952 | |||||
| 623 | 7501 | 1952 | |||||
| 624 | 7502 | 1952 | |||||
| 625 | 7503 | 1953 | 07/1979 | 601 | |||
| 626 | 7504 | 1953 | 06/1980 | 602 | |||
| 627 | 7505 | 1953 | |||||
| 628 | 7506 | 1953 | 04/1980 | 603 | |||
| 629 | 7507 | 1953 | 03/1980 | 604 | |||
| 630 | 7508 | 1953 | |||||
| 631 | 7509 | 1953 | 03/1980 | 605 | |||
| 632 | 7510 | 1953 | 10/1979 | 606 | |||
| 633 | 7511 | 1953 | 02/1980 | 607 | |||
| 634 | 7512 | 1953 | |||||
| 635 | 7513 | 1953 | 05/1980 | 608 | |||
| 636 | 7514 | 1953 | 06/1979 | 609 | |||
| 637 | 7515 | 1953 | 07/1980 | 610 | |||
| 638 | 7516 | 1953 | 07/1980 | 611 | |||
| 639 | 7517 | 1953 | |||||
| 640 | 7518 | 1953 | |||||
| 641 | 7519 | 1953 | |||||
| 642 | 7520 | 1953 | |||||
| 643 | 7521 | 1953 | 06/1979 | 612 | |||
| 644 | 7522 | 1953 | |||||
| 645 | 7523 | 1953 | 11/1979 | 613 | |||
| 646 | 7524 | 1953 | |||||
| 647 | 7525 | 1953 | 09/1980 | 614 | |||
| 648 | 7526 | 1953 | 10/1980 | 615 | Sold to THF (awaiting scrap Voorbaai 2020) | ||
| 649 | 7527 | 1953 |