Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49XXHD415110 · Truck-Tractor · TRUCK
Carriers run under1
18 mo
Inspections10
all-time
OOS inspections2
of 10
First seenSep 13, 2023
CA
Last seenMar 6, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49XXHD415110
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
415110

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
2017

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 13, 2023 – Mar 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 6, 2025CAII · Walk-around1SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Mar 4, 2025CAI · Full3SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Jan 31, 2025USII · Walk-around0SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Jan 28, 2025USII · Walk-around3OOSSOUTHBAY TRANSPORT INC 1837973YP97081/CA
Nov 14, 2024AZII · Walk-around3SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Jun 7, 2024AZI · Full0SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Mar 19, 2024NMII · Walk-around0SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Feb 14, 2024AZII · Walk-around5SOUTHBAY TRANSPORT INC 1837973YP97081/CA
Jan 22, 2024AZII · Walk-around6OOSSOUTHBAY TRANSPORT INC 1837973YP97081/CA
Sep 13, 2023CAI · Full0SOUTHBAY TRANSPORT INC 1837973YP97081/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHBAY TRANSPORT INC1837973Sep 13, 2023Mar 6, 202510CA
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.
YP97081CASOUTHBAY TRANSPORT INCSep 13, 2023Mar 6, 202510
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026