Equipment unit · VIN-decoded · NHTSA vPIC

2026 Peterbilt 589

1XPEP4EX2TD789830 · Truck-Tractor · TRUCK
Carriers run under1
10 mo
Inspections21
all-time
OOS inspections1
of 21
First seenJul 8, 2025
NY
Last seenMay 11, 2026
NY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPEP4EX2TD789830
Make
Peterbilt
Model
589
Model year
2026
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
EP4EX

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
789830

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 · 113 decoded VINs at 100.0% prefix purity.

Model
589

Prefix basis · 113 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
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 · Jul 8, 2025 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
May 4, 2026NYI · Full2SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Apr 17, 2026NYI · Full2SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Apr 8, 2026NYI · Full3SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Mar 31, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Mar 24, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Mar 16, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Feb 13, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Dec 12, 2025AZIII · Driver-only0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Oct 9, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 27668451993PF/NY
Sep 29, 2025MOII · Walk-around1OOSSOUTHERN TIER EXPRESS INC 27668451993PF/NY
Sep 18, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684TEMP/PA
Sep 12, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684784257/PA
Sep 8, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684TEMP/PA
Aug 27, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684784257/PA
Aug 21, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684784257/PA
Aug 15, 2025MOII · Walk-around0SOUTHERN TIER EXPRESS INC 276684784257/PA
Aug 7, 2025NYI · Full3SOUTHERN TIER EXPRESS INC 276684767677/PA
Jul 29, 2025NYI · Full0SOUTHERN TIER EXPRESS INC 276684767677/PA
Jul 17, 2025NYI · Full1SOUTHERN TIER EXPRESS INC 276684767677/PA
Jul 8, 2025NYI · Full1SOUTHERN TIER EXPRESS INC 276684767677/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN TIER EXPRESS INC276684Jul 8, 2025May 11, 202621NY
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.
51993PFNYSOUTHERN TIER EXPRESS INCSep 29, 2025May 11, 202611
TEMPPASOUTHERN TIER EXPRESS INCSep 8, 2025Sep 18, 20252
784257PASOUTHERN TIER EXPRESS INCAug 15, 2025Sep 12, 20254
767677PASOUTHERN TIER EXPRESS INCJul 8, 2025Aug 7, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026