Equipment unit · VIN-decoded · NHTSA vPIC

2014 Great Dane Trailers

1GRDM9621EH723017 · Trailer · TRAILER
Freedom
Carriers run under2
35 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 30, 2023
WV
Last seenJul 29, 2026
MI
Inspected under 2 different carriers in 35 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
1GRDM9621EH723017
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
DM962

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1984 or 2014

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

North American serial sequence
723017

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 · 3,507 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 3,507 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 3,507 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.

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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
GREAT DANE TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Great Dane Trailers

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 30, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026MII · Full1Z&B TRANSPORT LLC 4285963875701/WI
Feb 15, 2024TNIII · Driver-only1SENN FREIGHT LINES INC 536920258456A/ME
Nov 15, 2023TXII · Walk-around0SENN FREIGHT LINES INC 536920258456A/ME
Oct 3, 2023PAI · Full0SENN FREIGHT LINES INC 536920258456A/ME
Aug 30, 2023WVII · Walk-around0SENN FREIGHT LINES INC 536920258456A/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
Z&B TRANSPORT LLC4285963Jul 29, 2026Jul 29, 20261MI
SENN FREIGHT LINES INC536920Aug 30, 2023Feb 15, 20244SC
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.
875701WI2Z&B TRANSPORT LLCJul 29, 2026Jul 29, 20261
258456AMESENN FREIGHT LINES INCAug 30, 2023Feb 15, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026