Equipment unit · VIN-decoded · NHTSA vPIC

2013 Retesa

3R9R4TM20DM001981 · TRAILER
Carriers run under3
18 mo
Inspections6
all-time
OOS inspections2
of 6
First seenApr 17, 2024
AZ
Last seenOct 23, 2025
TX
Inspected under 3 different carriers in 18 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
3R9R4TM20DM001981
Make
Retesa
Model
Not decoded
Model year
2013
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
3R9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
R4TM2

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1983 or 2013

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
001981

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
RETESA

Prefix basis · 52 decoded VINs at 100.0% prefix purity.

Model
Retesa

Prefix basis · 52 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2013

Observed directly for this VIN via NHTSA vPIC.

Observed make
RETESA

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 17, 2024 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025TXIII · Driver-only4SOUTHBAY TRANSPORT INC 18379734SX6423/CA
Jul 22, 2025AZII · Walk-around0SOUTHBAY TRANSPORT INC 18379734SX6423/CA
Jan 24, 2025USI · Full8OOSWILLIAMS IGNACIO NARCIA LEON 30895594SX6423/CA
Nov 21, 2024TXII · Walk-around10YAZMIN LILIANA FRAGOSO INZUNZA 37568564SX6423/CA
Nov 6, 2024TXII · Walk-around3WILLIAMS IGNACIO NARCIA LEON 30895594SX6423/CA
Apr 17, 2024AZII · Walk-around12OOSWILLIAMS IGNACIO NARCIA LEON 30895594SX6423/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHBAY TRANSPORT INC1837973Jul 22, 2025Oct 23, 20252CA
WILLIAMS IGNACIO NARCIA LEON3089559Apr 17, 2024Jan 24, 20253SO
YAZMIN LILIANA FRAGOSO INZUNZA3756856Nov 21, 2024Nov 21, 20241SO
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.
4SX6423CASOUTHBAY TRANSPORT INCJul 22, 2025Oct 23, 20252
4SX6423CAWILLIAMS IGNACIO NARCIA LEONApr 17, 2024Jan 24, 20253
4SX6423CAYAZMIN LILIANA FRAGOSO INZUNZANov 21, 2024Nov 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026