Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X1JD473337 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections8
all-time
OOS inspections5
of 8
First seenSep 9, 2023
AL
Last seenMar 24, 2026
TX
Inspected under 2 different carriers in 30 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
1XPBD49X1JD473337
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
473337

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

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 · Sep 9, 2023 – Mar 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 24, 2026TXII · Walk-around20OOSOSVALDO TRANSPORTATION LLC 39010081P06412/TX
Dec 17, 2025TXII · Walk-around9OOSOSVALDO TRANSPORTATION LLC 3901008R791863/TX
Oct 20, 2025TXII · Walk-around2OSVALDO TRANSPORTATION LLC 3901008R791863/TX
Aug 27, 2025TXII · Walk-around3OSVALDO TRANSPORTATION LLC 3901008R791863/TX
Aug 19, 2025TXII · Walk-around6OOSOSVALDO TRANSPORTATION LLC 3901008R791863/TX
Apr 18, 2025TXII · Walk-around8OOSOSVALDO TRANSPORTATION LLC 39010087485J59/TX
Sep 4, 2024ARIII · Driver-only1TRYTIME TRANSPORT LLC 1994664P1241538/IL
Sep 9, 2023ALI · Full4OOSTRYTIME TRANSPORT LLC 1994664TEMP/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OSVALDO TRANSPORTATION LLC3901008Apr 18, 2025Mar 24, 20266TX
TRYTIME TRANSPORT LLC1994664Sep 9, 2023Sep 4, 20242OH
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.
1P06412TXOSVALDO TRANSPORTATION LLCMar 24, 2026Mar 24, 20261
R791863TXOSVALDO TRANSPORTATION LLCAug 19, 2025Dec 17, 20254
7485J59TXOSVALDO TRANSPORTATION LLCApr 18, 2025Apr 18, 20251
P1241538ILTRYTIME TRANSPORT LLCSep 4, 2024Sep 4, 20241
TEMPILTRYTIME TRANSPORT LLCSep 9, 2023Sep 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026