Equipment unit · VIN-decoded · NHTSA vPIC

1983 Great Dane Trailers

1GRAP0624DT578749 · Trailer · TRAILER
Champion (dry van)
Carriers run under3
8 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 20, 2025
AZ
Last seenSep 28, 2025
AZ
Inspected under 3 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
1GRAP0624DT578749
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1983
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 20, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1983 or 2013

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

North American serial sequence
578749

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
1983

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 · Jan 20, 2025 – Sep 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 28, 2025AZII · Walk-around6OOSS ROVER TRANSPORT INC 36677314WC4159/CA
Apr 11, 2025CAII · Walk-around3OOSCSS TRANSPORT INC 34998714WC4159/CA
Jan 20, 2025AZII · Walk-around1SUNLIGHT TRANSPORTATION AND TRUCKING INC 25880604WC4159/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S ROVER TRANSPORT INC3667731Sep 28, 2025Sep 28, 20251CA
CSS TRANSPORT INC3499871Apr 11, 2025Apr 11, 20251CA
SUNLIGHT TRANSPORTATION AND TRUCKING INC2588060Jan 20, 2025Jan 20, 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.
4WC4159CAS ROVER TRANSPORT INCSep 28, 2025Sep 28, 20251
4WC4159CACSS TRANSPORT INCApr 11, 2025Apr 11, 20251
4WC4159CASUNLIGHT TRANSPORTATION AND TRUCKING INCJan 20, 2025Jan 20, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 20, 2026