Equipment unit · VIN-decoded · NHTSA vPIC

2024 Di-Mond Trailers, Inc.

2DM42JA42RS211816 · Trailer · TRAILER
Carriers run under3
10 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 19, 2025
WA
Last seenJul 24, 2026
WA
Inspected under 3 different carriers in 10 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
2DM42JA42RS211816
Make
Di-Mond Trailers, Inc.
Model
Di-Mond Trailers, Inc.
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 2, 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
42JA4

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
211816

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 · 326 decoded VINs at 100.0% prefix purity.

Model
Di-Mond Trailers, Inc.

Prefix basis · 326 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
2024

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 19, 2025 – Jul 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2026WAII · Walk-around0ASTROS TRANSPORTER SERVICES LLC 3619455PD63332/IN
Jun 12, 2026KYIII · Driver-only2ULUER TRANSPORTATION INC 4289075PD63332/IN
Sep 19, 2025WAIII · Driver-only0GRCM GROUP INC 4006804PD63332/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASTROS TRANSPORTER SERVICES LLC3619455Jul 24, 2026Jul 24, 20261VA
ULUER TRANSPORTATION INC4289075Jun 12, 2026Jun 12, 20261PA
GRCM GROUP INC4006804Sep 19, 2025Sep 19, 20251NV
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.
PD63332IN2ASTROS TRANSPORTER SERVICES LLCJul 24, 2026Jul 24, 20261
PD63332INULUER TRANSPORTATION INCJun 12, 2026Jun 12, 20261
PD63332INGRCM GROUP INCSep 19, 2025Sep 19, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026