Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR1P0620PJ437631 · Trailer · TRAILER
Champion (dry van)
Carriers run under4
34 mo
Inspections8
all-time
OOS inspections1
of 8
First seenOct 17, 2023
IL
Last seenAug 18, 2026
CO
Inspected under 4 different carriers in 34 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
1GR1P0620PJ437631
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 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
1P062

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1993 or 2023

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

North American serial sequence
437631

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 · 13,050 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 13,050 decoded VINs at 100.0% prefix purity.

Model line
Champion (dry van)

Sourced label · prefix basis 13,050 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
2023

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 · Oct 17, 2023 – Aug 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 18, 2026COI · Full3OOSCASPIAN EXPRESS INC 3476404255927T/TN
Oct 7, 2025CAIII · Driver-only2SEVEN O SEVEN TRANSPORTATION LLC 3566257255927T/TN
Oct 17, 2024TNII · Walk-around3JRD TRANSPORTATION INC 2514289255927T/UK
Aug 23, 2024CAII · Walk-around0JRD TRANSPORTATION INC 2514289255927T/TN
Feb 1, 2024CAII · Walk-around0ZERO MAX INC 2979800255927T/TN
Jan 9, 2024MSII · Walk-around0ZERO MAX INC 2979800255927T/TN
Oct 29, 2023CAII · Walk-around1ZERO MAX INC 2979800255927T/TN
Oct 17, 2023ILII · Walk-around1ZERO MAX INC 2979800255927T/TN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASPIAN EXPRESS INC3476404Aug 18, 2026Aug 18, 20261IL
SEVEN O SEVEN TRANSPORTATION LLC3566257Oct 7, 2025Oct 7, 20251CO
JRD TRANSPORTATION INC2514289Aug 23, 2024Oct 17, 20242OH
ZERO MAX INC2979800Oct 17, 2023Feb 1, 20244IL
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.
255927TTN2CASPIAN EXPRESS INCAug 18, 2026Aug 18, 20261
255927TTNSEVEN O SEVEN TRANSPORTATION LLCOct 7, 2025Oct 7, 20251
255927TUKJRD TRANSPORTATION INCOct 17, 2024Oct 17, 20241
255927TTNJRD TRANSPORTATION INCAug 23, 2024Aug 23, 20241
255927TTNZERO MAX INCOct 17, 2023Feb 1, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026