Equipment unit · VIN-decoded · NHTSA vPIC

2020 Great Dane Trailers

1GR1A0621LD164788 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
27 mo
Inspections7
all-time
OOS inspections3
of 7
First seenSep 22, 2023
PA
Last seenDec 9, 2025
NY
Inspected under 2 different carriers in 27 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
1GR1A0621LD164788
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 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
1A062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
164788

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 · Sep 22, 2023 – Dec 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 9, 2025NYII · Walk-around2OOSDIEZLER EXPRESS LLC 12466515463732/ME
Nov 6, 2025ARII · Walk-around2OOSDIEZLER EXPRESS LLC 1246651TTQ7037/OH
Jun 17, 2025OHII · Walk-around0DIEZLER EXPRESS LLC 12466515463732/ME
Feb 22, 2025ILIII · Driver-only0DIEZLER EXPRESS LLC 12466515463732/ME
Sep 19, 2024NYII · Walk-around4DIEZLER EXPRESS LLC 1246651TTQ7037/OH
May 20, 2024INIII · Driver-only2DIEZLER EXPRESS LLC 1246651TTQ7037/OH
Sep 22, 2023PAIII · Driver-only3OOSALLIANCE MOTOR CARRIERS INC 1261500TS8990/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIEZLER EXPRESS LLC1246651May 20, 2024Dec 9, 20256OH
ALLIANCE MOTOR CARRIERS INC1261500Sep 22, 2023Sep 22, 20231PA
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.
5463732MEDIEZLER EXPRESS LLCFeb 22, 2025Dec 9, 20253
TTQ7037OHDIEZLER EXPRESS LLCMay 20, 2024Nov 6, 20253
TS8990IDALLIANCE MOTOR CARRIERS INCSep 22, 2023Sep 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026