Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR1A8020PB509804 · Trailer · TRAILER
Everest (reefer)
Carriers run under1
13 mo
Inspections3
all-time
OOS inspections1
of 3
First seenNov 14, 2024
CT
Last seenDec 15, 2025
CT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GR1A8020PB509804
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
1A802

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
509804

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 · 129 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 129 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 129 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 · Nov 14, 2024 – Dec 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 15, 2025CTIII · Driver-only1NRF DISTRIBUTORS INC 2063415107559/ME
Feb 7, 2025MAIII · Driver-only0NRF DISTRIBUTORS INC 2063415107559/ME
Nov 14, 2024CTII · Walk-around1OOSNRF DISTRIBUTORS INC 2063415107559/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NRF DISTRIBUTORS INC206341Nov 14, 2024Dec 15, 20253ME
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.
5107559MENRF DISTRIBUTORS INCNov 14, 2024Dec 15, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026