Equipment unit · VIN-decoded · NHTSA vPIC

2009 Freightliner CST120

1FUJBBCK79DAA9587 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections34
all-time
OOS inspections12
of 34
First seenJun 21, 2023
CA
Last seenDec 31, 2025
US
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
1FUJBBCK79DAA9587
Make
Freightliner
Model
CST120
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2009 or 2039

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

North American serial sequence
AA9587

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
2009

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 · Jun 21, 2023 – Dec 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2025USIII · Driver-only0OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Dec 27, 2025USI · Full15OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Dec 15, 2025USI · Full6OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Dec 3, 2025AZI · Full8OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Dec 2, 2025AZI · Full12OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Sep 12, 2025USI · Full4OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Sep 9, 2025USI · Full10OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Sep 8, 2025USIII · Driver-only2OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Aug 30, 2025USIII · Driver-only2OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Aug 26, 2025AZIII · Driver-only2OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Aug 16, 2025USI · Full10OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Aug 13, 2025USI · Full17OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Jul 15, 2025USI · Full19OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
May 30, 2025AZI · Full4OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/MX
May 14, 2025USI · Full12OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
May 7, 2025USI · Full16OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Mar 21, 2025USI · Full14OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Mar 11, 2025USI · Full10OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Feb 25, 2025USI · Full7OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Feb 24, 2025USI · Full6OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Feb 20, 2025USI · Full8OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Feb 18, 2025AZI · Full6OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Feb 14, 2025USI · Full10OMAR CANDELARIO HERNANDEZ BUENO 204952536E1Z/MX
Feb 12, 2025USI · Full5OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Jan 11, 2025USI · Full12OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Jan 6, 2025USI · Full15OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Dec 20, 2024USI · Full18OOSOMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Dec 12, 2024USII · Walk-around6OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Nov 14, 2024AZI · Full9OOSOMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Nov 1, 2024AZI · Full16OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Oct 26, 2024USI · Full10OMAR CANDELARIO HERNANDEZ BUENO 204952536ES1Z/MX
Oct 18, 2024AZI · Full6OMAR CANDELARIO HERNANDEZ BUENO 2049525CSA8YY/AZ
Aug 14, 2023CAII · Walk-around2RUBEN ALONSO CHACON SIQUEIROS 334293334A6CB/AZ
Jun 21, 2023CAII · Walk-around3OOSRUBEN ALONSO CHACON SIQUEIROS 334293334A6CB/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OMAR CANDELARIO HERNANDEZ BUENO2049525Oct 18, 2024Dec 31, 202532SO
RUBEN ALONSO CHACON SIQUEIROS3342933Jun 21, 2023Aug 14, 20232AZ
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.
36ES1ZMXOMAR CANDELARIO HERNANDEZ BUENOOct 26, 2024Dec 31, 202523
CSA8YYAZOMAR CANDELARIO HERNANDEZ BUENOOct 18, 2024Dec 3, 20257
CSA8YYMXOMAR CANDELARIO HERNANDEZ BUENOMay 30, 2025May 30, 20251
36E1ZMXOMAR CANDELARIO HERNANDEZ BUENOFeb 14, 2025Feb 14, 20251
34A6CBAZRUBEN ALONSO CHACON SIQUEIROSJun 21, 2023Aug 14, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026