Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 579

1XPBDP9X9ED225909 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections12
all-time
OOS inspections5
of 12
First seenAug 5, 2023
CA
Last seenSep 8, 2025
CA
Inspected under 2 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
1XPBDP9X9ED225909
Make
Peterbilt
Model
579
Model year
2014
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
225909

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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
2014

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 · Aug 5, 2023 – Sep 8, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 8, 2025CAIII · Driver-only5HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Feb 27, 2025CAII · Walk-around2OOSHAPPY BEAR TRUCKING LLC 1370757R506755/TX
Feb 7, 2025CAIII · Driver-only0HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Dec 20, 2024CAIII · Driver-only0HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Dec 17, 2024CAI · Full1HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Dec 13, 2024CAII · Walk-around0HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Dec 12, 2024CAII · Walk-around4OOSHAPPY BEAR TRUCKING LLC 1370757R506755/TX
Nov 3, 2024CAII · Walk-around0HAPPY BEAR TRUCKING LLC 1370757R506755/TX
Oct 15, 2024CAI · Full5OOSHAPPY BEAR TRUCKING LLC 1370757R506755/TX
Mar 7, 2024CAI · Full4OOSOVER THE ROAD TRANSPORT LLC 3820600R506755/TX
Feb 13, 2024CAI · Full8OOSHAPPY BEAR TRUCKING LLC 1370757R506755/TX
Aug 5, 2023CAIII · Driver-only2HAPPY BEAR TRUCKING LLC 1370757R506755/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAPPY BEAR TRUCKING LLC1370757Aug 5, 2023Sep 8, 202511TX
OVER THE ROAD TRANSPORT LLC3820600Mar 7, 2024Mar 7, 20241CA
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.
R506755TXHAPPY BEAR TRUCKING LLCAug 5, 2023Sep 8, 202511
R506755TXOVER THE ROAD TRANSPORT LLCMar 7, 2024Mar 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026