Equipment unit · VIN-decoded · NHTSA vPIC

1998 Freightliner Long Conv.

1FUYDZYB3WP725506 · Truck-Tractor · TRUCK
Carriers run under2
19 mo
Inspections13
all-time
OOS inspections6
of 13
First seenJan 29, 2024
TX
Last seenAug 26, 2025
US
Inspected under 2 different carriers in 19 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
1FUYDZYB3WP725506
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
Jun 16, 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
YDZYB

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
725506

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 29, 2024 – Aug 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2025USI · Full10OOSPEDRO ESPINO DIAZ 2937836493ST6/MX
Feb 26, 2025TXI · Full10OOSPEDRO ESPINO DIAZ 2937836493ST6/MX
Jan 30, 2025TXI · Full17PEDRO ESPINO DIAZ 2937836493ST6/MX
Dec 30, 2024TXII · Walk-around5PEDRO ESPINO DIAZ 2937836493ST6/MX
Dec 19, 2024USII · Walk-around7PEDRO ESPINO DIAZ 2937836493ST6/MX
Sep 17, 2024TXI · Full10OOSPEDRO ESPINO DIAZ 2937836493ST6/MX
Sep 4, 2024TXIII · Driver-only4PEDRO ESPINO DIAZ 2937836493ST6/MX
Jul 16, 2024TXII · Walk-around14OOSPEDRO ESPINO DIAZ 2937836493ST6/MX
Jun 1, 2024TXII · Walk-around0PEDRO ESPINO DIAZ 2937836493ST6/TA
Mar 11, 2024TXII · Walk-around5OOSMIGUEL ANGEL VAZQUEZ MELENDEZ 393445619ER8P/MX
Feb 10, 2024TXII · Walk-around11PEDRO ESPINO DIAZ 2937836493ST6/MX
Feb 1, 2024TXII · Walk-around8OOSPEDRO ESPINO DIAZ 2937836493ST6/MX
Jan 29, 2024TXII · Walk-around8PEDRO ESPINO DIAZ 2937836493ST6/TA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PEDRO ESPINO DIAZ2937836Jan 29, 2024Aug 26, 202512TA
MIGUEL ANGEL VAZQUEZ MELENDEZ3934456Mar 11, 2024Mar 11, 20241TA
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.
493ST6MXPEDRO ESPINO DIAZFeb 1, 2024Aug 26, 202510
493ST6TAPEDRO ESPINO DIAZJan 29, 2024Jun 1, 20242
19ER8PMXMIGUEL ANGEL VAZQUEZ MELENDEZMar 11, 2024Mar 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026