Equipment unit · VIN-decoded · NHTSA vPIC

2006 Freightliner CST120

1FUJBBCK46LW97647 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections4
all-time
OOS inspections2
of 4
First seenNov 29, 2024
TX
Last seenJul 27, 2026
TX
Inspected under 2 different carriers in 20 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
1FUJBBCK46LW97647
Make
Freightliner
Model
CST120
Model year
2006
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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
1FU

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JBBCK

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2006 or 2036

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

North American serial sequence
W97647

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
FREIGHTLINER

Prefix basis · 2,912 decoded VINs at 100.0% prefix purity.

Model
CST120

Prefix basis · 2,912 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
2006

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
CST120

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 29, 2024 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026TXII · Walk-around5AREN TRUCKING SERVICES INC 362679963N863N/TX
Jul 16, 2026TXII · Walk-around8OOSAREN TRUCKING SERVICES INC 362679963N863N/TX
Feb 27, 2025TXII · Walk-around2NITRO EXPRESS SERVICES LLC 414322519M995M/TX
Nov 29, 2024TXII · Walk-around5OOSNITRO EXPRESS SERVICES LLC 414322541P859M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AREN TRUCKING SERVICES INC3626799Jul 16, 2026Jul 27, 20262TX
NITRO EXPRESS SERVICES LLC4143225Nov 29, 2024Feb 27, 20252TX
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.
63N863NTX1AREN TRUCKING SERVICES INCJul 16, 2026Jul 27, 20262
19M995MTXNITRO EXPRESS SERVICES LLCFeb 27, 2025Feb 27, 20251
41P859MTXNITRO EXPRESS SERVICES LLCNov 29, 2024Nov 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026