Equipment unit · VIN-decoded · NHTSA vPIC

2008 Peterbilt 386

1XPHD49XX8N755636 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJan 9, 2024
US
Last seenSep 16, 2025
US
Inspected under 2 different carriers in 20 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
1XPHD49XX8N755636
Make
Peterbilt
Model
386
Model year
2008
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
HD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2008 or 2038

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

North American serial sequence
755636

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 · 3,252 decoded VINs at 100.0% prefix purity.

Model
386

Prefix basis · 3,252 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
2008

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
386

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 9, 2024 – Sep 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2025USI · Full13OOSMAURICIO TAFICH RIVA-PALACIO 404045058ER4U/MX
Mar 6, 2025USI · Full5MAURICIO TAFICH RIVA-PALACIO 404045058FR40/MX
Jul 15, 2024USI · Full11OOSMAURICIO TAFICH RIVA-PALACIO 404045058FR4U/MX
May 22, 2024TXI · Full13OOSFERREYRO HAULERS LLC 402151755636/TX
Jan 11, 2024USI · Full11MAURICIO TAFICH RIVA-PALACIO 404045058ER4U/MX
Jan 9, 2024USII · Walk-around5MAURICIO TAFICH RIVA-PALACIO 404045058ER4U/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAURICIO TAFICH RIVA-PALACIO4040450Jan 9, 2024Sep 16, 20255TA
FERREYRO HAULERS LLC4021517May 22, 2024May 22, 20241TX
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.
58ER4UMXMAURICIO TAFICH RIVA-PALACIOJan 9, 2024Sep 16, 20253
58FR40MXMAURICIO TAFICH RIVA-PALACIOMar 6, 2025Mar 6, 20251
58FR4UMXMAURICIO TAFICH RIVA-PALACIOJul 15, 2024Jul 15, 20241
55636TXFERREYRO HAULERS LLCMay 22, 2024May 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026