Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49X3HD412436 · Truck-Tractor · TRUCK
Carriers run under3
39 mo
Inspections9
all-time
OOS inspections4
of 9
First seenJul 3, 2023
CA
Last seenOct 27, 2026
UT
Inspected under 3 different carriers in 39 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
1XPBD49X3HD412436
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 21, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
412436

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.

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 · Jul 3, 2023 – Oct 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 27, 2026UTI · Full6OOSDIRT DASH TRUCKING 38359484CUX8/UT
Aug 22, 2024UTII · Walk-around1OOSSR22 LLC 4150632BI1142/ID
Aug 12, 2024UTI · Full4—SR22 LLC 4150632BI1142/UT
Sep 18, 2023CAIII · Driver-only1—BLUE CHIP EXPRESS INC 2858310YP20791/CA
Sep 7, 2023CAI · Full0—BLUE CHIP EXPRESS INC 2858310YP20791/CA
Aug 22, 2023CAI · Full3OOSBLUE CHIP EXPRESS INC 2858310YP20791/CA
Jul 17, 2023CAI · Full2—BLUE CHIP EXPRESS INC 2858310YP20791/CA
Jul 3, 2023WAII · Walk-around3—BLUE CHIP EXPRESS INC 2858310YP20791/CA
Jul 3, 2023CAIII · Driver-only1OOSBLUE CHIP EXPRESS INC 2858310YP20791/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIRT DASH TRUCKING3835948Oct 27, 2026Oct 27, 20261UT
SR22 LLC4150632Aug 12, 2024Aug 22, 20242ID
BLUE CHIP EXPRESS INC2858310Jul 3, 2023Sep 18, 20236CA
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.
4CUX8UT1DIRT DASH TRUCKINGOct 27, 2026 → Oct 27, 20261
BI1142ID—SR22 LLCAug 22, 2024 → Aug 22, 20241
BI1142UT—SR22 LLCAug 12, 2024 → Aug 12, 20241
YP20791CA—BLUE CHIP EXPRESS INCJul 3, 2023 → Sep 18, 20236
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026