Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRAP0623JB705301 · Trailer · TRAILER
Champion (dry van)
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 19, 2023
IN
Last seenMay 26, 2026
MD
Inspected under 2 different carriers in 31 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
1GRAP0623JB705301
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
705301

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 · Oct 19, 2023 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026MDI · Full0SIBLEY & SONS CONSTRUCTION INC 3618452921434/ME
Jul 10, 2024NYII · Walk-around0SIBLEY & SONS CONSTRUCTION INC 3618452921434/ME
May 15, 2024PAII · Walk-around1SIBLEY & SONS CONSTRUCTION INC 3618452921434/ME
Oct 19, 2023INII · Walk-around1JM TRUCKING LLC 36161642921434/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIBLEY & SONS CONSTRUCTION INC361845May 15, 2024May 26, 20263ME
JM TRUCKING LLC3616164Oct 19, 2023Oct 19, 20231VT
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.
2921434MESIBLEY & SONS CONSTRUCTION INCMay 15, 2024May 26, 20263
2921434MEJM TRUCKING LLCOct 19, 2023Oct 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026