The Ohio Museum of Transportation
GM S6M4503A U.S. Production List
Suburban Configuration/6 cylinder diesel/Manual transmission
45 passenger/ Model 03/Air Conditioned
35 foot long/96 inch wide
Manufactured from 1968 to 1971
| Serial # | Notes | Property | Fleet Number | Delivery Date |
| 0001 | - | Anzac Transportation Company (CA) | 5 | 03/68 |
| 0002 | - | Baptist Memorial Hospital (Memphis TN) | 68 | 03/68 |
| 0003 | - | Yosemite Park & Curry Company (CA) | 71 | 04/68 |
| 0004 | - | Texas Motor Coaches (TX) | 1846 | 05/68 |
| 0005-0006 | - | United States Air Force (Holloman AFB) | 68B9977-68B9978 | 07/68 |
| 0007-0008 | - | Gray Line Tours Inc (Seattle WA) | 1818-1819 | 06/68 |
| 0009-0011 | - | Suburban Lines Inc (Washington PA) | 111-113 | 06/68 |
| 0012-0013 | - | Brush Hill Transportation Company (MA) | 6824-6825 | 12/68 |
| 0014 | 1 | Valley Bus Equipment/Valley Bus Company (TX) | 310 | 03/69 |
| 0015-0016 | - | Hawthorne Christian Schools (CA) | 45S2-45S3 | 02/69 |
| 0017 | - | GMOO/Gray Line Tours (PR) | - | 05/69 |
| 0018 | - | Charles W. Pickens Company (Grand Canyon AZ) | 303 | 06/69 |
| 0019-0021 | - | GMOO/Esso International (Iran) | - | 05/69 |
| 0022 | - | Werner Bus Lines (PA) | 70 | 05/69 |
| 0023 | - | Werner Bus Lines (PA) | 72 | 05/69 |
| 0024 | - | Greenville Charter Coach Company (Greenville SC) | 102 | 10/69 |
| 0025 | - | General American Development Company (San Francisco CA) | - | 01/70 |
| 0026-0027 | - | GMOO/Esso International (Iran) | - | 07/70 |
| 0293 | - | USGSA for Secret Service (DC) GMC SERIAL ERROR | - | 0871 |
| 0294-0295 | - | GMOO/Esso International (Iran) GMC SERIAL ERROR | - | 08/71 |
Notes:
1. Coach is preserved by Richard Johnson Jr. of Queen Creek, AZ
GM assigned the last three coaches in this series an incorrect serial number. The serials used for these three were from S8M5303A's. The S8M5303A's serial numbers for these three were skipped due to the mis-assignment..
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Page revised on January 13, 2008