Equipment unit · VIN-decoded · NHTSA vPIC

2020 Great Dane Trailers

1GR4M0327LH162657 · Trailer · TRAILER
Freedom
Carriers run under2
32 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 26, 2023
CA
Last seenMay 13, 2026
VA
Inspected under 2 different carriers in 32 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
1GR4M0327LH162657
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2020
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
4M032

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
162657

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 · Sep 26, 2023 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026VAI · Full1HTT SERVICE INC 1066994879789/WI
Apr 5, 2024WAII · Walk-around2OOSMERCER TRANSPORTATION COMPANY INC 154712U976387/TN
Nov 20, 2023MOII · Walk-around0MERCER TRANSPORTATION COMPANY INC 154712U976387/IN
Sep 26, 2023CAI · Full1OOSMERCER TRANSPORTATION COMPANY INC 154712U976387/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HTT SERVICE INC1066994May 13, 2026May 13, 20261WI
MERCER TRANSPORTATION COMPANY INC154712Sep 26, 2023Apr 5, 20243KY
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.
879789WIHTT SERVICE INCMay 13, 2026May 13, 20261
U976387TNMERCER TRANSPORTATION COMPANY INCSep 26, 2023Apr 5, 20242
U976387INMERCER TRANSPORTATION COMPANY INCNov 20, 2023Nov 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026