Equipment unit · VIN-decoded · NHTSA vPIC

2020 Di-Mond Trailers, Inc.

2DM421A43LS171401 · Trailer · TRAILER
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 29, 2024
AR
Last seenMar 11, 2025
MT
Inspected under 2 different carriers in 11 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
2DM421A43LS171401
Make
Di-Mond Trailers, Inc.
Model
Di-Mond Trailers, Inc.
Model year
2020
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
421A4

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
171401

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 · Apr 29, 2024 – Mar 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2025MTII · Walk-around1AMARDEEP TRUCKING INC 3462001S4269H/ON
Jan 8, 2025MIII · Walk-around02043733 ONTARIO INC 2506504S4269H/ON
Apr 29, 2024ARIII · Driver-only12043733 ONTARIO INC 2506504S4269H/ON
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMARDEEP TRUCKING INC3462001Mar 11, 2025Mar 11, 20251ON
2043733 ONTARIO INC2506504Apr 29, 2024Jan 8, 20252ON
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.
S4269HONAMARDEEP TRUCKING INCMar 11, 2025Mar 11, 20251
S4269HON2043733 ONTARIO INCApr 29, 2024Jan 8, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026