Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X3JD475624 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections9
all-time
OOS inspections1
of 9
First seenSep 6, 2023
TX
Last seenMay 25, 2026
TX
Inspected under 2 different carriers in 32 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
1XPBD49X3JD475624
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 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
475624

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 6, 2023 – May 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 25, 2026TXII · Walk-around0YD TRUCKING LLC 45485081P02478/TX
Apr 6, 2026TXII · Walk-around2YD TRUCKING LLC 454850859P684N/TX
Jan 7, 2026TXI · Full5D CRESPOS TRUCKING LLC 359486845R542N/TX
Jun 3, 2025TXIII · Driver-only1D CRESPOS TRUCKING LLC 359486842S166N/TX
Apr 25, 2025TXII · Walk-around0D CRESPOS TRUCKING LLC 359486814S088N/TX
Apr 18, 2025TXII · Walk-around4D CRESPOS TRUCKING LLC 359486846S074N/TX
Dec 26, 2023TXII · Walk-around4D CRESPOS TRUCKING LLC 359486879U385M/TX
Oct 4, 2023TXII · Walk-around3OOSD CRESPOS TRUCKING LLC 359486853U287M/TX
Sep 6, 2023TXII · Walk-around1D CRESPOS TRUCKING LLC 35948683549Y99/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YD TRUCKING LLC4548508Apr 6, 2026May 25, 20262TX
D CRESPOS TRUCKING LLC3594868Sep 6, 2023Jan 7, 20267TX
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.
1P02478TXYD TRUCKING LLCMay 25, 2026May 25, 20261
59P684NTXYD TRUCKING LLCApr 6, 2026Apr 6, 20261
45R542NTXD CRESPOS TRUCKING LLCJan 7, 2026Jan 7, 20261
42S166NTXD CRESPOS TRUCKING LLCJun 3, 2025Jun 3, 20251
14S088NTXD CRESPOS TRUCKING LLCApr 25, 2025Apr 25, 20251
46S074NTXD CRESPOS TRUCKING LLCApr 18, 2025Apr 18, 20251
79U385MTXD CRESPOS TRUCKING LLCDec 26, 2023Dec 26, 20231
53U287MTXD CRESPOS TRUCKING LLCOct 4, 2023Oct 4, 20231
3549Y99TXD CRESPOS TRUCKING LLCSep 6, 2023Sep 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026