Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X7JD480891 · Truck-Tractor · TRUCK
Carriers run under3
21 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 11, 2024
PA
Last seenOct 17, 2025
MD
Inspected under 3 different carriers in 21 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
1XPBD49X7JD480891
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
Aug 16, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
480891

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
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 · Jan 11, 2024 – Oct 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 17, 2025MDII · Walk-around2GRACE MULTI SERVICES LLC 4173743DF04EB/FL
Apr 30, 2025NJII · Walk-around0LAKAY TRANSPORTATION LLC 3617803DF04EB/FL
Apr 17, 2024PAIII · Driver-only4OOSMAKK TRUCK SOLUTIONS CENTER INC 2596175AB76TA/FL
Feb 27, 2024MDIII · Driver-only1MAKK TRUCK SOLUTIONS CENTER INC 2596175AB76TA/FL
Jan 11, 2024PAIII · Driver-only2MAKK TRUCK SOLUTIONS CENTER INC 2596175AB76TA/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRACE MULTI SERVICES LLC4173743Oct 17, 2025Oct 17, 20251FL
LAKAY TRANSPORTATION LLC3617803Apr 30, 2025Apr 30, 20251FL
MAKK TRUCK SOLUTIONS CENTER INC2596175Jan 11, 2024Apr 17, 20243GA
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.
DF04EBFLGRACE MULTI SERVICES LLCOct 17, 2025Oct 17, 20251
DF04EBFLLAKAY TRANSPORTATION LLCApr 30, 2025Apr 30, 20251
AB76TAFL1MAKK TRUCK SOLUTIONS CENTER INCJan 11, 2024Apr 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 16, 2026