Equipment unit · VIN-decoded · NHTSA vPIC

2026 Peterbilt 589

1NPEP4EX8TD786490 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under1
10 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 12, 2025
CA
Last seenJul 29, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPEP4EX8TD786490
Make
Peterbilt
Model
589
Model year
2026
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
EP4EX

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1996 or 2026

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

North American serial sequence
786490

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 · 7 decoded VINs at 100.0% prefix purity.

Model
589

Prefix basis · 7 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
2026

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
589

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

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 · Sep 12, 2025 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026COIII · Driver-only1MONARCH HEAVY HAUL CORP 2943108ZP39492/CA
May 17, 2026CAII · Walk-around2OOSMONARCH HEAVY HAUL CORP 2943108ZP39492/CA
Apr 30, 2026CAIII · Driver-only1MONARCH HEAVY HAUL CORP 2943108ZP39492/CA
Sep 12, 2025CAI · Full0MONARCH HEAVY HAUL CORP 2943108ZP39492/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MONARCH HEAVY HAUL CORP2943108Sep 12, 2025Jul 29, 20264CA
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.
ZP39492CA1MONARCH HEAVY HAUL CORPSep 12, 2025Jul 29, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026