Equipment unit · VIN-decoded · NHTSA vPIC

2005 Freightliner CST120

1FUJBBCK75LN20377 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJan 27, 2025
IL
Last seenDec 9, 2025
WA
Inspected under 2 different carriers in 11 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
1FUJBBCK75LN20377
Make
Freightliner
Model
CST120
Model year
2005
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
JBBCK

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2005 or 2035

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

North American serial sequence
N20377

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
2005

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 · Jan 27, 2025 – Dec 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 9, 2025WAIII · Driver-only14 LIFE EXPRESS LLC 3594680U9037HY/TN
Apr 23, 2025TNI · Full5OOSTUCKER BOYZ TRANSPORTATION LLC 2003869U9037HY/UK
Mar 25, 2025OKII · Walk-around4OOSTUCKER BOYZ TRANSPORTATION LLC 2003869U9037HY/TN
Jan 27, 2025ILIII · Driver-only2OOSTUCKER BOYZ TRANSPORTATION LLC 2003869H262HZ/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4 LIFE EXPRESS LLC3594680Dec 9, 2025Dec 9, 20251TN
TUCKER BOYZ TRANSPORTATION LLC2003869Jan 27, 2025Apr 23, 20253TN
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.
U9037HYTN4 LIFE EXPRESS LLCDec 9, 2025Dec 9, 20251
U9037HYUKTUCKER BOYZ TRANSPORTATION LLCApr 23, 2025Apr 23, 20251
U9037HYTNTUCKER BOYZ TRANSPORTATION LLCMar 25, 2025Mar 25, 20251
H262HZTNTUCKER BOYZ TRANSPORTATION LLCJan 27, 2025Jan 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026