Equipment unit · VIN-decoded · NHTSA vPIC

2004 Freightliner Columbia

1FUJA6CV84LM53128 · Truck-Tractor · TRUCK
Columbia 120
Carriers run under4
35 mo
Inspections10
all-time
OOS inspections5
of 10
First seenJun 29, 2023
TX
Last seenMay 5, 2026
TX
Inspected under 4 different carriers in 35 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
1FUJA6CV84LM53128
Make
Freightliner
Model
Columbia
Model year
2004
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
JA6CV

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2004 or 2034

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

North American serial sequence
M53128

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 · 769 decoded VINs at 100.0% prefix purity.

Model
Columbia

Prefix basis · 769 decoded VINs at 100.0% prefix purity.

Model line
Columbia 120

Sourced label · prefix basis 769 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
2004

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 · Jun 29, 2023 – May 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 5, 2026TXI · Full20OOSTAMAYO TRANSPORT SERVICES LLC 37018591M61690/TX
Apr 24, 2026TXII · Walk-around12OOSTAMAYO TRANSPORT SERVICES LLC 37018591M61690/TX
Feb 24, 2026TXII · Walk-around14JLSG TRANSPORT LLC 34762931M61690/TX
Oct 30, 2025TXII · Walk-around6OOSJLSG TRANSPORT LLC 34762931M61690/TX
Oct 8, 2025TXII · Walk-around12JLSG TRANSPORT LLC 34762931M61690/TX
Apr 4, 2025TXI · Full19OOSOSIRIS ALEJO 19717541M61690/TX
Mar 18, 2025TXII · Walk-around15OOSOSIRIS ALEJO 19717541M61690/TX
Dec 8, 2023TXIV · Special2JAINIER LEON ALEJO 2976713NONE/TX
Nov 7, 2023TXII · Walk-around7JAINIER LEON ALEJO 2976713NONE/TX
Jun 29, 2023TXIV · Special3JAINIER LEON ALEJO 2976713NONE/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TAMAYO TRANSPORT SERVICES LLC3701859Apr 24, 2026May 5, 20262TX
JLSG TRANSPORT LLC3476293Oct 8, 2025Feb 24, 20263TX
OSIRIS ALEJO1971754Mar 18, 2025Apr 4, 20252TX
JAINIER LEON ALEJO2976713Jun 29, 2023Dec 8, 20233TX
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.
1M61690TXTAMAYO TRANSPORT SERVICES LLCApr 24, 2026May 5, 20262
1M61690TXJLSG TRANSPORT LLCOct 8, 2025Feb 24, 20263
1M61690TXOSIRIS ALEJOMar 18, 2025Apr 4, 20252
NONETXJAINIER LEON ALEJOJun 29, 2023Dec 8, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026