Equipment unit · VIN-decoded · NHTSA vPIC

2018 Bt Trailers Llc

4B9B6FR23JF154088 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections7
all-time
OOS inspections1
of 7
First seenSep 19, 2023
CA
Last seenFeb 10, 2026
CA
Inspected under 2 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
4B9B6FR23JF154088
Make
Bt Trailers Llc
Model
BT Trailers LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 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
4B9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
B6FR2

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

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

North American serial sequence
154088

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
BT TRAILERS LLC

Prefix basis · 10 decoded VINs at 100.0% prefix purity.

Model
BT Trailers LLC

Prefix basis · 10 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
BT TRAILERS LLC

Observed directly for this VIN via NHTSA vPIC.

Observed model
BT Trailers LLC

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 · Sep 19, 2023 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026CAI · Full0WOLF LOGISTICS LLC 2888236BG3043/OK
Jul 31, 2025CAI · Full1WOLF LOGISTICS LLC 2888236BG3043/OK
Apr 22, 2025CAI · Full0WOLF LOGISTICS LLC 2888236BG3043/OK
Oct 15, 2024CAIII · Driver-only0WOLF LOGISTICS LLC 2888236BG3043/OK
Jul 25, 2024NVII · Walk-around1OOSWOLF LOGISTICS LLC 2888236BG3043/OK
Sep 26, 2023CAIII · Driver-only0J B HUNT TRANSPORT INC 80806BG3043/OK
Sep 19, 2023CAIII · Driver-only0J B HUNT TRANSPORT INC 80806BG3043/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WOLF LOGISTICS LLC2888236Jul 25, 2024Feb 10, 20265PA
J B HUNT TRANSPORT INC80806Sep 19, 2023Sep 26, 20232AR
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.
BG3043OKWOLF LOGISTICS LLCJul 25, 2024Feb 10, 20265
BG3043OKJ B HUNT TRANSPORT INCSep 19, 2023Sep 26, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026