Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X6HD415901 · Truck-Tractor · TRUCK
Carriers run under4
23 mo
Inspections5
all-time
OOS inspections2
of 5
First seenDec 13, 2023
TX
Last seenNov 25, 2025
TX
Inspected under 4 different carriers in 23 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
1XPBDP9X6HD415901
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 30, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
415901

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
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 · Dec 13, 2023 – Nov 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 25, 2025TXI · Full0ELKINS TRUCK LINES LLC 2356627R583230/TX
Nov 15, 2024SDII · Walk-around0M C TANK TRANSPORT INC 81405R583230/TX
Jun 14, 2024MSI · Full0QUANTIX LIQUID TRANSPORTATION INC 328103R583230/TX
Apr 21, 2024WYI · Full5OOSQUANTIX LIQUID TRANSPORTATION INC 328103R583230/TX
Dec 13, 2023TXI · Full3OOSGRAMMER LOGISTICS INC 184668R583230/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ELKINS TRUCK LINES LLC2356627Nov 25, 2025Nov 25, 20251TX
M C TANK TRANSPORT INC81405Nov 15, 2024Nov 15, 20241OH
QUANTIX LIQUID TRANSPORTATION INC328103Apr 21, 2024Jun 14, 20242IL
GRAMMER LOGISTICS INC184668Dec 13, 2023Dec 13, 20231IN
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.
R583230TXELKINS TRUCK LINES LLCNov 25, 2025Nov 25, 20251
R583230TX1M C TANK TRANSPORT INCNov 15, 2024Nov 15, 20241
R583230TX1QUANTIX LIQUID TRANSPORTATION INCApr 21, 2024Jun 14, 20242
R583230TX1GRAMMER LOGISTICS INCDec 13, 2023Dec 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026