Equipment unit · VIN-decoded · NHTSA vPIC

2021 Benson/wabash Aluminium Flatbed

1TTE532A4M3221155 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 25, 2024
LA
Last seenAug 5, 2026
SD
Inspected under 3 different carriers in 25 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
1TTE532A4M3221155
Make
Benson/wabash
Model
Aluminium Flatbed
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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
1TT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
E532A

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1991 or 2021

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

North American serial sequence
221155

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
BENSON/WABASH

Prefix basis · 895 decoded VINs at 100.0% prefix purity.

Model
Aluminium Flatbed

Prefix basis · 895 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
BENSON/WABASH

Observed directly for this VIN via NHTSA vPIC.

Observed model
Aluminium Flatbed

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 · Jul 25, 2024 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026SDIII · Driver-only0C MCNARY TRUCKING LLC 4356345959289ST/IL
Oct 31, 2025CAII · Walk-around1CPG LOGISTICS INC 3782269762445ST/IL
Oct 28, 2025COIII · Driver-only0CPG LOGISTICS INC 3782269762445ST/IL
Sep 1, 2025IAIII · Driver-only1CPG LOGISTICS INC 3782269762445ST/IL
Jul 25, 2024LAIII · Driver-only2C1 TRANSPORTATION INC 2890110762445ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C MCNARY TRUCKING LLC4356345Aug 5, 2026Aug 5, 20261IL
CPG LOGISTICS INC3782269Sep 1, 2025Oct 31, 20253IL
C1 TRANSPORTATION INC2890110Jul 25, 2024Jul 25, 20241IL
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.
959289STIL2C MCNARY TRUCKING LLCAug 5, 2026Aug 5, 20261
762445STILCPG LOGISTICS INCSep 1, 2025Oct 31, 20253
762445STILC1 TRANSPORTATION INCJul 25, 2024Jul 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026