Carrier profile · USDOT 2284804 · Updated Aug 9, 2026

S B Cox Ready Mix Inc

84 power unitsavg 11.5 yrLocal · 1 statesROCKVILLE, VA74/100
AUTHORITY STATUS UNKNOWN

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)
84
Observed power (24 mo)
22
Trailers (towed)
2

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

Fleet age· model years · decoded VINs

11.5 yr
Average age
2024
Newest model yr
1999
Oldest model yr
8.3%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1M2GR2TC2MM001358View sourced platform decodeTruck2021MACKGranite2Jun 30, 2026
1M2AX04C18M003218View sourced platform decodePower unit2008MACK2Jun 29, 2026
4V5K99GH07N461016View sourced platform decodePower unit2007VOLVO2Jun 5, 2026
1M2GR2NC5PM003817View sourced platform decodePower unit2023MACK2Jan 7, 2026
1M2AX13C9GM060448View sourced platform decodePower unit2016MACK2Jun 5, 2025
1M2GR2TC0NM001683View sourced platform decodePower unit2022MACK2Feb 13, 2025
4J8B0422XRT013002View sourced platform decodeTrailer2024FRUEHAUF1Jun 16, 2026
1M1AN07Y6JM028316View sourced platform decodePower unit2018MACK1Jun 16, 2026
1M2GR2TC1NM001692View sourced platform decodePower unit2022MACK1Jun 3, 2026
1M2AG11C16M041460View sourced platform decodePower unit2006MACK1May 8, 2026
4V5K99GH75N389177View sourced platform decodePower unit2005VOLVO1Apr 30, 2026
1M2GR4GC2LM012526View sourced platform decodeTruck2020MACKGranite1Apr 27, 2026
1M2AG11C77M059785View sourced platform decodePower unit2007MACK1Mar 31, 2026
1HTSDAAN31H314082View sourced platform decodePower unit2001INTERNATIO1Mar 24, 2026
1A9AD2445XP432221View sourced platform decodeTrailer1999UNPUBLISHE1Mar 20, 2026
1M1PN4GY4NM009240View sourced platform decodePower unit2022MACK1Mar 20, 2026
1M2GR4GC7NM028031View sourced platform decodePower unit2022MACK1Nov 18, 2025
3ALACXFC8JDJM1045View sourced platform decodePower unit2018FREIGHTLIN1Oct 8, 2025
1M2GR2TC4MM001359View sourced platform decodePower unit2021MACK TRUCK1Aug 29, 2025
1M2AX04C1FM023725View sourced platform decodePower unit2015MACK1Aug 20, 2025
1M2AX04C4JM037806View sourced platform decodePower unit2018MACK1Apr 21, 2025
1M2AG11C75M023995View sourced platform decodePower unit2005MACK1Mar 3, 2025
1M2GR2TC0MM001360View sourced platform decodePower unit2021MACK1Mar 3, 2025
1M2AG11C06M051221View sourced platform decodePower unit2006MACK1Aug 26, 2024

Showing 24 · most-inspected first.