Equipment unit · VIN-decoded · NHTSA vPIC

1986 Great Dane Trailers

1GRAA5615GK256315 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
29 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 13, 2023
LA
Last seenMay 12, 2026
US
Inspected under 2 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
1GRAA5615GK256315
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1986
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
AA561

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1986 or 2016

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

North American serial sequence
256315

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 · 462 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 462 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 462 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
1986

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 · Dec 13, 2023 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026USI · Full0SOUTHEASTERN FREIGHT LINES LLC 63419U551361/TN
Apr 10, 2026MSIII · Driver-only0TRANSCO LINES INC 260968U551361/TN
Feb 20, 2024SCIII · Driver-only0SOUTHEASTERN FREIGHT LINES LLC 63419U551361/TN
Dec 13, 2023LAII · Walk-around0SOUTHEASTERN FREIGHT LINES LLC 63419U551361/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHEASTERN FREIGHT LINES LLC63419Dec 13, 2023May 12, 20263SC
TRANSCO LINES INC260968Apr 10, 2026Apr 10, 20261AR
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.
U551361TNSOUTHEASTERN FREIGHT LINES LLCDec 13, 2023May 12, 20263
U551361TNTRANSCO LINES INCApr 10, 2026Apr 10, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026