Equipment unit · VIN-decoded · NHTSA vPIC

2003 Freightliner Columbia

1FUJA6CG13LK55507 · Truck-Tractor · TRUCK
Columbia 120
Carriers run under2
26 mo
Inspections9
all-time
OOS inspections6
of 9
First seenMar 13, 2024
TX
Last seenMay 21, 2026
TX
Inspected under 2 different carriers in 26 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
1FUJA6CG13LK55507
Make
Freightliner
Model
Columbia
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
JA6CG

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2003 or 2033

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

North American serial sequence
K55507

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 · 1,742 decoded VINs at 100.0% prefix purity.

Model
Columbia

Prefix basis · 1,742 decoded VINs at 100.0% prefix purity.

Model line
Columbia 120

Sourced label · prefix basis 1,742 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
2003

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 · Mar 13, 2024 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026TXII · Walk-around2OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Feb 4, 2026TXII · Walk-around0SKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Jan 15, 2026TXI · Full6OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Dec 26, 2025TXII · Walk-around15OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
May 2, 2025TXII · Walk-around0SKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Apr 30, 2025TXII · Walk-around6OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Jan 2, 2025TXII · Walk-around13OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Aug 19, 2024TXII · Walk-around3OOSSKY-LINE PROFESSIONAL TREE SERVICE LLC 41952261M50894/TX
Mar 13, 2024TXII · Walk-around4SILVIANO LOPEZ 28650511M50894/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SKY-LINE PROFESSIONAL TREE SERVICE LLC4195226Aug 19, 2024May 21, 20268TX
SILVIANO LOPEZ2865051Mar 13, 2024Mar 13, 20241TX
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.
1M50894TXSKY-LINE PROFESSIONAL TREE SERVICE LLCAug 19, 2024May 21, 20268
1M50894TXSILVIANO LOPEZMar 13, 2024Mar 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026