Equipment unit · VIN-decoded · NHTSA vPIC

2004 Construction Trailer Specialists

1C91140244S770393 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections15
all-time
OOS inspections7
of 15
First seenOct 28, 2024
TX
Last seenJul 29, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1C91140244S770393
Make
Construction Trailer Specialists
Model
CONSTRUCTION TRAILER SPECIALISTS
Model year
2004
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
11402

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2004 or 2034

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

North American serial sequence
770393

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 · 202 decoded VINs at 100.0% prefix purity.

Model
CONSTRUCTION TRAILER SPECIALISTS

Prefix basis · 202 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
2004

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 · Oct 28, 2024 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXII · Walk-around3OOSJAP TRANSPORT LLC 4296510184B443/TX
Jul 1, 2026TXII · Walk-around1JAP TRANSPORT LLC 4296510184B443/TX
Jun 10, 2026TXII · Walk-around5OOSJAP TRANSPORT LLC 4296510184B443/TX
Apr 9, 2026TXII · Walk-around14OOSJAP TRANSPORT LLC 4296510184B443/TX
Mar 1, 2026TXII · Walk-around0JAP TRANSPORT LLC 4296510230C097/TX
Feb 16, 2026TXII · Walk-around2JAP TRANSPORT LLC 4296510230C097/TX
Feb 4, 2026TXIII · Driver-only3JAP TRANSPORT LLC 4296510230C097/TX
Jan 22, 2026TXII · Walk-around12OOSJAP TRANSPORT LLC 4296510230C097/TX
Aug 29, 2025TXII · Walk-around12OOSJAP TRANSPORT LLC 4296510230C097/TX
Aug 22, 2025TXIII · Driver-only0JAP TRANSPORT LLC 4296510230C097/TX
Aug 20, 2025TXII · Walk-around4JAP TRANSPORT LLC 4296510230C097/TX
Jun 19, 2025TXII · Walk-around5JAP TRANSPORT LLC 4296510230C097/TX
May 7, 2025TXII · Walk-around5OOSJAP TRANSPORT LLC 4296510230C097/TX
Mar 7, 2025TXII · Walk-around7JAP TRANSPORT LLC 4296510230C097/TX
Oct 28, 2024TXII · Walk-around6OOSJAP TRANSPORT LLC 4296510230C097/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAP TRANSPORT LLC4296510Oct 28, 2024Jul 29, 202615TX
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.
184B443TX2JAP TRANSPORT LLCApr 9, 2026Jul 29, 20264
230C097TXJAP TRANSPORT LLCOct 28, 2024Mar 1, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026