Equipment unit · VIN-decoded · NHTSA vPIC

2005 Construction Trailer Specialists

1C934322X5S770780 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 19, 2023
TX
Last seenFeb 3, 2026
TX
Inspected under 2 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
1C934322X5S770780
Make
Construction Trailer Specialists
Model
CONSTRUCTION TRAILER SPECIALISTS
Model year
2005
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
1C9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
34322

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2005 or 2035

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

North American serial sequence
770780

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
CONSTRUCTION TRAILER SPECIALISTS

Prefix basis · 130 decoded VINs at 100.0% prefix purity.

Model
CONSTRUCTION TRAILER SPECIALISTS

Prefix basis · 130 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
2005

Observed directly for this VIN via NHTSA vPIC.

Observed make
CONSTRUCTION TRAILER SPECIALISTS

Observed directly for this VIN via NHTSA vPIC.

Observed model
CONSTRUCTION TRAILER SPECIALISTS

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 · Sep 19, 2023 – Feb 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 3, 2026TXI · Full7ALTAMIRANO TRUCKING LLC 3049811253B257/TX
Sep 19, 2023TXII · Walk-around4OOSMCMAHON CONTRACTING LP 1864380221B243/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALTAMIRANO TRUCKING LLC3049811Feb 3, 2026Feb 3, 20261TX
MCMAHON CONTRACTING LP1864380Sep 19, 2023Sep 19, 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.
253B257TXALTAMIRANO TRUCKING LLCFeb 3, 2026Feb 3, 20261
221B243TXMCMAHON CONTRACTING LPSep 19, 2023Sep 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026