Equipment unit · VIN-decoded · NHTSA vPIC

2020 Great Dane Trailers

1GR4M0329LH162658 · Trailer · TRAILER
Freedom
Carriers run under2
28 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 3, 2023
SC
Last seenDec 18, 2025
SC
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
1GR4M0329LH162658
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
4M032

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
162658

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 · 6 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 6 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 6 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
2020

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 3, 2023 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025SCIII · Driver-only1JEFFERY D BRANTLEY 560401618933T/TN
Mar 21, 2025VAII · Walk-around0MERCER TRANSPORTATION COMPANY INC 154712J3T186/KY
Aug 3, 2023SCIII · Driver-only2MERCER TRANSPORTATION COMPANY INC 154712U976388/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JEFFERY D BRANTLEY560401Dec 18, 2025Dec 18, 20251TN
MERCER TRANSPORTATION COMPANY INC154712Aug 3, 2023Mar 21, 20252KY
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.
618933TTNJEFFERY D BRANTLEYDec 18, 2025Dec 18, 20251
J3T186KYMERCER TRANSPORTATION COMPANY INCMar 21, 2025Mar 21, 20251
U976388TNMERCER TRANSPORTATION COMPANY INCAug 3, 2023Aug 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026