37150 - Truck trailers (Miscellaneous)
37151 - Truck trailers & Chassis
3715102 - - Truck trailers, Steel van: Closed top: Insulated (Refrigerated)
3715104 - - Truck trailers, Steel van: Closed top: Semi-insulated (Nonrefrigerated)
3715105 - - Truck trailers, Steel van: Closed top: Drop frame type (=>12 ins drop) + Furniture drop frame, excl livestock drop frame
3715107 - - Truck trailers, Steel van: Closed top: Livestock + Livestock drop frame
3715109 - - Truck trailers, Steel van: Closed top: all other Closed top dry freight vans
3715110 - - Truck trailers, Complete units + Vans, Platform, Pole, Pipe & Logging, etc.
3715111 - - Complete van trailers & Chassis (except detachable) all other Closed-top dry freight, 30 feet or Greater, Steel
3715112 - - Truck trailers, Steel van: Open top + Low-sided grain, Fruit, etc.
3715114 - - Truck trailers, Aluminum van: Closed top: Insulated (Refrigerated)
3715115 - - Truck trailers, Aluminum van: Closed top: Drop frame type (=>12 ins drop) + Furniture drop frame, excl livestock drop frame
3715116 - - Truck trailers, Aluminum van: Closed top: Semi-insulated (Nonrefrigerated)
3715117 - - Truck trailers, Aluminum van: Closed top: Livestock + Livestock drop frame
3715119 - - Truck trailers, Aluminum van: Closed top: all other Closed top dry freight vans
3715120 - - Tank trailers for Flammable liquids, except casinghead transport + Aircraft refuelers, all materials
3715121 - - Truck trailers, Aluminum van: Open top + Low-sided grain, Fruit, etc.
3715123 - - Complete van trailers & Chassis (except detachable) all other Closed-top dry freight, > 30 feet long, Aluminum
3715125 - - Complete van trailers & Chassis (except detachable) all other Closed-top dry freight, 30 feet or Greater, Aluminum
3715128 - - Tank trailers for Asphalt, all materials
3715130 - - Tank trailers: Coded for Chemicals & Acids, all materials
3715132 - - Tank trailers: all other + Noncoded for Chemicals & Acids, High pressure, Food & Milk, Sanitary & Cryogenics, all materials
3715133 - - Trailers: Bulk commodity & Dry materials + Pneumatic & Mechanical discharge (both Tank & Hopper types) except van
3715135 - - Trailers: Pole, Logging & Pipe
3715137 - - Trailers: Platform
3715138 - - Trailers: Low bed heavy haulers: <40-ton capacity
3715139 - - Trailers: Low bed heavy haulers: =>40-ton capacity
3715140 - - Dump trailers & Dump chassis, Highway type (Rear, Side & Bottom dump + Nonpneumatic hoppers) for Material
3715142 - - Dump trailers & Dump chassis, Highway type (Rear, Side & Bottom dump + Nonpneumatic hoppers) for other + Demolition & Excavation
3715144 - - Automobile transport trailers
3715145 - - Dollies or Converter gear
3715149 - - Trailers & Chassis (General) except detachable trailers & Detachable trailer chassis
3715150 - - Detachable trailer bodies & Detachable trailer chassis, Dollies & Converter gear
3715153 - - Detachable trailer bodies (Cargo containers) sold separately
3715154 - - Detachable trailer chassis & Running gear, sold separately
3715160 - - Truck trailers, FRP/plywood van: Closed top: Insulated (Refrigerated)
3715162 - - Truck trailers, FRP/plywood van: Closed top: Semi-insulated (Nonrefrigerated)
3715164 - - Truck trailers, FRP/plywood van: Closed top: Drop frame type (=>12 ins drop)
3715167 - - Complete van trailers & Chassis (except detachable) all other Closed-top dry freight, > 30 feet long, Fiberglass reinforced plastics
3715168 - - Truck trailers, FRP/plywood van: Closed top: all other Closed top dry freight vans
3715169 - - Complete van trailers & Chassis (except detachable) all other Closed-top dry freight, 30 feet or Greater, Fiberglass reinforced plastics
3715170 - - Truck trailers, FRP/plywood van: Open top + Low-sided grain, Fruit, etc.
3715199 - - Truck trailers & Chassis (Miscellaneous)
37152 - Truck trailers & Truck trailer chassis with axles rated <10000 lb
3715201 - - Tank truck trailers & Chassis, > 10000 lb (4.54 metric tons) maximum load
3715202 - - Other Truck trailers & Chassis, > 10000 lb (4.54 metric tons) maximum load
3715299 - - Truck trailers & Chassis, > 10000 lb (4.54 metric tons) maximum load rating per axle
3715XX0 - - Truck trailers (Miscellaneous - Volume)
3715XX2 - - Truck trailers (Miscellaneous - Speciality)