Equipment unit · VIN-decoded · NHTSA vPIC

2021 Great Dane Trailers

1GR1A9627MB224137 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
5 mo
Inspections3
all-time
OOS inspections0
of 3
First seenNov 25, 2025
IL
Last seenApr 1, 2026
MI
Inspected under 3 different carriers in 5 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
1GR1A9627MB224137
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
1A962

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
224137

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 · 808 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 808 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 808 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
2021

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 · Nov 25, 2025 – Apr 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2026MIIII · Driver-only0SADIA ENTERPRISES INC 1903626751361ST/IL
Dec 23, 2025INIII · Driver-only1H&H TRANSIT INC 1360465751361ST/IL
Nov 25, 2025ILIII · Driver-only0SISBRO INC 264334751361ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SADIA ENTERPRISES INC1903626Apr 1, 2026Apr 1, 20261MI
H&H TRANSIT INC1360465Dec 23, 2025Dec 23, 20251IL
SISBRO INC264334Nov 25, 2025Nov 25, 20251IL
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.
751361STILSADIA ENTERPRISES INCApr 1, 2026Apr 1, 20261
751361STILH&H TRANSIT INCDec 23, 2025Dec 23, 20251
751361STILSISBRO INCNov 25, 2025Nov 25, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026