
| Years Produced: | 1930 - 1936 |
| Number Produced: |
11 end cab units 4 steeple cab units |
| Engine Type: | Beardmore, 6 cyl |
| Horse Power: | 300, 400 or 530 |

| built as | engine | body built by | disposition |
| WEMCO demo 21 | 400hp 9"x12" | Baldwin c/n 61262 | Westinghouse #9 |
| AS&W 1 | 400hp 9"x12" | Baldwin c/n 61264 | ARMCO B-73 |
| WEMCO demo 8 | 400hp 9"x12" | Baldwin c/n 61263 | Westinghouse #8 |
| CNR 77 | 400hp 9"x12" | Canadian Locomotive Company | see CNR 77 |
| Great Lakes Steel 1 | 300hp 8-1/4"x12" | Baldwin c/n 61361 | - |
| Great Lakes Steel 2 | 300hp 8-1/4"x12" | Baldwin c/n 61396 | - |
| ARMCO B-71 | 300hp 8-1/4"x12" | Baldwin c/n 61401 | - |
| WEMCO demo 4 | 300hp 8-1/4"x12" | WEMCO | - |
| Great Lakes Steel 3 | 530hp 9"x12" supercharged | Baldwin c/n 61983 | Detroit Marine #9 |
| Great Lakes Steel 4 | 530hp 9"x12" supercharged | Baldwin c/n 61984 | Detroit Marine #4 |
| Great Lakes Steel 5 | 530hp 9"x12" supercharged | Baldwin c/n 61985 | - |

| built as | engine | body built by | disposition |
| WEMCO demo 23 | two 400hp 9"x12" | Baldwin c/n 61742 | Northhampton & Bath 801 |
| WEMCO demo 12 | two 400hp 9"x12" | Baldwin c/n 61750 | Northhampton & Bath 802 |
| Great Western 3 | two 400hp 9"x12" | WEMCO | - |
| Great Western 4 | two 400hp 9"x12" | WEMCO | - |
ARMCO B-73![]() Photos by John Smatlak B-73 at the Pennsylvania Trolley Museum |
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