Equipment unit · VIN-decoded · NHTSA vPIC

2022 Great Dane Trailers

1GR1A0629NB412171 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
25 mo
Inspections6
all-time
OOS inspections2
of 6
First seenMar 14, 2024
SD
Last seenApr 21, 2026
WI
Inspected under 3 different carriers in 25 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
1GR1A0629NB412171
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
1A062

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1992 or 2022

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

North American serial sequence
412171

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 · 13,972 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 13,972 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 13,972 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
2022

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 · Mar 14, 2024 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026WII · Full11OOSSERROW TRUCKING LLC 40116745301410/ME
Apr 21, 2026WII · Full11OOSSERROW TRUCKING LLC 40116745301410/ME
Jan 13, 2026PAIII · Driver-only0SERROW TRUCKING LLC 40116745301410/ME
Mar 10, 2025KSII · Walk-around3DAYAX EXPRESS LLC 28673435301410/ME
Dec 13, 2024KYII · Walk-around1DAYAX EXPRESS LLC 28673435301410/ME
Mar 14, 2024SDIII · Driver-only0SKYLIMIT TRUCKING LLC 37223635301410/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERROW TRUCKING LLC4011674Jan 13, 2026Apr 21, 20263MN
DAYAX EXPRESS LLC2867343Dec 13, 2024Mar 10, 20252MN
SKYLIMIT TRUCKING LLC3722363Mar 14, 2024Mar 14, 20241NE
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.
5301410ME2SERROW TRUCKING LLCJan 13, 2026Apr 21, 20263
5301410MEDAYAX EXPRESS LLCDec 13, 2024Mar 10, 20252
5301410MESKYLIMIT TRUCKING LLCMar 14, 2024Mar 14, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026