Equipment unit · VIN-decoded · NHTSA vPIC

1989 Great Dane Trailers

1GRAA0622KK139408 · Trailer · TRAILER
Everest (reefer)
Carriers run under5
8 mo
Inspections6
all-time
OOS inspections2
of 6
First seenNov 2, 2025
AZ
Last seenJul 22, 2026
AZ
Inspected under 5 different carriers in 8 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
1GRAA0622KK139408
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1989
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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1989 or 2019

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

North American serial sequence
139408

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
1989

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 2, 2025 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026AZII · Walk-around1OOSUMATRIX TRANSPORTATION INC 40665514RV8336/CA
Jul 15, 2026AZII · Walk-around1OOSYA TRUCKING INC 41890264RV8336/CA
Jun 23, 2026CAIII · Driver-only1UMATRIX TRANSPORTATION INC 40665514RV8336/CA
Jun 13, 2026KSII · Walk-around2SUMMER TRANSPORTATION INC 43557524RV8336/CA
Jun 3, 2026ILIII · Driver-only1QQ SERVER INC 45301504RV8336/CA
Nov 2, 2025AZII · Walk-around3YAN TRUCKING INC 27863484RV8336/CA
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UMATRIX TRANSPORTATION INC4066551Jun 23, 2026Jul 22, 20262CA
YA TRUCKING INC4189026Jul 15, 2026Jul 15, 20261IN
SUMMER TRANSPORTATION INC4355752Jun 13, 2026Jun 13, 20261CA
QQ SERVER INC4530150Jun 3, 2026Jun 3, 20261TX
YAN TRUCKING INC2786348Nov 2, 2025Nov 2, 20251CA
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.
4RV8336CA2UMATRIX TRANSPORTATION INCJun 23, 2026Jul 22, 20262
4RV8336CA2YA TRUCKING INCJul 15, 2026Jul 15, 20261
4RV8336CA2SUMMER TRANSPORTATION INCJun 13, 2026Jun 13, 20261
4RV8336CAQQ SERVER INCJun 3, 2026Jun 3, 20261
4RV8336CAYAN TRUCKING INCNov 2, 2025Nov 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026