SL-SF 525-542:
SL-SF 525-534 - built 10-11/1950 - serial numbers 11983-11992:
| SL-SF 525 | SL-SF 526 | SL-SF 527 | SL-SF 528 | SL-SF 529 |
| SL-SF 530 | SL-SF 531 | SL-SF 532 | SL-SF 533 | SL-SF 534 |
SL-SF 535-540 - built 11-12/1950 - serial numbers 12919-12924:
| SL-SF 535 | SL-SF 536 | SL-SF 537 | SL-SF 538 | SL-SF 539 |
| SL-SF 540 |
SL-SF 541-542 - built 12/1950 - serial numbers 13533-13534:
| SL-SF 541 | SL-SF 542 |