Equipment unit · VIN-decoded · NHTSA vPIC

2025 Great Dane Trailers

1GR4M9021SH700597 · Trailer · TRAILER
Freedom
Carriers run under1
16 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJan 24, 2025
AK
Last seenMay 16, 2026
AK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GR4M9021SH700597
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 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
4M902

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
700597

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 · 82 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 82 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 82 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
2025

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 · Jan 24, 2025 – May 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 16, 2026AKII · Walk-around1SOURDOUGH EXPRESS INC 1251193533CA/AK
Apr 21, 2026AKIII · Driver-only1SOURDOUGH EXPRESS INC 1251193533CA/AK
Mar 11, 2026AKIII · Driver-only1SOURDOUGH EXPRESS INC 1251193533CA/AK
May 17, 2025AKIII · Driver-only0SOURDOUGH EXPRESS INC 1251193533CA/AK
Jan 24, 2025AKI · Full1SOURDOUGH EXPRESS INC 1251193533CA/AK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOURDOUGH EXPRESS INC125119Jan 24, 2025May 16, 20265AK
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.
3533CAAKSOURDOUGH EXPRESS INCJan 24, 2025May 16, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026