Equipment unit · VIN-decoded · NHTSA vPIC

1998 Freightliner Long Conv.

1FUPCSZB4WL918596 · Truck-Tractor · TRUCK
Carriers run under3
14 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMay 13, 2025
TX
Last seenJul 21, 2026
TX
Inspected under 3 different carriers in 14 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
1FUPCSZB4WL918596
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 31, 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
PCSZB

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
918596

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 · 1,104 decoded VINs at 100.0% prefix purity.

Model
Long Conv.

Prefix basis · 1,104 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 · May 13, 2025 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026TXII · Walk-around1ZARATE AND SONS LOGISTICS & FORWARDING LLC 40673341N78612/TX
Jul 21, 2026TXII · Walk-around1ZARATE AND SONS LOGISTICS & FORWARDING LLC 40673341N78612/TX
Jul 1, 2026TXII · Walk-around8OOS1ST ZARATE AND SONS 6584031N78612/TX
May 13, 2025TXI · Full9OOSJOSE FRANCISCO VELA 2294095R774117/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZARATE AND SONS LOGISTICS & FORWARDING LLC4067334Jul 21, 2026Jul 21, 20262TX
1ST ZARATE AND SONS658403Jul 1, 2026Jul 1, 20261TX
JOSE FRANCISCO VELA2294095May 13, 2025May 13, 20251TX
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.
1N78612TX1ZARATE AND SONS LOGISTICS & FORWARDING LLCJul 21, 2026Jul 21, 20262
1N78612TX11ST ZARATE AND SONSJul 1, 2026Jul 1, 20261
R774117TXJOSE FRANCISCO VELAMay 13, 2025May 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026