Equipment unit · VIN-decoded · NHTSA vPIC

2021 Benson/wabash Aluminium Flatbed

1TTE533A9M3262587 · Trailer · TRAILER
Carriers run under2
27 mo
Inspections11
all-time
OOS inspections4
of 11
First seenNov 13, 2023
CA
Last seenFeb 4, 2026
MN
Inspected under 2 different carriers in 27 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
1TTE533A9M3262587
Make
Benson/wabash
Model
Aluminium Flatbed
Model year
2021
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
1TT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
E533A

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
262587

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 · 110 decoded VINs at 100.0% prefix purity.

Model
Aluminium Flatbed

Prefix basis · 110 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 · Nov 13, 2023 – Feb 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 4, 2026MNI · Full3OOSGEM EXPRESS INC 3277537959920ST/IL
Nov 25, 2025CAII · Walk-around0BOB TRANSPORTATION INC 3123307959920/IL
Feb 18, 2025WYII · Walk-around2OOSBOB TRANSPORTATION INC 3123307952920ST/IL
Aug 23, 2024COI · Full6OOSGEM EXPRESS INC 3277537959920ST/IL
Apr 21, 2024TXII · Walk-around2BOB TRANSPORTATION INC 3123307959920ST/IL
Apr 8, 2024OKIII · Driver-only0BOB TRANSPORTATION INC 3123307959920/IL
Jan 21, 2024CAIII · Driver-only0BOB TRANSPORTATION INC 3123307776665ST/IL
Jan 9, 2024CAI · Full1BOB TRANSPORTATION INC 3123307959920ST/IL
Jan 3, 2024ARIII · Driver-only1BOB TRANSPORTATION INC 3123307776676ST/IL
Dec 14, 2023COIII · Driver-only0BOB TRANSPORTATION INC 3123307776676ST/IL
Nov 13, 2023CAII · Walk-around2OOSBOB TRANSPORTATION INC 3123307776676ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GEM EXPRESS INC3277537Aug 23, 2024Feb 4, 20262IL
BOB TRANSPORTATION INC3123307Nov 13, 2023Nov 25, 20259IL
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.
959920STILGEM EXPRESS INCAug 23, 2024Feb 4, 20262
959920ILBOB TRANSPORTATION INCApr 8, 2024Nov 25, 20252
952920STILBOB TRANSPORTATION INCFeb 18, 2025Feb 18, 20251
959920STILBOB TRANSPORTATION INCJan 9, 2024Apr 21, 20242
776665STILBOB TRANSPORTATION INCJan 21, 2024Jan 21, 20241
776676STILBOB TRANSPORTATION INCNov 13, 2023Jan 3, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026