Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRAP0623JJ112012 · Trailer · TRAILER
Champion (dry van)
Carriers run under4
23 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMay 28, 2024
CA
Last seenApr 21, 2026
CA
Inspected under 4 different carriers in 23 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
1GRAP0623JJ112012
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1988
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
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
112012

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
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 · May 28, 2024 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026CAIII · Driver-only0RED ROCK TRANSPORTATION INC 24392564WL5123/CA
Feb 23, 2026CAIII · Driver-only3G V H TRANSPORT INC 38077274VF4013/CA
Dec 26, 2024CAII · Walk-around1ALCERRO TRUCKING INC 29750784VF4013/CA
May 28, 2024CAI · Full7JOSGAR TRUCKING INC 27769474VF4013/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RED ROCK TRANSPORTATION INC2439256Apr 21, 2026Apr 21, 20261CA
G V H TRANSPORT INC3807727Feb 23, 2026Feb 23, 20261CA
ALCERRO TRUCKING INC2975078Dec 26, 2024Dec 26, 20241CA
JOSGAR TRUCKING INC2776947May 28, 2024May 28, 20241CA
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.
4WL5123CARED ROCK TRANSPORTATION INCApr 21, 2026Apr 21, 20261
4VF4013CAG V H TRANSPORT INCFeb 23, 2026Feb 23, 20261
4VF4013CAALCERRO TRUCKING INCDec 26, 2024Dec 26, 20241
4VF4013CAJOSGAR TRUCKING INCMay 28, 2024May 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026