Equipment unit · VIN-decoded · NHTSA vPIC

2020 Di-Mond Trailers, Inc.

2DM421A44LS171424 · Trailer · TRAILER
Carriers run under2
10 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 3, 2024
UT
Last seenJul 29, 2025
VT
Inspected under 2 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
2DM421A44LS171424
Make
Di-Mond Trailers, Inc.
Model
Di-Mond Trailers, Inc.
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 12, 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
421A4

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1990 or 2020

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

North American serial sequence
171424

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.

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
2020

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 3, 2024 – Jul 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2025VTI · Full1R E M TRANSPORT LTD 227651TSF601/NB
Jan 20, 2025MEII · Walk-around1QUALITY TRANSPORTATION SERVICES N B LTD 772395TSF601/NB
Sep 16, 2024MEII · Walk-around0QUALITY TRANSPORTATION SERVICES N B LTD 772395TSF601/NB
Sep 3, 2024UTIII · Driver-only0QUALITY TRANSPORTATION SERVICES N B LTD 772395TSF601/NB
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R E M TRANSPORT LTD227651Jul 29, 2025Jul 29, 20251NB
QUALITY TRANSPORTATION SERVICES N B LTD772395Sep 3, 2024Jan 20, 20253NB
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.
TSF601NBR E M TRANSPORT LTDJul 29, 2025Jul 29, 20251
TSF601NBQUALITY TRANSPORTATION SERVICES N B LTDSep 3, 2024Jan 20, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026