Equipment unit · VIN-decoded · NHTSA vPIC

2008 Peterbilt 386

1XPHDB9X18N739183 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections8
all-time
OOS inspections4
of 8
First seenNov 15, 2023
TX
Last seenJul 22, 2026
TX
Inspected under 2 different carriers in 32 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
1XPHDB9X18N739183
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 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
HDB9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
739183

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 · 352 decoded VINs at 100.0% prefix purity.

Model
386

Prefix basis · 352 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 · Nov 15, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026TXII · Walk-around7OOSROCKING MM TRANSPORT LLC 44569801N58977/TX
Apr 17, 2025TXII · Walk-around3MRM TRUCKING LLC 35171851N58977/TX
Mar 21, 2025TXII · Walk-around3MRM TRUCKING LLC 35171851N58977/TX
Dec 21, 2024TXII · Walk-around8MRM TRUCKING LLC 351718515N8977/TX
Jul 22, 2024TXII · Walk-around6OOSMRM TRUCKING LLC 35171852XZ942/TX
Jun 26, 2024TXII · Walk-around3OOSMRM TRUCKING LLC 35171852XZ942/TX
Apr 11, 2024TXII · Walk-around1MRM TRUCKING LLC 35171852XZ942/TX
Nov 15, 2023TXII · Walk-around11OOSMRM TRUCKING LLC 35171852XZ942/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKING MM TRANSPORT LLC4456980Jul 22, 2026Jul 22, 20261TX
MRM TRUCKING LLC3517185Nov 15, 2023Apr 17, 20257TX
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.
1N58977TX1ROCKING MM TRANSPORT LLCJul 22, 2026Jul 22, 20261
1N58977TXMRM TRUCKING LLCMar 21, 2025Apr 17, 20252
15N8977TXMRM TRUCKING LLCDec 21, 2024Dec 21, 20241
2XZ942TXMRM TRUCKING LLCNov 15, 2023Jul 22, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026