Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X9RD639020 · Truck-Tractor · TRUCK
Carriers run under3
25 mo
Inspections15
all-time
OOS inspections2
of 15
First seenApr 8, 2024
NM
Last seenMay 30, 2026
NM
Inspected under 3 different carriers in 25 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
1XPBD49X9RD639020
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1994 or 2024

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

North American serial sequence
639020

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
2024

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 · Apr 8, 2024 – May 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 30, 2026NMII · Walk-around1OOSBOB TRANSPORTATION INC 3161580ZP18050/CA
Feb 14, 2026NMI · Full3OOSBOB TRANSPORTATION INC 3161580ZP18050/CA
Jan 12, 2026AZII · Walk-around2VECTOR GLOBAL TRANSPORT INC 4311109ZP18050/CA
Jan 8, 2026NMI · Full2VECTOR GLOBAL TRANSPORT INC 4311109ZP18050/CA
Nov 19, 2025NMII · Walk-around0BOB TRANSPORTATION INC 3161580ZP18050/CA
Sep 11, 2025CAII · Walk-around0BOB TRANSPORTATION INC 3161580ZP18050/CA
Aug 15, 2025NMII · Walk-around0BOB TRANSPORTATION INC 3161580ZP18050/CA
Aug 8, 2025NMI · Full2BOB TRANSPORTATION INC 3161580ZP18050/CA
Jun 6, 2025NMIII · Driver-only0BOB TRANSPORTATION INC 3161580ZP18050/CA
Mar 6, 2025WAII · Walk-around0SUNNY WEST EXPRESS INC 3643524ZP18050/CA
Jan 7, 2025TNI · Full0SUNNY WEST EXPRESS INC 3643524ZP18050/UK
Sep 25, 2024ORII · Walk-around0BOB TRANSPORTATION INC 3161580ZP18050/CA
Sep 20, 2024CAI · Full1SUNNY WEST EXPRESS INC 3643524ZP18050/CA
Apr 24, 2024ORI · Full2BOB TRANSPORTATION INC 3161580ZP18050/CA
Apr 8, 2024NMII · Walk-around0SUNNY WEST EXPRESS INC 3643524ZP18050/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOB TRANSPORTATION INC3161580Apr 24, 2024May 30, 20269CA
VECTOR GLOBAL TRANSPORT INC4311109Jan 8, 2026Jan 12, 20262CA
SUNNY WEST EXPRESS INC3643524Apr 8, 2024Mar 6, 20254TX
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.
ZP18050CABOB TRANSPORTATION INCApr 24, 2024May 30, 20269
ZP18050CAVECTOR GLOBAL TRANSPORT INCJan 8, 2026Jan 12, 20262
ZP18050CASUNNY WEST EXPRESS INCApr 8, 2024Mar 6, 20253
ZP18050UKSUNNY WEST EXPRESS INCJan 7, 2025Jan 7, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026