| Description | Average Legal Acceptable Weights | Average Legal Acceptable Dimensions |
Van: 53 ft air ride
 | 53 ft. air ride
40K to 45K | L - 53'
H - 9'2" (110")
W - 8'2" (98" inside clearance: Van is 102" total width including frame) |
Flatbed
 | 40K to 48K | L - 40' - 53'
H - 8'6" ( 102") The total height for legal trailers is 13'6" and most Flats are 5 ft off ground already, leaving 8'6" of space.
W - 8' 6" (102") |
Extendible (Stretch) Flatbed
 | 40K to 44K | L - 40' - 75'
H - up to (102")
W - 8' 6" ( 102") |
Stepdeck (Dropdeck)
 | 40K to 46K | L - 35' - 37'
H - up to 10' (120") The lower deck drops 18" more than a normal Flatbed.
W - 8' 6" ( 102") |
Extendible Stepdeck
 | 37K to 40K
40K to 44K | L - 37' - 60'
H - up to 10' ( 120")
W - 8' 6" ( 102") |
Double Drop
 | 35K to 40K | L 24' - 30'
H - up to 11'8" (140")
W - 8'6" ( 102") |
Double Extended Drop
| 35K to 40K | L 26' - 50'
H - up to 11'8" (140")
W - 8'6" ( 102") |
Double Drop/Lowboy (R.G.N.)
| 36K to 42K | L 24' - 30'
H - up to 12' (144")
W - 8'6" ( 102") |
Stepdeck (3 axle)
 | 40k to 75k | L 42'
H - up to 10'6" (126")
W - 8'6" ( 102") |
Extendible Stretch Stepdeck (3 axle)
 | 40k to 75k | L 55'
H - up to 10'6" (126")
W - 8'6" ( 102") |
Lowboy
 | 35k to 44k | L 25'
H - up to 12' (144")
W - 8'6" ( 102") |
35-Ton Lowboy
 | 40k to 75k | L 25'
H - up to 12' (144")
W - 8'6" ( 102") |
50-Ton Lowboy
 | 40k to 90k | L 25'
H - up to 12' (144")
W - 8'6" ( 102") |
75-Ton Lowboy
 | 40k to 150k | L 25'
H - up to 12' (144")
W - 8'6" ( 102") |