Equipment unit · VIN-decoded · NHTSA vPIC

4B9BKLT32MH054696

Not yet decoded
Carriers run under2
2 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 21, 2025
TX
Last seenMar 5, 2025
TX
Inspected under 2 different carriers in 2 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
BKLT3

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1991 or 2021

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

North American serial sequence
054696

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
BRAZOS

Prefix basis · 16 decoded VINs at 100.0% prefix purity.

Model
Brazos

Prefix basis · 16 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.

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 · Jan 21, 2025 – Mar 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 5, 2025TXII · Walk-around7OOSDIAMOND G SITE GRADING LLC 3738635190C882/TX
Jan 21, 2025TXII · Walk-around0ROCKSTAR EQUIPMENT HAULING LLC 3618899190C882/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND G SITE GRADING LLC3738635Mar 5, 2025Mar 5, 20251TX
ROCKSTAR EQUIPMENT HAULING LLC3618899Jan 21, 2025Jan 21, 20251TX
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.
190C882TXDIAMOND G SITE GRADING LLCMar 5, 2025Mar 5, 20251
190C882TXROCKSTAR EQUIPMENT HAULING LLCJan 21, 2025Jan 21, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC