Equipment unit · VIN-decoded · NHTSA vPIC

2020 Great Dane Trailers

1GR1A0628LW175226 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
26 mo
Inspections4
all-time
OOS inspections1
of 4
First seenOct 24, 2023
AR
Last seenDec 5, 2025
AR
Inspected under 2 different carriers in 26 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
1GR1A0628LW175226
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2020
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
1A062

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1990 or 2020

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

North American serial sequence
175226

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
2020

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 24, 2023 – Dec 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 5, 2025ARIII · Driver-only01 STEP TRANSPORT INC 35756844XB2552/CA
Sep 1, 2025UTIII · Driver-only0STANFORD TRANSPORTATION INC 27796244WJ8649/CA
Jul 29, 2024CAV · Vehicle-only0STANFORD TRANSPORTATION INC 27796244SY2977/CA
Oct 24, 2023ARIII · Driver-only1OOSSTANFORD TRANSPORTATION INC 27796244SY2977/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1 STEP TRANSPORT INC3575684Dec 5, 2025Dec 5, 20251CA
STANFORD TRANSPORTATION INC2779624Oct 24, 2023Sep 1, 20253TN
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.
4XB2552CA1 STEP TRANSPORT INCDec 5, 2025Dec 5, 20251
4WJ8649CASTANFORD TRANSPORTATION INCSep 1, 2025Sep 1, 20251
4SY2977CASTANFORD TRANSPORTATION INCOct 24, 2023Jul 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026