Equipment unit · VIN-decoded · NHTSA vPIC

2016 Blacksmith Trailers

4B9B4D329GX103104 · Trailer · TRAILER
Carriers run under4
31 mo
Inspections6
all-time
OOS inspections2
of 6
First seenSep 6, 2023
TX
Last seenApr 3, 2026
TX
Inspected under 4 different carriers in 31 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
4B9B4D329GX103104
Make
Blacksmith Trailers
Model
Blacksmith Trailers
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
B4D32

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1986 or 2016

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

North American serial sequence
103104

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
BLACKSMITH TRAILERS

Prefix basis · 26 decoded VINs at 100.0% prefix purity.

Model
Blacksmith Trailers

Prefix basis · 26 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
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
BLACKSMITH TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Blacksmith 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 · Sep 6, 2023 – Apr 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 3, 2026TXI · Full4ROCKS OFF LLC 4499044140C482/TX
Sep 12, 2025TXII · Walk-around11OOS281 TRANSPORT SOLUTIONS LLC 4341107140C482/TX
Jul 18, 2024TXII · Walk-around2KLB TRANSPORT LLC 3802514140C482/TX
Jul 3, 2024TXII · Walk-around2OOSKLB TRANSPORT LLC 3802514140C482/TX
Jun 12, 2024TXII · Walk-around5KLB TRANSPORT LLC 3802514140C482/TX
Sep 6, 2023TXII · Walk-around2JM MATERIALS INC 772441140C482/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKS OFF LLC4499044Apr 3, 2026Apr 3, 20261TX
281 TRANSPORT SOLUTIONS LLC4341107Sep 12, 2025Sep 12, 20251TX
KLB TRANSPORT LLC3802514Jun 12, 2024Jul 18, 20243TX
JM MATERIALS INC772441Sep 6, 2023Sep 6, 20231TX
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.
140C482TXROCKS OFF LLCApr 3, 2026Apr 3, 20261
140C482TX281 TRANSPORT SOLUTIONS LLCSep 12, 2025Sep 12, 20251
140C482TXKLB TRANSPORT LLCJun 12, 2024Jul 18, 20243
140C482TXJM MATERIALS INCSep 6, 2023Sep 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026