All the B12 locomotives were fitted with vacuum ejectors between 1924 and 1929 (the 1928 batch had them from new). Fifty-five locomotives were fitted with ACFI feedwater heaters between 1927 and 1934, but these were removed between 1934 and 1942. The first substantive change was the fitting of Lenz poppet valves to the 1928 batch (from new), and six of the ex-GE locomotives (8516/19/25/32/33/40).[5] These locomotives were then classified as class B12/2. The poppet valves were not a great success and they all reverted to or were converted to piston valve engines between 1931 and 1934.
![All the B12 locomotives were fitted with vacuum ejectors between 1924 and 1929 (the 1928 batch had them from new). Fifty-five locomotives were fitted with ACFI feedwater heaters between 1927 and 1934, but these were removed between 1934 and 1942. The first substantive change was the fitting of Lenz poppet valves to the 1928 batch (from new), and six of the ex-GE locomotives (8516/19/25/32/33/40).[5] These locomotives were then classified as class B12/2. The poppet valves were not a great success and they all reverted to or were converted to piston valve engines between 1931 and 1934.](https://pixelartmaker-data-78746291193.nyc3.digitaloceanspaces.com/image/e381a3d961df79c.png)
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Description: OC Name: Alex || Made by CT || Some stuff by _daz_ || New Sprite Section by Ekusukariba (Eku)
| CREATOR ID: | 000885 |
| VIEWS: | 30 |
| AGE: | 5 years old |
| BASED ON: | Save |
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