MP 3500-3529:
MP 3500-3509 - built 11/1980 - serial numbers 797322-1 thru 797322-10:
| MP 3500 | MP 3501 | MP 3502 | MP 3503 | MP 3504 |
| MP 3505 | MP 3506 | MP 3507 | MP 3508 | MP 3509 |
MP 3510-3525 - built 1/1981 - serial numbers 807023-1 thru 807023-16:
| MP 3510 | MP 3511 | MP 3512 | MP 3513 | MP 3514 |
| MP 3515 | MP 3516 | MP 3517 | MP 3518 | MP 3519 |
| MP 3520 | MP 3521 | MP 3522 | MP 3523 | MP 3524 |
| MP 3525 |
MP 3526-3529 - built 1/1981 - serial numbers 807058-1 thru 807058-4:
| MP 3526 | MP 3527 | MP 3528 | MP 3529 |