Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X5JD492281 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections11
all-time
OOS inspections2
of 11
First seenAug 4, 2023
CA
Last seenApr 30, 2026
TX
Inspected under 3 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
1XPBDP9X5JD492281
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 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
5 · valid

Deterministic · position 9; calculated value 5.

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
492281

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
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 · Aug 4, 2023 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026TXII · Walk-around2SHEPHERD ENERGY SERVICES LLC 38278621N96378/TX
Jul 21, 2025TXII · Walk-around3CPR TRUCKS AND EQUIPMENT LLC 33373861P9692X/TX
Dec 10, 2024NMIII · Driver-only0SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Sep 30, 2024NMII · Walk-around0SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Jul 25, 2024SDIII · Driver-only0SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Jun 6, 2024CAIII · Driver-only0SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Apr 24, 2024COIII · Driver-only0SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Feb 15, 2024COIII · Driver-only2SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Nov 29, 2023CAI · Full2OOSSAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Aug 25, 2023SCII · Walk-around1OOSSAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
Aug 4, 2023CAII · Walk-around1SAVAGE PIT TRANSPORTATION LLC 3365148XP80567/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHEPHERD ENERGY SERVICES LLC3827862Apr 30, 2026Apr 30, 20261TX
CPR TRUCKS AND EQUIPMENT LLC3337386Jul 21, 2025Jul 21, 20251TX
SAVAGE PIT TRANSPORTATION LLC3365148Aug 4, 2023Dec 10, 20249CA
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.
1N96378TXSHEPHERD ENERGY SERVICES LLCApr 30, 2026Apr 30, 20261
1P9692XTXCPR TRUCKS AND EQUIPMENT LLCJul 21, 2025Jul 21, 20251
XP80567CASAVAGE PIT TRANSPORTATION LLCAug 4, 2023Dec 10, 20249
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026