Equipment unit · VIN-decoded · NHTSA vPIC

2001 Trailmobile Trailmobile Trailer

1PT01AAH416003473 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections3
of 7
First seenNov 16, 2023
CA
Last seenMay 29, 2026
CA
Inspected under 2 different carriers in 30 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
1PT01AAH416003473
Make
Trailmobile
Model
Trailmobile Trailer
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
01AAH

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2001 or 2031

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

North American serial sequence
003473

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
2001

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 · Nov 16, 2023 – May 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 29, 2026CAI · Full6OOSSIHUATAN TRUCKING LLC 30608674TX4374/CA
Apr 29, 2026CAIII · Driver-only0BLUE STAR ZALDANA LLC 27507354TX4374/CA
Apr 25, 2026CAII · Walk-around2OOSBLUE STAR ZALDANA LLC 27507354TX4374/CA
Jan 2, 2026CAIII · Driver-only0BLUE STAR ZALDANA LLC 27507354TX4374/CA
Nov 15, 2025CAII · Walk-around3OOSBLUE STAR ZALDANA LLC 27507354TX4374/CA
Jun 9, 2025CAIII · Driver-only2SIHUATAN TRUCKING LLC 30608674TX4374/CA
Nov 16, 2023CAIII · Driver-only0SIHUATAN TRUCKING LLC 30608674TX4374/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIHUATAN TRUCKING LLC3060867Nov 16, 2023May 29, 20263CA
BLUE STAR ZALDANA LLC2750735Nov 15, 2025Apr 29, 20264CA
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.
4TX4374CASIHUATAN TRUCKING LLCNov 16, 2023May 29, 20263
4TX4374CABLUE STAR ZALDANA LLCNov 15, 2025Apr 29, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026