Equipment unit · VIN-decoded · NHTSA vPIC

2021 Di-Mond Trailers, Inc.

2DM42DA49MS176105 · Trailer · TRAILER
Carriers run under2
19 mo
Inspections3
all-time
OOS inspections1
of 3
First seenDec 14, 2023
WA
Last seenJul 22, 2025
MI
Inspected under 2 different carriers in 19 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
2DM42DA49MS176105
Make
Di-Mond Trailers, Inc.
Model
Di-Mond Trailers, Inc.
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 1, 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
2DM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
42DA4

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
176105

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
DI-MOND TRAILERS, INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Di-Mond Trailers, Inc.

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 14, 2023 – Jul 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2025MIIII · Driver-only1AGH TRANSPORT INC 3122168Z5373Z/ON
Feb 6, 2025ALII · Walk-around0AGH TRANSPORT INC 3122168Z6651H/ON
Dec 14, 2023WAII · Walk-around2OOSNORTHSTAR TRANSPORT INC 3284847Y7828D/ON
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AGH TRANSPORT INC3122168Feb 6, 2025Jul 22, 20252ON
NORTHSTAR TRANSPORT INC3284847Dec 14, 2023Dec 14, 20231ON
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.
Z5373ZONAGH TRANSPORT INCJul 22, 2025Jul 22, 20251
Z6651HONAGH TRANSPORT INCFeb 6, 2025Feb 6, 20251
Y7828DONNORTHSTAR TRANSPORT INCDec 14, 2023Dec 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026