Equipment unit · VIN-decoded · NHTSA vPIC

2000 Freightliner CC Conventional

1FUYSDYB9YLG66340 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections1
of 3
First seenOct 2, 2024
TN
Last seenSep 3, 2025
AR
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
1FUYSDYB9YLG66340
Make
Freightliner
Model
CC Conventional
Model year
2000
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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
YSDYB

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2000 or 2030

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

North American serial sequence
G66340

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
2000

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 · Oct 2, 2024 – Sep 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 3, 2025ARIII · Driver-only1BIG S EXPRESS LLC 3611743S8518HY/TN
Aug 31, 2025ILIII · Driver-only1OOSBIG S EXPRESS LLC 3611743S8518HY/TN
Oct 2, 2024TNIII · Driver-only0DIAMOND TRUCKING LLC 3274910S8518HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG S EXPRESS LLC3611743Aug 31, 2025Sep 3, 20252TN
DIAMOND TRUCKING LLC3274910Oct 2, 2024Oct 2, 20241TN
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.
S8518HYTNBIG S EXPRESS LLCAug 31, 2025Sep 3, 20252
S8518HYTNDIAMOND TRUCKING LLCOct 2, 2024Oct 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026