Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR1A0623PW502671 · Trailer · TRAILER
Everest (reefer)
Carriers run under5
29 mo
Inspections10
all-time
OOS inspections3
of 10
First seenJun 21, 2023
AZ
Last seenNov 28, 2025
MS
Inspected under 5 different carriers in 29 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
1GR1A0623PW502671
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1993 or 2023

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

North American serial sequence
502671

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
2023

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 · Jun 21, 2023 – Nov 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 28, 2025MSIII · Driver-only0STANFORD TRANSPORTATION INC 27796244UM3372/CA
Jun 9, 2025SDII · Walk-around1OOSSMART HAUL INC 42580964UM3372/CA
Dec 13, 2024LAIII · Driver-only2OOSJASSTAJ CARGO INC 32711254UM3372/CA
Aug 23, 2024CAII · Walk-around1OOSJASSTAJ CARGO INC 32711254UM3372/CA
Jul 22, 2024ARIII · Driver-only1JASSTAJ CARGO INC 32711254UM3372/CA
Dec 28, 2023ARIII · Driver-only0STANFORD TRANSPORTATION INC 27796244UM3372/CA
Nov 27, 2023CAI · Full1STANDARD TRUCKING INC 33961384UM3372/CA
Nov 22, 2023GAIII · Driver-only2STANDARD TRUCKING INC 33961384UM3372/CA
Nov 20, 2023OKIII · Driver-only1STANDARD TRUCKING INC 33961384UM3372/CA
Jun 21, 2023AZIII · Driver-only1STANDFIELD TRUCKING INC 23996044UM3372/CA
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STANFORD TRANSPORTATION INC2779624Dec 28, 2023Nov 28, 20252TN
SMART HAUL INC4258096Jun 9, 2025Jun 9, 20251CA
JASSTAJ CARGO INC3271125Jul 22, 2024Dec 13, 20243CA
STANDARD TRUCKING INC3396138Nov 20, 2023Nov 27, 20233CA
STANDFIELD TRUCKING INC2399604Jun 21, 2023Jun 21, 20231CA
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.
4UM3372CASTANFORD TRANSPORTATION INCDec 28, 2023Nov 28, 20252
4UM3372CASMART HAUL INCJun 9, 2025Jun 9, 20251
4UM3372CAJASSTAJ CARGO INCJul 22, 2024Dec 13, 20243
4UM3372CASTANDARD TRUCKING INCNov 20, 2023Nov 27, 20233
4UM3372CASTANDFIELD TRUCKING INCJun 21, 2023Jun 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026