Equipment unit · VIN-decoded · NHTSA vPIC

2017 Great Lakes Trailers

1G9CM4733HS139568 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 14, 2023
MN
Last seenJan 20, 2026
MN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1G9CM4733HS139568
Make
Great Lakes Trailers
Model
Great Lakes Trailers
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
1G9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
CM473

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
139568

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 LAKES TRAILERS

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model
Great Lakes Trailers

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
GREAT LAKES TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Great Lakes 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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 14, 2023 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026MNIII · Driver-only1GREG COOK LOGGING INC 7482524304STS/MN
Dec 10, 2025MNIII · Driver-only1GREG COOK LOGGING INC 7482524304STS/MN
Feb 13, 2025MNII · Walk-around3OOSGREG COOK LOGGING INC 7482524304STS/MN
Jan 3, 2024MNIII · Driver-only1GREG COOK LOGGING INC 7482524304STS/MN
Nov 14, 2023MNII · Walk-around2OOSGREG COOK LOGGING INC 7482524304STS/MN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREG COOK LOGGING INC748252Nov 14, 2023Jan 20, 20265MN
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.
4304STSMNGREG COOK LOGGING INCNov 14, 2023Jan 20, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026