Carrier profile · USDOT 1600539 · Updated Jun 21, 2026

4jlj LLC

DBA J4 OILFIELD SERVICES

144 power unitsavg 16.4 yrLocal · 2 statesROBSTOWN, TX80/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linksj4oilfield.comFMCSA 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)
144
Observed power (24 mo)
25
Trailers (towed)
17

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

Fleet age· model years · decoded VINs

16.4 yr
Average age
2025
Newest model yr
2001
Oldest model yr
4.8%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1XKWDB8X87J194717View sourced platform decodeTruck-Tractor2007KENWORTHW9 Series3Jul 1, 2026
1XPWD49X5DD162564View sourced platform decodePower unit2013——2Aug 13, 2026
2PLC040377EE12909View sourced platform decodeTrailer2007PEER—2Apr 29, 2026
1XKWDB0X6BJ285618View sourced platform decodeTruck-Tractor1981KENWORTHW9002Mar 21, 2026
3ALACXCY4EDFV4380View sourced platform decodePower unit2014FRHT—2Nov 12, 2025
1XPTD49X68D739918View sourced platform decodePower unit2008PTRB—2May 26, 2025
1XPWD49X1CD162513View sourced platform decodePower unit2012PTRB—2Dec 28, 2024
1XPTD49X29D773503View sourced platform decodePower unit2009PTRB—2Dec 26, 2024
2PLC040306BH12467View sourced platform decodeTrailer2006PEER—1Jul 1, 2026
1XPWD49X0DD162469View sourced platform decodePower unit2013PTRB—1May 8, 2026
5JYFB5327CE084373View sourced platform decodeTrailer2012DORS—1May 8, 2026
1XPWD49XXDD162558View sourced platform decodePower unit2013PTRB—1Apr 29, 2026
1XKWDB8X46R145367View sourced platform decodePower unit2006KW—1Apr 28, 2026
1XPTD49X09D773483View sourced platform decodePower unit2009PTRB—1Apr 28, 2026
1XPWDB9XX9D780667View sourced platform decodePower unit2009PTRB—1Mar 21, 2026
TR236186Trailer—SHOP—1Mar 21, 2026
FT225186115000111View sourced platform decodeTrailer2001OTHR—1Mar 21, 2026
1XPWD49X4DD162586View sourced platform decodePower unit2013PTRB—1Mar 17, 2026
FT225125136000105View sourced platform decodeTrailer2003STEM—1Mar 17, 2026
1V9SX4134FN062937View sourced platform decodeTrailer2015FRAC—1Mar 17, 2026
1XKWDB0X4BJ285634View sourced platform decodePower unit2011KW—1Jan 4, 2026
1N9N7FA32ET311058View sourced platform decodeTrailer2014OTHR—1Jan 4, 2026
1XPWD49X6DD162573View sourced platform decodePower unit2013PTRB—1Dec 27, 2025
4P5FD262XD1187773View sourced platform decodeTrailer2013PJTM—1Nov 12, 2025
1M91P4029EA211933View sourced platform decodeTrailer2014MERT—1Sep 21, 2025
3WKDD40X76F986598View sourced platform decodePower unit2006KW—1Sep 21, 2025
1XKDD40X97R994779View sourced platform decodePower unit2007KW—1Aug 29, 2025
LJRC1327482013106View sourced platform decodeTrailer2008STEW—1Aug 5, 2025
1XKDD40X16R987470View sourced platform decodePower unit2006KW—1Aug 5, 2025
1GRDM9626SM079002View sourced platform decodeTrailer2025OTHR—1Jul 12, 2025
1XPWDB9XX8D749482View sourced platform decodePower unit2008PTRB—1Jul 12, 2025
5DDKE323561002490View sourced platform decodeTrailer2006KALY—1Jun 5, 2025
1A9PF44331L448097View sourced platform decodeTrailer2001ASPE—1May 26, 2025
1A9PF44371L448099View sourced platform decodeTrailer2001ASPE—1Apr 24, 2025
1XPWD49X8DD162560View sourced platform decodePower unit2013PTRB—1Apr 24, 2025
1XKDD40X35R982494View sourced platform decodePower unit2005KW—1Mar 26, 2025
1XPWD49X2CD138009View sourced platform decodePower unit2012PTRB—1Feb 25, 2025
1UNSF4434JA133700View sourced platform decodeTrailer2018DRAG—1Feb 25, 2025
1XKDD40X77R994778View sourced platform decodePower unit2007KW—1Dec 26, 2024
5DDKM402161002070View sourced platform decodeTrailer2006KALY—1Dec 26, 2024
1XPTD49X6CD162705View sourced platform decodePower unit2012PTRB—1Dec 10, 2024
5KJJABDR3BPBC2076View sourced platform decodePower unit2011WSTR—1Nov 6, 2024
2PLC040316BK12668View sourced platform decodeTrailer2006PEER—1Nov 6, 2024

Showing 43 · most-inspected first.