General Motors TDM-4509
| GMC TDM-4509 | |
|---|---|
| Years of manufacture | 1949 to 1955 |
| Length | 35 feet |
| Width | 96 inches |
| Power/Fuel | Diesel |
The General Motors TDM-4509 was a 35 foot Old Look transit bus built from 1949 to 1955 in the United States. They featured a 6V71 diesel engine with a manual transmission.
555 units were built in total.
Operators
United States 
- Allen Transportation Company - Sacramento, CA
- Baltimore and Annapolis Railroad - Glen Burnie, MD
- Double A Transportation - Rocky Hill, CT
- Holyoke Street Railway - Holyoke, MA
- Interstate Buses - Springfield, MA
- Leyden Motor Coach - Elmwood Park, IL
- MTA Maryland - Baltimore, MD
- New Haven and Shore Line Railway - CT
- Peerless Stages - Oakland, CA
- RIPTA - Rhode Island
Preserved Coaches
| Year | Thumbnail | Serial | Original Owner | Fleet Number | Current Owner |
|---|---|---|---|---|---|
| 1951 | 280 | Public Service Interstate Transport | E500 | Double A Transportation | |
| 1952 | 316 | Suburban Transit Corporation | 212 | Thomas Willerford |