Equipment unit · VIN-decoded · NHTSA vPIC

2025 Bt Trailers Llc

4B9B6LW20SF154053 · Trailer · TRAILER
Carriers run under1
18 mo
Inspections6
all-time
OOS inspections2
of 6
First seenNov 18, 2024
WY
Last seenMay 13, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4B9B6LW20SF154053
Make
Bt Trailers Llc
Model
BT Trailers LLC
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 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
B6LW2

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1995 or 2025

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

North American serial sequence
154053

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 · 4 decoded VINs at 100.0% prefix purity.

Model
BT Trailers LLC

Prefix basis · 4 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
2025

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 · Nov 18, 2024 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026COIII · Driver-only0LIBERTY ENERGY SERVICES LLC 2189824TA20159/MT
Feb 11, 2026COII · Walk-around0LIBERTY ENERGY SERVICES LLC 2189824TA20159/MT
Sep 18, 2025ARI · Full5LIBERTY ENERGY SERVICES LLC 2189824TA20159/MT
Jun 4, 2025TXII · Walk-around1OOSLIBERTY ENERGY SERVICES LLC 2189824TA20159/MT
May 23, 2025COI · Full0LIBERTY ENERGY SERVICES LLC 2189824TA20159/MT
Nov 18, 2024WYII · Walk-around2OOSLIBERTY ENERGY SERVICES LLC 2189824154053/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LIBERTY ENERGY SERVICES LLC2189824Nov 18, 2024May 13, 20266CO
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.
TA20159MT2LIBERTY ENERGY SERVICES LLCMay 23, 2025May 13, 20265
154053TX2LIBERTY ENERGY SERVICES LLCNov 18, 2024Nov 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026