Equipment unit · VIN-decoded · NHTSA vPIC

1985 Great Dane Trailers

1GRAP0627FT602531 · Trailer · TRAILER
Champion (dry van)
Carriers run under6
25 mo
Inspections8
all-time
OOS inspections0
of 8
First seenNov 13, 2023
CA
Last seenDec 5, 2025
CA
Inspected under 6 different carriers in 25 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
1GRAP0627FT602531
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1985
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
AP062

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1985 or 2015

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

North American serial sequence
602531

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 · 10,816 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 10,816 decoded VINs at 100.0% prefix purity.

Model line
Champion (dry van)

Sourced label · prefix basis 10,816 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
1985

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 13, 2023 – Dec 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 5, 2025CAII · Walk-around0ROGER S ZAHNISER 27506434WK5323/CA
Jul 14, 2025CAI · Full1PBS TRUCKING INC 24799614WK5323/CA
Feb 26, 2025CAI · Full1RUDY AUSTIN 27205374WK5323/CA
Nov 26, 2024CAII · Walk-around0777 TRUCKING INC 29481374WK5323/CA
Sep 3, 2024CAI · Full0P MADERA TRUCKING 26685254WK5323/CA
Jul 9, 2024CAI · Full0YANDELL TRUCKAWAY INC 30503U515945/TN
Jul 3, 2024CAII · Walk-around1YANDELL TRUCKAWAY INC 30503U515945/TN
Nov 13, 2023CAI · Full0YANDELL TRUCKAWAY INC 30503U515945/TN
03

Carriers this unit has run under

6 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROGER S ZAHNISER2750643Dec 5, 2025Dec 5, 20251CA
PBS TRUCKING INC2479961Jul 14, 2025Jul 14, 20251CA
RUDY AUSTIN2720537Feb 26, 2025Feb 26, 20251CA
777 TRUCKING INC2948137Nov 26, 2024Nov 26, 20241CA
P MADERA TRUCKING2668525Sep 3, 2024Sep 3, 20241CA
YANDELL TRUCKAWAY INC30503Nov 13, 2023Jul 9, 20243CA
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.
4WK5323CAROGER S ZAHNISERDec 5, 2025Dec 5, 20251
4WK5323CAPBS TRUCKING INCJul 14, 2025Jul 14, 20251
4WK5323CARUDY AUSTINFeb 26, 2025Feb 26, 20251
4WK5323CA777 TRUCKING INCNov 26, 2024Nov 26, 20241
4WK5323CAP MADERA TRUCKINGSep 3, 2024Sep 3, 20241
U515945TNYANDELL TRUCKAWAY INCNov 13, 2023Jul 9, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026