The 1950’s Bus Page
The PD 4103 coach was known by Greyhound drivers as the “Henry J” It seemed to be much lighter than the “Silversides” Powered by a 6-71N with a 4 speed (on the floor) transmission, it had 41 seats.
The PD 4104 coach was used by all the over the road coach lines. Greyhound named their’s “Highway Traveler” until after they installed restrooms, then they named them “Scenicruiser Service
The 4104 was powered by a 238 HP Detroit Diesel 6-71N. They had a 4 speed transmission. Some Trailways units also had a 2 speed differential.
The Scenicruiser had 10 seats and a restroom in the front, and 33 seats in the upper level. The front of the coach looked like a 4104 except it was lower. To be hired on as a Greyhound driver there was a height restriction as any driver taller than 6’ 2” would not be able to see out the windshield. When introduced it was powered by two Detroit Diesel 4-71N engines producing about 320 HP between them, and operating through a 3 speed transmission with a two speed differential. A major mechanical nightmare was keeping both diesels synchronized. When they came on the market Greyhound re-powered all the Scenicruisers with the 318 HP Detroit Deisel 8V-71N and 4 speed transmissions.
Permission for this picture has been obtained from Trailways Transportation System.
Flxible had 3 similar models. The bi-level pictured above, the hi-level pictured below and another hi-level that had a higher windshield with a single level roof. All three were powered by the 6-71n diesel with a 4 speed transmission. My appreciation to Trailways for letting me use their pictures.
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