Equipment unit · VIN-decoded · NHTSA vPIC

1997 Great Dane Trailers

1GRDM9028VM013905 · Trailer · TRAILER
Freedom
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections5
of 6
First seenMay 10, 2024
OK
Last seenSep 29, 2026
TX
Inspected under 2 different carriers in 28 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
1GRDM9028VM013905
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1997
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 20, 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
1GR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DM902

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1997 or 2027

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

North American serial sequence
013905

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
GREAT DANE TRAILERS

Prefix basis · 351 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 351 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 351 decoded VINs at 100.0% prefix purity.

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · May 10, 2024 – Sep 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 29, 2026TXII · Walk-around3OOSSPECIALIZED FREIGHT SYSTEMS LLC 413903186T993N/TX
Aug 26, 2026LAI · Full4OOSSPECIALIZED FREIGHT SYSTEMS LLC 413903115N918N/TX
Jul 29, 2026TXII · Walk-around5OOSSPECIALIZED FREIGHT SYSTEMS LLC 413903157R885N/TX
Apr 23, 2026TXII · Walk-around2—SPECIALIZED FREIGHT SYSTEMS LLC 413903133R705N/TX
Nov 25, 2025TXII · Walk-around1OOSSPECIALIZED FREIGHT SYSTEMS LLC 413903147N463N/TX
May 10, 2024OKII · Walk-around5OOSJOHNNY RAY GRAHAM 1055026191B939/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPECIALIZED FREIGHT SYSTEMS LLC4139031Nov 25, 2025Sep 29, 20265TX
JOHNNY RAY GRAHAM1055026May 10, 2024May 10, 20241OK
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.
86T993NTX2SPECIALIZED FREIGHT SYSTEMS LLCSep 29, 2026 → Sep 29, 20261
15N918NTX2SPECIALIZED FREIGHT SYSTEMS LLCAug 26, 2026 → Aug 26, 20261
57R885NTX2SPECIALIZED FREIGHT SYSTEMS LLCJul 29, 2026 → Jul 29, 20261
33R705NTX—SPECIALIZED FREIGHT SYSTEMS LLCApr 23, 2026 → Apr 23, 20261
47N463NTX—SPECIALIZED FREIGHT SYSTEMS LLCNov 25, 2025 → Nov 25, 20251
191B939TX—JOHNNY RAY GRAHAMMay 10, 2024 → May 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 20, 2026