BLW 1200
| Blt 11/52, ex-USN 65-00369 |
S12
| 75709 | 1 | 56705 |
SLRS 300
| ex-US Navy 65-00372 |
S12
| 75712 | 1 | 79894 |
SLRS 301
| ex-ASARCO 1, ex-CRIP 758, nee-BLW demo 1200 |
S12
| 75935 | 8 | 28771 |
SLRS 306
| b/d 02/53, ex-GN 27 |
S12
| 75821 | 2 | 105135 |
SLRS 308
| ex-Michigan Limestone 116 |
S12
| 75959 | 5 | 90121 |