Equipment unit · VIN-decoded · NHTSA vPIC

1987 Great Dane Trailers

1GRAA0623HT614759 · Trailer · TRAILER
Everest (reefer)
Carriers run under4
29 mo
Inspections11
all-time
OOS inspections0
of 11
First seenAug 10, 2023
SD
Last seenJan 30, 2026
ME
Inspected under 4 different carriers in 29 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
1GRAA0623HT614759
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1987
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1987 or 2017

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

North American serial sequence
614759

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
1987

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 · Aug 10, 2023 – Jan 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 30, 2026MEIII · Driver-only0M & O TRANSPORT LLC 3071589592415ST/IL
Jul 8, 2025NYII · Walk-around4M & O TRANSPORT LLC 3071589592415ST/IL
Jul 2, 2025MDII · Walk-around0M & O TRANSPORT LLC 3071589592415/IL
Jun 26, 2025NYII · Walk-around0M & O TRANSPORT LLC 3071589592415ST/IL
Apr 8, 2025ILII · Walk-around2CASKA TRANSPORTATION LLC 3597606592415ST/IL
Apr 8, 2025KYI · Full1CASKA TRANSPORTATION LLC 3597606592415/IL
Apr 16, 2024OHIII · Driver-only1I & L TRANSPORTATION INC 3122666592415ST/IL
Nov 9, 2023TNI · Full0FAMS FREIGHT INC 3269751592415ST/IL
Oct 7, 2023SDIII · Driver-only0FAMS FREIGHT INC 3269751592415ST/IL
Sep 28, 2023NMII · Walk-around0FAMS FREIGHT INC 3269751592415ST/IL
Aug 10, 2023SDIII · Driver-only0FAMS FREIGHT INC 3269751592415ST/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M & O TRANSPORT LLC3071589Jun 26, 2025Jan 30, 20264MN
CASKA TRANSPORTATION LLC3597606Apr 8, 2025Apr 8, 20252MN
I & L TRANSPORTATION INC3122666Apr 16, 2024Apr 16, 20241IL
FAMS FREIGHT INC3269751Aug 10, 2023Nov 9, 20234IN
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.
592415STIL2M & O TRANSPORT LLCJun 26, 2025Jan 30, 20263
592415IL2M & O TRANSPORT LLCJul 2, 2025Jul 2, 20251
592415ILCASKA TRANSPORTATION LLCApr 8, 2025Apr 8, 20251
592415STILCASKA TRANSPORTATION LLCApr 8, 2025Apr 8, 20251
592415STILI & L TRANSPORTATION INCApr 16, 2024Apr 16, 20241
592415STILFAMS FREIGHT INCAug 10, 2023Nov 9, 20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026