Equipment unit · VIN-decoded · NHTSA vPIC

1998 Freightliner Long Conv.

1FUPFSZB4WL945952 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections5
all-time
OOS inspections1
of 5
First seenDec 12, 2023
GA
Last seenJul 15, 2026
GA
Inspected under 2 different carriers in 31 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
1FUPFSZB4WL945952
Make
Freightliner
Model
Long Conv.
Model year
1998
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
PFSZB

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1998 or 2028

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

North American serial sequence
945952

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 · 34 decoded VINs at 100.0% prefix purity.

Model
Long Conv.

Prefix basis · 34 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
1998

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Long Conv.

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 · Dec 12, 2023 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026GAIII · Driver-only4SJB TRUCKING LLC 4261838YUT111/GA
Feb 4, 2025GAIII · Driver-only3KYLE D UNDERWOOD 2902720EPM826/GA
Nov 4, 2024GAIII · Driver-only1KYLE D UNDERWOOD 2902720EPM826/GA
Apr 16, 2024GAII · Walk-around3OOSKYLE D UNDERWOOD 2902720EPM826/GA
Dec 12, 2023GAIII · Driver-only0KYLE D UNDERWOOD 2902720EPM826/GA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SJB TRUCKING LLC4261838Jul 15, 2026Jul 15, 20261GA
KYLE D UNDERWOOD2902720Dec 12, 2023Feb 4, 20254GA
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.
YUT111GA1SJB TRUCKING LLCJul 15, 2026Jul 15, 20261
EPM826GAKYLE D UNDERWOODDec 12, 2023Feb 4, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026