Equipment unit · VIN-decoded · NHTSA vPIC

2006 Construction Trailer Specialists

1C91140216S770631 · Trailer · TRAILER
Carriers run under2
20 mo
Inspections6
all-time
OOS inspections3
of 6
First seenNov 15, 2023
TX
Last seenJul 31, 2025
TX
Inspected under 2 different carriers in 20 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
1C91140216S770631
Make
Construction Trailer Specialists
Model
CONSTRUCTION TRAILER SPECIALISTS
Model year
2006
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2006 or 2036

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

North American serial sequence
770631

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
2006

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 · Nov 15, 2023 – Jul 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2025TXII · Walk-around6OOSWACO AB TRANSPORT LLC 4186633168C333/TX
Sep 18, 2024TXII · Walk-around9OOSWACO AB TRANSPORT LLC 4186633168C333/TX
Aug 21, 2024TXII · Walk-around2WACO AB TRANSPORT LLC 4186633168C333/TX
Jun 11, 2024TXII · Walk-around1WACO AB TRANSPORT LLC 4186633168C333/TX
Feb 22, 2024TXII · Walk-around4WACO AB TRANSPORT LLC 418663312S454M/TX
Nov 15, 2023TXII · Walk-around8OOSWACO AB TRUCKING LLC 3996425168C333/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WACO AB TRANSPORT LLC4186633Feb 22, 2024Jul 31, 20255TX
WACO AB TRUCKING LLC3996425Nov 15, 2023Nov 15, 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.
168C333TXWACO AB TRANSPORT LLCJun 11, 2024Jul 31, 20254
12S454MTXWACO AB TRANSPORT LLCFeb 22, 2024Feb 22, 20241
168C333TXWACO AB TRUCKING LLCNov 15, 2023Nov 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026