Carrier profile · USDOT 3606119 · Updated Sep 6, 2026

STX Underground LLC

2 power unitsavg 6.8 yrLocal · 1 statesBROWNSVILLE, TX74/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksFMCSA SAFER

Equipment

Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
2
Observed power (24 mo)
5
Trailers (towed)
7

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

6.8 yr
Average age
2024
Newest model yr
1999
Oldest model yr
50.0%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1FDFF6LT6RDA11300View sourced platform decodeIncomplete - Chassis Cab (Single Cab)2024FORDF-6006Dec 4, 2025
7JEPU2127MG000706View sourced platform decodeTrailer2021LUCONLucon3Dec 4, 2025
1JK0DT182XA002320View sourced platform decodeTrailer1999INTERSTATE TRAILERInterstate Trailers, Inc.3May 6, 2025
16JF01628R1052207View sourced platform decodeTrailer2024BELSHE INDUSTRIESBelshe Industries2Jul 11, 2026
1HTKJPVK8NH557758View sourced platform decodeIncomplete - Chassis Cab (Single Cab)2022GMGM5152Jul 11, 2026
3C7WRNBL6FG539377View sourced platform decodePower unit2015RAM2Oct 13, 2025
5HZBF1626DLKD1265View sourced platform decodeTrailer2013VACT1Oct 13, 2025
1FD0W5HN4PEC86942View sourced platform decodePower unit2023FORD1Jan 18, 2025
4KNBF2824NL162624View sourced platform decodeTrailer2022TOWM1Jan 18, 2025
7NWH16A89PK050167View sourced platform decodeTrailer2023VERM1Oct 22, 2024
3C7WRSBL5NG141798View sourced platform decodePower unit2022RAM1Sep 27, 2024
16V1D1724P5268802View sourced platform decodeTrailer2023BIG TEXBig Tex1Sep 27, 2024

Showing 12 · most-inspected first.