Equipment unit · VIN-decoded · NHTSA vPIC

2DM42JA47RS211729

Not yet decoded
Carriers run under2
23 mo
Inspections2
all-time
OOS inspections1
of 2
First seenFeb 12, 2024
NM
Last seenJan 14, 2026
IA
Inspected under 2 different carriers in 23 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
42JA4

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
211729

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.

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 · Feb 12, 2024 – Jan 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 14, 2026IAII · Walk-around4OOSVIKINGS TRANSPORT LLC 3551083PC92639/IN
Feb 12, 2024NMII · Walk-around1BIRSAN EXPRESS INC 3038469PC92639/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VIKINGS TRANSPORT LLC3551083Jan 14, 2026Jan 14, 20261MN
BIRSAN EXPRESS INC3038469Feb 12, 2024Feb 12, 20241IL
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.
PC92639INVIKINGS TRANSPORT LLCJan 14, 2026Jan 14, 20261
PC92639INBIRSAN EXPRESS INCFeb 12, 2024Feb 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC