Equipment unit · VIN-decoded · NHTSA vPIC

1983 Great Dane Trailers

1GRAP0624DT573843 · Trailer · TRAILER
Champion (dry van)
Carriers run under3
7 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 26, 2026
AZ
Last seenAug 31, 2026
US
Inspected under 3 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
1GRAP0624DT573843
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1983
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 21, 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
AP062

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1983 or 2013

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

North American serial sequence
573843

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 · 10,816 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 10,816 decoded VINs at 100.0% prefix purity.

Model line
Champion (dry van)

Sourced label · prefix basis 10,816 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
1983

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 · Jan 26, 2026 – Aug 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 31, 2026USIII · Driver-only0GENERAL INSULATION COMPANY 342467U722791/TN
Apr 20, 2026ORIII · Driver-only0UMS LOGISTICS INC 3503166U722791/TN
Jan 26, 2026AZI · Full3STL TRUCKERS LLC 2523551U722791/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GENERAL INSULATION COMPANY342467Aug 31, 2026Aug 31, 20261MA
UMS LOGISTICS INC3503166Apr 20, 2026Apr 20, 20261IL
STL TRUCKERS LLC2523551Jan 26, 2026Jan 26, 20261MO
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.
U722791TN2GENERAL INSULATION COMPANYAug 31, 2026Aug 31, 20261
U722791TNUMS LOGISTICS INCApr 20, 2026Apr 20, 20261
U722791TNSTL TRUCKERS LLCJan 26, 2026Jan 26, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 21, 2026