Equipment unit · VIN-decoded · NHTSA vPIC

1984 Great Dane Trailers

1GRAA0621ET589047 · Trailer · TRAILER
Everest (reefer)
Carriers run under4
26 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 25, 2023
CA
Last seenSep 13, 2025
WA
Inspected under 4 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
1GRAA0621ET589047
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1984
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
AA062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1984 or 2014

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

North American serial sequence
589047

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 · 24,927 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 24,927 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 24,927 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
1984

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 · Jul 25, 2023 – Sep 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 13, 2025WAII · Walk-around1ALWR CV TRUCKING LLC 3126172631231T/TN
Dec 14, 2024ARIII · Driver-only1ZEROMAX MOTORS INC 2913815223971T/TN
Nov 30, 2024ALIII · Driver-only2ACBXPRESS CORP 3189484223971T/TN
Jul 25, 2023CAI · Full3AILO TRANSPORTATION 1922474223971T/TN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALWR CV TRUCKING LLC3126172Sep 13, 2025Sep 13, 20251OH
ZEROMAX MOTORS INC2913815Dec 14, 2024Dec 14, 20241PA
ACBXPRESS CORP3189484Nov 30, 2024Nov 30, 20241OH
AILO TRANSPORTATION1922474Jul 25, 2023Jul 25, 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.
631231TTNALWR CV TRUCKING LLCSep 13, 2025Sep 13, 20251
223971TTNZEROMAX MOTORS INCDec 14, 2024Dec 14, 20241
223971TTNACBXPRESS CORPNov 30, 2024Nov 30, 20241
223971TTNAILO TRANSPORTATIONJul 25, 2023Jul 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026