Equipment unit · VIN-decoded · NHTSA vPIC

2DM421A44MS177001

Not yet decoded
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 28, 2025
KY
Last seenFeb 16, 2026
MO
Inspected under 2 different carriers in 6 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
2DM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
421A4

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
177001

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
DI-MOND TRAILERS, INC.

Prefix basis · 103 decoded VINs at 100.0% prefix purity.

Model
Di-Mond Trailers, Inc.

Prefix basis · 103 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.

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 · Aug 28, 2025 – Feb 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 16, 2026MOIII · Driver-only311989138 CANADA INC 43428296WX370/AB
Aug 28, 2025KYIII · Driver-only0AUJLA TRUCK AND TRANSPORT INC 39354546WX370/AB
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
11989138 CANADA INC4342829Feb 16, 2026Feb 16, 20261AB
AUJLA TRUCK AND TRANSPORT INC3935454Aug 28, 2025Aug 28, 20251ON
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.
6WX370AB11989138 CANADA INCFeb 16, 2026Feb 16, 20261
6WX370ABAUJLA TRUCK AND TRANSPORT INCAug 28, 2025Aug 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC