Equipment unit · VIN-decoded · NHTSA vPIC

1999 Freightliner CC Conventional

1FUYSDYB0XLF46523 · Truck-Tractor · TRUCK
Carriers run under1
10 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJul 11, 2024
TX
Last seenMay 20, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1FUYSDYB0XLF46523
Make
Freightliner
Model
CC Conventional
Model year
1999
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
YSDYB

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1999 or 2029

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

North American serial sequence
F46523

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 · 309 decoded VINs at 93.5% prefix purity.

Model
CC Conventional

Prefix basis · 309 decoded VINs at 93.5% 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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
CC Conventional

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 · Jul 11, 2024 – May 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2025TXI · Full11OOSA & S ROCILLO TRUCKING LLC 735315R663170/TX
Mar 13, 2025TXII · Walk-around1A & S ROCILLO TRUCKING LLC 735315R663170/TX
Feb 27, 2025TXII · Walk-around3OOSA & S ROCILLO TRUCKING LLC 735315R663170/TX
Jul 11, 2024TXII · Walk-around2A & S ROCILLO TRUCKING LLC 735315R663170/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A & S ROCILLO TRUCKING LLC735315Jul 11, 2024May 20, 20254TX
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.
R663170TXA & S ROCILLO TRUCKING LLCJul 11, 2024May 20, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026