Equipment unit · VIN-decoded · NHTSA vPIC

2021 Dragon esp Dragon ESP

1UNSD3420MR168649 · Trailer · TRAILER
Carriers run under4
29 mo
Inspections4
all-time
OOS inspections4
of 4
First seenAug 8, 2023
TX
Last seenJan 22, 2026
TX
Inspected under 4 different carriers in 29 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1UNSD3420MR168649
Make
Dragon esp
Model
Dragon ESP
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 8, 2023 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026TXII · Walk-around10OOSDEER RAZO LLC 450422323R563N/TX
Oct 22, 2024TXII · Walk-around15OOSPORTBROSS TRANSPORTATION LLC 421752753R794M/TX
Sep 21, 2023TXII · Walk-around14OOSSAN TA C TRUCK LLC 398031859U281M/TX
Aug 8, 2023TXI · Full13OOSFR512 TRUCKING LLC 4062592AK6457/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DEER RAZO LLC4504223Jan 22, 2026Jan 22, 20261TX
PORTBROSS TRANSPORTATION LLC4217527Oct 22, 2024Oct 22, 20241TX
SAN TA C TRUCK LLC3980318Sep 21, 2023Sep 21, 20231TX
FR512 TRUCKING LLC4062592Aug 8, 2023Aug 8, 20231TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
23R563NTX—DEER RAZO LLCJan 22, 2026 → Jan 22, 20261
53R794MTX—PORTBROSS TRANSPORTATION LLCOct 22, 2024 → Oct 22, 20241
59U281MTX—SAN TA C TRUCK LLCSep 21, 2023 → Sep 21, 20231
AK6457OK—FR512 TRUCKING LLCAug 8, 2023 → Aug 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026