According to an FMCSA SAFER state query on 6 December 2014, the company has 17,989 power units. Now, bear in mind that this will include any registered vehicle belonging to the company with a GVWR in excess of 10,000 lbs., so that'll include roadside service trucks, mobile cranes, even 15 passenger vans. But you can expect at least 90-95% of those power units to be semi tractors.
19 Billon trucks
not enough
Estimates of 15.5 million trucks operate in the U.S.
a bunch There are 15.5 million trucks in the US and 2 million of them are tractor trailers according to Truck-Info
Yellow-Roadway Corporation.
15.5 million trucks operate in the U.Sfrom: http:/truckinfo.net/trucking/stats.htm
well just in the us we looked at over 10227 trucks sold in 2005 in the usa
i heard 85 million
No, Swift Transportation operates manual transmission trucks. In the past, they have bought limited numbers of trucks with automatic transmissions as part of a pilot program, but have not decided to phase out manuals in favor of autoshifts.
None. Truck classes in the US are numbered, not lettered.
16 million
Estimates of 15.5 million trucks operate in the U.S.