Equipment unit · VIN-decoded · NHTSA vPIC

2011 Great Dane Trailers

1GRAP0629BT557389 · Trailer · TRAILER
Champion (dry van)
Carriers run under3
30 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 21, 2023
AZ
Last seenDec 17, 2025
KS
Inspected under 3 different carriers in 30 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
1GRAP0629BT557389
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 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
AP062

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1981 or 2011

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

North American serial sequence
557389

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
2011

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 21, 2023 – Dec 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 17, 2025KSIII · Driver-only1KOHENOOR TRANS INC 43307184WY7310/CA
Nov 14, 2025KYII · Walk-around2KOHENOOR TRANS INC 43307184WY7310/CA
Oct 25, 2024CAI · Full5OOSSILVER HAUL INC 41425114UP6726/CA
Oct 21, 2024NVIII · Driver-only2SILVER HAUL INC 41425114UP6726/CA
Mar 5, 2024NMII · Walk-around2WAHO LOGISTICS INC 33392754UP6726/CA
Jun 21, 2023AZII · Walk-around2WAHO LOGISTICS INC 33392754UP6726/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KOHENOOR TRANS INC4330718Nov 14, 2025Dec 17, 20252CA
SILVER HAUL INC4142511Oct 21, 2024Oct 25, 20242CA
WAHO LOGISTICS INC3339275Jun 21, 2023Mar 5, 20242CA
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.
4WY7310CAKOHENOOR TRANS INCNov 14, 2025Dec 17, 20252
4UP6726CASILVER HAUL INCOct 21, 2024Oct 25, 20242
4UP6726CAWAHO LOGISTICS INCJun 21, 2023Mar 5, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026