Equipment unit · VIN-decoded · NHTSA vPIC

2007 Utility Trailer Manufacturer

1UYFS25397A079404 · Trailer · TRAILER
Axles · 2 axlesBody · FlatLength · 53 ft
Carriers run under4
25 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 8, 2023
AK
Last seenOct 20, 2025
WY
Inspected under 4 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
1UYFS25397A079404
Make
Utility Trailer Manufacturer
Model
Utility Trailer Manufacturer
Model year
2007
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 8, 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
1UY

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FS253

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2007 or 2037

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

North American serial sequence
079404

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
UTILITY TRAILER MANUFACTURER

Prefix basis · 3,515 decoded VINs at 100.0% prefix purity.

Model
Utility Trailer Manufacturer

Prefix basis · 3,515 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
2007

Observed directly for this VIN via NHTSA vPIC.

Observed make
UTILITY TRAILER MANUFACTURER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Utility Trailer Manufacturer

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.

VIN-level rule claims

Rules published for individual VIN positions beyond the prefix — applied with the WMI, prefix, and model-year guards each rule was validated under. Year-scoped rules were checked against model year 2007, established by the federal observation agreeing with a position-10 candidate.

Axle configuration
2 axles

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Body family
Flat

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

Trailer length
53 ft

Manufacturer-published position rule · WMI/prefix/year guards applied by the store.

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 · Sep 8, 2023 – Oct 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2025WYI · Full21982635 ALBERTA LTD 30880581020SL/AK
Apr 30, 2024AKI · Full0TGC TRANSPORTATION LLC 30785931020SL/AK
Jan 26, 2024AKIII · Driver-only1CARLILE TRANSPORTATION SYSTEMS LLC 1903561020SL/AK
Sep 8, 2023AKII · Walk-around3OOSMETCALF TRUCKING LLC 23498391020SL/AK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1982635 ALBERTA LTD3088058Oct 20, 2025Oct 20, 20251AB
TGC TRANSPORTATION LLC3078593Apr 30, 2024Apr 30, 20241AK
CARLILE TRANSPORTATION SYSTEMS LLC190356Jan 26, 2024Jan 26, 20241AK
METCALF TRUCKING LLC2349839Sep 8, 2023Sep 8, 20231AK
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.
1020SLAK1982635 ALBERTA LTDOct 20, 2025Oct 20, 20251
1020SLAKTGC TRANSPORTATION LLCApr 30, 2024Apr 30, 20241
1020SLAK2CARLILE TRANSPORTATION SYSTEMS LLCJan 26, 2024Jan 26, 20241
1020SLAKMETCALF TRUCKING LLCSep 8, 2023Sep 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026