Equipment unit · VIN-decoded · NHTSA vPIC

2020 Great Dane Trailers

1GR4M9621LH150794 · Trailer · TRAILER
Freedom
Carriers run under2
16 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJun 14, 2024
CA
Last seenOct 9, 2025
TX
Inspected under 2 different carriers in 16 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
1GR4M9621LH150794
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 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
4M962

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
150794

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 · 1,834 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 1,834 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 1,834 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 · Jun 14, 2024 – Oct 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 9, 2025TXII · Walk-around1OOSALABAMA CARRIERS LLC 733138022160T/TN
May 6, 2025ALIII · Driver-only0ALABAMA CARRIERS LLC 733138022160T/TN
Mar 25, 2025USI · Full0ALABAMA CARRIERS LLC 733138022160T/TN
Jan 22, 2025TNI · Full7OOSALABAMA CARRIERS LLC 733138022160T/TN
Jun 14, 2024CAII · Walk-around1OOSTENNESSEE STEEL HAULERS LLC 159317022160T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALABAMA CARRIERS LLC733138Jan 22, 2025Oct 9, 20254TN
TENNESSEE STEEL HAULERS LLC159317Jun 14, 2024Jun 14, 20241TN
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.
022160TTNALABAMA CARRIERS LLCJan 22, 2025Oct 9, 20254
022160TTNTENNESSEE STEEL HAULERS LLCJun 14, 2024Jun 14, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026