Equipment unit · VIN-decoded · NHTSA vPIC

2021 Great Dane Trailers

1GR1A9021MB302226 · Trailer · TRAILER
Everest (reefer)
Carriers run under1
21 mo
Inspections5
all-time
OOS inspections1
of 5
First seenAug 17, 2023
WV
Last seenMay 28, 2025
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GR1A9021MB302226
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
1A902

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
302226

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 · 58 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 58 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 58 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 · Aug 17, 2023 – May 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2025TNI · Full1OOSSUPERIOR BATTERY MANUFACTURING CO INC 25552088921T/KY
Feb 24, 2025MDII · Walk-around0SUPERIOR BATTERY MANUFACTURING CO INC 25552088921T/KY
Mar 8, 2024TNII · Walk-around1SUPERIOR BATTERY MANUFACTURING CO INC 25552088921T/KY
Sep 3, 2023TNIII · Driver-only0SUPERIOR BATTERY MANUFACTURING CO INC 25552088921T/KY
Aug 17, 2023WVIII · Driver-only1SUPERIOR BATTERY MANUFACTURING CO INC 25552088921T/KY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPERIOR BATTERY MANUFACTURING CO INC255520Aug 17, 2023May 28, 20255KY
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.
88921TKYSUPERIOR BATTERY MANUFACTURING CO INCAug 17, 2023May 28, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026