Equipment unit · VIN-decoded · NHTSA vPIC

2006 Freightliner Columbia

1FUJA6CK36LW81143 · Truck-Tractor · TRUCK
Columbia 120
Carriers run under2
30 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 29, 2023
AR
Last seenFeb 25, 2026
AL
Inspected under 2 different carriers in 30 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
1FUJA6CK36LW81143
Make
Freightliner
Model
Columbia
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
Jun 22, 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
JA6CK

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
W81143

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 · 7,803 decoded VINs at 100.0% prefix purity.

Model
Columbia

Prefix basis · 7,803 decoded VINs at 100.0% prefix purity.

Model line
Columbia 120

Sourced label · prefix basis 7,803 decoded VINs at 100.0% prefix purity.

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
Columbia

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 29, 2023 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026ALII · Walk-around4ANTLER TRANSPORT LLC 951978A523313/MS
Aug 29, 2025MSII · Walk-around1OOSANTLER TRANSPORT LLC 951978A523313/MS
Feb 18, 2025ARIII · Driver-only1ANTLER TRANSPORT LLC 951978A523313/MS
Jan 28, 2024ARI · Full3MADARIS TRANSPORTATION LLC 835435A483827/MS
Oct 12, 2023ALII · Walk-around0MADARIS TRANSPORTATION LLC 835435A483827/MS
Aug 29, 2023ARIII · Driver-only1MADARIS TRANSPORTATION LLC 835435A483827/MS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ANTLER TRANSPORT LLC951978Feb 18, 2025Feb 25, 20263SC
MADARIS TRANSPORTATION LLC835435Aug 29, 2023Jan 28, 20243PA
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.
A523313MSANTLER TRANSPORT LLCFeb 18, 2025Feb 25, 20263
A483827MSMADARIS TRANSPORTATION LLCAug 29, 2023Jan 28, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026