2014年11月7日 · Modified buses should be considered to be a truck and should be appropriately classified. In reporting information on trucks, the following criteria should be used: Truck tractor units traveling without a trailer will be considered single-unit trucks;

Single-Unit Trucks: Are vehicle configurations designed to transport property, where the cargo carrying capability of the vehicle is integral to the body of the vehicle (i.e. - it does not carry its cargo in an attached trailer).

FHWA “SINGLE UNIT” TRUCK CLASSIFICATION. pulling FHWA defines “Single Unit” trucks as all vehicles on a single frame including trucks, camping and recreational vehicles, motor homes, etc. Additionally, truck-tractor units travelling without a trailer should be considered single-unit trucks. A truck-tractor unit pulling other such

2015年7月17日 · Single unit trucks are trucks with a gross vehicle weight rating (GVWR) greater than 10,000 pounds with no trailer. They’re primarily straight trucks, in which the engine, cab, drive train, and cargo area are mounted on one chassis.

These vehicles can have axle spacings that are similar to those of a conventional, two-axle truck pulling a heavy, single-axle trailer, a vehicle classified as a Class 8.

Single-Unit (SU) Trucks – Also referred to as straight trucks, this class of vehicles includes all trucks on a single frame with two or more axles and dual rear wheels. These vehicles are allowed in all States, but the weight allowed depends on axle limits and axle spacing.

The Class 8 truck gross vehicle weight rating (GVWR) is a vehicle with a GVWR exceeding 33,000 lb (14,969 kg). [2] [28] These include tractor trailer tractors, single-unit dump trucks of a GVWR over 33,000 lb, as well as non-commercial chassis fire trucks; such trucks typically have 3 or more axles. [29]

Single-Unit Truck 3 50,000 to 65,000 Single-unit trucks (SUT) are the most commonly used trucks. They are used extensively in all urban areas for short hauls. Three-axle SUTs are used to carry heavy loads of materials and goods in lieu of the far more common two-axle SUT. 4 or more 62,000 to 70,000 SUTs with four or more axles are used to carry the

Single-Unit (2 Axles, 6 Tires) Bus (9-15 Seats, Including Driver) Bus (16 or More Seats, Including Driver) Truck Tractor/Triple (Three Trailers) Truck/Trailer (Single-Unit Truck Pulling a Trailer) Truck Tractor (Bobtail) Tractor/Semi Trailer (One Trailer) Single-Unit (3 or More Axles) Truck Tractor/Double (Two Trailers) www.fmcsa.dot.gov

Truck tractors without a trailer attached are considered single-unit trucks. The FHWA 13-category vehicle classification system is as follows: Federal and state truck weight laws exist to regulate tractor trailer weight while traveling on interstate and intrastate roadways.