Equipment unit · VIN-decoded · NHTSA vPIC

2001 Mack RD

1M2P267C51M058333 · Truck · INCOMPLETE VEHICLE
Carriers run under2
20 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJun 12, 2024
PA
Last seenFeb 25, 2026
PA
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
1M2P267C51M058333
Make
Mack
Model
RD
Model year
2001
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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
1M2

Deterministic · VIN positions 1–3.

Vehicle descriptor section
P267C

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2001 or 2031

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

North American serial sequence
058333

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
MACK

Prefix basis · 575 decoded VINs at 100.0% prefix purity.

Model
RD

Prefix basis · 575 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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
RD

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jun 12, 2024 – Feb 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 25, 2026PAII · Walk-around1OOSJOHN DROBNAK 449336ZFM2714/PA
Nov 22, 2024PAII · Walk-around4SYLVESTER'S SERVICES INC 948244ZJG0901/PA
Oct 17, 2024PAII · Walk-around4OOSSYLVESTER'S SERVICES INC 948244ZJG0901/PA
Jun 12, 2024PAII · Walk-around3OOSSYLVESTER'S SERVICES INC 948244ZJG0901/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOHN DROBNAK449336Feb 25, 2026Feb 25, 20261PA
SYLVESTER'S SERVICES INC948244Jun 12, 2024Nov 22, 20243PA
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.
ZFM2714PAJOHN DROBNAKFeb 25, 2026Feb 25, 20261
ZJG0901PASYLVESTER'S SERVICES INCJun 12, 2024Nov 22, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026