Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRAA0623JW105047 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
29 mo
Inspections11
all-time
OOS inspections2
of 11
First seenJun 29, 2023
AR
Last seenNov 17, 2025
TX
Inspected under 3 different carriers in 29 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
1GRAA0623JW105047
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1988
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
AA062

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
105047

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 · 24,927 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 24,927 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 24,927 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 · Jun 29, 2023 – Nov 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 17, 2025TXII · Walk-around2ROBERT ULLOM 1167299BX5185/OK
Aug 19, 2025CAIII · Driver-only0BIRRING TRANSPORT INC 2633615BX5185/OK
Feb 27, 2025CAI · Full4OOSBIRRING TRANSPORT INC 2633615BX5185/OK
Oct 2, 2024ARIII · Driver-only0BIRRING TRANSPORT INC 2633615BX5185/OK
Sep 29, 2024TNI · Full1OOSBIRRING TRANSPORT INC 2633615BX5185/UK
Sep 19, 2024CAI · Full2BIRRING TRANSPORT INC 2633615BX5185/OK
Aug 29, 2024CAIII · Driver-only1BIRRING TRANSPORT INC 2633615BX5185/OK
Aug 16, 2024AZI · Full7BIRRING TRANSPORT INC 2633615BX5185/OK
Mar 20, 2024TXI · Full2SWARAJ TRANSPORT INC 3010193BX5185/OK
Jul 13, 2023ARIII · Driver-only2BIRRING TRANSPORT INC 2633615BX5185/OK
Jun 29, 2023ARIII · Driver-only1SWARAJ TRANSPORT INC 3010193BX5185/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERT ULLOM1167299Nov 17, 2025Nov 17, 20251KS
BIRRING TRANSPORT INC2633615Jul 13, 2023Aug 19, 20258VA
SWARAJ TRANSPORT INC3010193Jun 29, 2023Mar 20, 20242VA
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.
BX5185OKROBERT ULLOMNov 17, 2025Nov 17, 20251
BX5185OKBIRRING TRANSPORT INCJul 13, 2023Aug 19, 20257
BX5185UKBIRRING TRANSPORT INCSep 29, 2024Sep 29, 20241
BX5185OKSWARAJ TRANSPORT INCJun 29, 2023Mar 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026