General Motors TDH-4507

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GMC TDH-4507
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Years of manufacture 1946 to 1949
Length 35 feet
Width 96 inches
Power/Fuel Diesel

The General Motors TDH-4507 was a 35 foot Old Look transit bus built from 1946 to 1949 in the United States. There were several new features on the 4507 including a Thermo-Matic heating and ventilation system, use of insulated rear engine hatches to reduce noise, and a passenger activated treadle step rear door.

3045 units were built in total.




  • Spicer


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Preserved Coaches

Year Thumbnail Serial Original Owner Fleet Number Current Owner
1947 675 Baltimore Transit Company 1426 K. Mueller
1947 1660 City of Bergen-Binnen 8 SVA in Holland