Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 379

1XP5DB9X0YN510366 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 15, 2024
MA
Last seenJun 15, 2026
RI
Inspected under 2 different carriers in 29 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
1XP5DB9X0YN510366
Make
Peterbilt
Model
379
Model year
2000
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2000 or 2030

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
510366

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
2000

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

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 15, 2024 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026RIIII · Driver-only1TJ'S HEAVY HAULING & EQUIPMENT LLC 45733011AK56G/MA
Jan 22, 2026NHII · Walk-around3OOSTJS HEAVY HAULING LLC 136779812345/MA
May 12, 2025MAIII · Driver-only0TJS HEAVY HAULING LLC 136779812345/MA
May 21, 2024MAIII · Driver-only1TJS HEAVY HAULING LLC 136779812345/MA
Jan 15, 2024MAIII · Driver-only1TJS HEAVY HAULING LLC 13677981234/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TJ'S HEAVY HAULING & EQUIPMENT LLC4573301Jun 15, 2026Jun 15, 20261MA
TJS HEAVY HAULING LLC1367798Jan 15, 2024Jan 22, 20264MA
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.
1AK56GMA1TJ'S HEAVY HAULING & EQUIPMENT LLCJun 15, 2026Jun 15, 20261
12345MATJS HEAVY HAULING LLCMay 21, 2024Jan 22, 20263
1234MATJS HEAVY HAULING LLCJan 15, 2024Jan 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026