Equipment unit · VIN-decoded · NHTSA vPIC

2024 Trailmobile Trailmobile Trailer

1PT01ACH4R9001973 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections7
all-time
OOS inspections5
of 7
First seenMar 22, 2025
TX
Last seenJun 12, 2026
TX
Inspected under 2 different carriers in 15 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
1PT01ACH4R9001973
Make
Trailmobile
Model
Trailmobile Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
1PT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
01ACH

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1994 or 2024

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

North American serial sequence
001973

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
TRAILMOBILE

Prefix basis · 33 decoded VINs at 100.0% prefix purity.

Model
Trailmobile Trailer

Prefix basis · 33 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
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
TRAILMOBILE

Observed directly for this VIN via NHTSA vPIC.

Observed model
Trailmobile Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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 · Mar 22, 2025 – Jun 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2026TXI · Full13OOSVALENTIN CASTILLO REQUENA 2903428535UL4/NL
Jun 12, 2026TXI · Full13OOSVALENTIN CASTILLO REQUENA 2903428535UL4/NL
May 30, 2026TXII · Walk-around9VALENTIN CASTILLO REQUENA 2903428535UL4/NL
May 8, 2026TXI · Full14OOSVALENTIN CASTILLO REQUENA 2903428535UL4/TA
Apr 24, 2026TXII · Walk-around9VALENTIN CASTILLO REQUENA 2903428535UL4/NL
Aug 22, 2025TXI · Full21OOSVALENTIN CASTILLO REQUENA 2903428535UL4/MX
Mar 22, 2025TXII · Walk-around13OOSMARCO ISIDRO GUERRERO GUEVARA 3262431535UL4/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VALENTIN CASTILLO REQUENA2903428Aug 22, 2025Jun 12, 20266TA
MARCO ISIDRO GUERRERO GUEVARA3262431Mar 22, 2025Mar 22, 20251TA
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.
535UL4NL2VALENTIN CASTILLO REQUENAApr 24, 2026Jun 12, 20264
535UL4TAVALENTIN CASTILLO REQUENAMay 8, 2026May 8, 20261
535UL4MXVALENTIN CASTILLO REQUENAAug 22, 2025Aug 22, 20251
535UL4MXMARCO ISIDRO GUERRERO GUEVARAMar 22, 2025Mar 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026