Equipment unit · VIN-decoded · NHTSA vPIC

1XP4D49X2DD201957

Not yet decoded
Carriers run under2
15 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 22, 2025
TX
Last seenJul 4, 2026
TX
Inspected under 2 different carriers in 15 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4D49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1983 or 2013

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

North American serial sequence
201957

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
PETERBILT

Prefix basis · 936 decoded VINs at 100.0% prefix purity.

Model
587

Prefix basis · 936 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.

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 · Apr 22, 2025 – Jul 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 4, 2026TXII · Walk-around0WEST TEXAS WOLF SERVICES LLC 427860910U828N/TX
Apr 22, 2025TXI · Full10OOSGALAVIZ TRUCKING LLC 37704121N74920/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEST TEXAS WOLF SERVICES LLC4278609Jul 4, 2026Jul 4, 20261TX
GALAVIZ TRUCKING LLC3770412Apr 22, 2025Apr 22, 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.
10U828NTX1WEST TEXAS WOLF SERVICES LLCJul 4, 2026Jul 4, 20261
1N74920TXGALAVIZ TRUCKING LLCApr 22, 2025Apr 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC