Equipment unit · VIN-decoded · NHTSA vPIC

2017 Mccullough McCullough Aluminum Trailer

166FS4526HD000630 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections2
all-time
OOS inspections2
of 2
First seenMay 22, 2025
FL
Last seenJun 4, 2026
FL
Inspected under 2 different carriers in 13 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
166FS4526HD000630
Make
Mccullough
Model
McCullough Aluminum Trailer
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
166

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FS452

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
000630

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
MCCULLOUGH

Observed directly for this VIN via NHTSA vPIC.

Observed model
McCullough Aluminum Trailer

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · May 22, 2025 – Jun 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2026FLII · Walk-around6OOSTULA TRANSPORT INC 42536119131CL/FL
May 22, 2025FLII · Walk-around5OOSZ TRANSPORT ENTERPRIZE LLC 40814949131CL/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TULA TRANSPORT INC4253611Jun 4, 2026Jun 4, 20261FL
Z TRANSPORT ENTERPRIZE LLC4081494May 22, 2025May 22, 20251FL
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.
9131CLFLTULA TRANSPORT INCJun 4, 2026Jun 4, 20261
9131CLFLZ TRANSPORT ENTERPRIZE LLCMay 22, 2025May 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026