Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRDM7427JH733570 · Trailer · TRAILER
Freedom
Carriers run under2
7 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 20, 2024
MT
Last seenFeb 28, 2025
MT
Inspected under 2 different carriers in 7 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
1GRDM7427JH733570
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1988
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 22, 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
DM742

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1988 or 2018

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

North American serial sequence
733570

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 · 8 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 8 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 8 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
1988

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 · Jul 20, 2024 – Feb 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 28, 2025MTII · Walk-around1307 TRUCKING LLC 3957799275391C/MT
Jul 20, 2024MTII · Walk-around2JRT LLC 4135093275391C/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
307 TRUCKING LLC3957799Feb 28, 2025Feb 28, 20251WY
JRT LLC4135093Jul 20, 2024Jul 20, 20241MT
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.
275391CMT307 TRUCKING LLCFeb 28, 2025Feb 28, 20251
275391CMEJRT LLCJul 20, 2024Jul 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 22, 2026