Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 579

1XPBD49X4ED228599 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections9
all-time
OOS inspections1
of 9
First seenNov 15, 2023
NM
Last seenApr 29, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X4ED228599
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 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
4 · valid

Deterministic · position 9; calculated value 4.

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
228599

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
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 · Nov 15, 2023 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026CAI · Full0SPEEDY BUTTE LLC 601571AN1759/ID
Dec 3, 2025WAIII · Driver-only0SPEEDY BUTTE LLC 601571AN1759/ID
Nov 4, 2025WAII · Walk-around0SPEEDY BUTTE LLC 601571AN1759/ID
Sep 3, 2025WAIII · Driver-only2SPEEDY BUTTE LLC 601571AN1759/ID
Aug 26, 2025WAII · Walk-around3SPEEDY BUTTE LLC 601571AN1759/ID
Apr 14, 2024SDIII · Driver-only0SPEEDY BUTTE LLC 601571AL9602/ID
Jan 22, 2024SDII · Walk-around3SPEEDY BUTTE LLC 601571AL9602/ID
Dec 1, 2023MTIII · Driver-only0SPEEDY BUTTE LLC 601571AL9602/ID
Nov 15, 2023NMI · Full10OOSSPEEDY BUTTE LLC 601571AL9602/ID
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEEDY BUTTE LLC601571Nov 15, 2023Apr 29, 20269ID
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.
AN1759IDSPEEDY BUTTE LLCAug 26, 2025Apr 29, 20265
AL9602IDSPEEDY BUTTE LLCNov 15, 2023Apr 14, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026