Equipment unit · VIN-decoded · NHTSA vPIC

2007 Freightliner Columbia

1FUJA6CK77LX73924 · Truck-Tractor · TRUCK
Columbia 120
Carriers run under3
15 mo
Inspections8
all-time
OOS inspections2
of 8
First seenMay 29, 2025
TX
Last seenAug 29, 2026
TX
Inspected under 3 different carriers in 15 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
1FUJA6CK77LX73924
Make
Freightliner
Model
Columbia
Model year
2007
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 5, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2007 or 2037

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

North American serial sequence
X73924

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
2007

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 · May 29, 2025 – Aug 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 29, 2026TXII · Walk-around1DOUBLE S TRUCKING LLC 31755751N21943/TX
Aug 26, 2026TXII · Walk-around4OOSDOUBLE S TRUCKING LLC 31755751N21943/TX
Jul 20, 2026TXII · Walk-around3DOUBLE S TRUCKING LLC 31755751N21943/TX
May 4, 2026TXII · Walk-around6DOUBLE S TRUCKING LLC 31755751N21943/TX
Apr 28, 2026TXII · Walk-around2DOUBLE S TRUCKING LLC 31755751N21943/TX
Nov 6, 2025TXII · Walk-around2ROBERTO CARLOS ESPINOZA CELAYO 384390444ET4L/MX
Jul 17, 2025TXII · Walk-around3OOSRODMAR TRUCKING LLC 40698411N21943/TX
May 29, 2025TXII · Walk-around1RODMAR TRUCKING LLC 40698411N21943/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOUBLE S TRUCKING LLC3175575Apr 28, 2026Aug 29, 20265TX
ROBERTO CARLOS ESPINOZA CELAYO3843904Nov 6, 2025Nov 6, 20251CH
RODMAR TRUCKING LLC4069841May 29, 2025Jul 17, 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.
1N21943TX1DOUBLE S TRUCKING LLCApr 28, 2026Aug 29, 20265
44ET4LMX1ROBERTO CARLOS ESPINOZA CELAYONov 6, 2025Nov 6, 20251
1N21943TXRODMAR TRUCKING LLCMay 29, 2025Jul 17, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026