Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T7 Series

1XKFD48X5BJ284976 · Truck-Tractor · TRUCK
Carriers run under1
36 mo
Inspections17
all-time
OOS inspections3
of 17
First seenJun 12, 2023
NM
Last seenJun 25, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKFD48X5BJ284976
Make
Kenworth
Model
T7 Series
Model year
2011
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FD48X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1981 or 2011

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

North American serial sequence
284976

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
KENWORTH

Prefix basis · 53 decoded VINs at 100.0% prefix purity.

Model
T7 Series

Prefix basis · 53 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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T7 Series

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 · Jun 12, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026NMIII · Driver-only0TOMAS OLIVAS CALDERON 119833348AL4J/MX
Apr 14, 2026NMIII · Driver-only0TOMAS OLIVAS CALDERON 119833348AL4J/MX
Mar 24, 2026USI · Full1TOMAS OLIVAS CALDERON 119833348AL4J/MX
Mar 2, 2026USI · Full4TOMAS OLIVAS CALDERON 119833348AL4J/MX
Feb 11, 2026USI · Full2TOMAS OLIVAS CALDERON 119833348AL4J/MX
Aug 5, 2025USI · Full6OOSTOMAS OLIVAS CALDERON 119833348AL4J/MX
May 7, 2025NMIII · Driver-only0TOMAS OLIVAS CALDERON 119833348AL4J/MX
Apr 15, 2025USI · Full0TOMAS OLIVAS CALDERON 119833348AL4J/MX
Apr 15, 2025USI · Full1TOMAS OLIVAS CALDERON 119833348AL4J/MX
Mar 26, 2025USI · Full2TOMAS OLIVAS CALDERON 119833348AL4J/MX
Mar 19, 2025NMII · Walk-around0TOMAS OLIVAS CALDERON 119833340AL4J/CH
Jun 28, 2024USI · Full4OOSTOMAS OLIVAS CALDERON 119833348AL4J/MX
Sep 5, 2023NMI · Full0TOMAS OLIVAS CALDERON 119833348AL4J/CH
Sep 5, 2023NMI · Full6OOSTOMAS OLIVAS CALDERON 119833348AL4J/CH
Aug 28, 2023NMIII · Driver-only1TOMAS OLIVAS CALDERON 119833348AL4J/MX
Jun 22, 2023NMII · Walk-around0TOMAS OLIVAS CALDERON 119833348AL4J/MX
Jun 12, 2023NMIII · Driver-only0TOMAS OLIVAS CALDERON 119833348AL4J/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOMAS OLIVAS CALDERON1198333Jun 12, 2023Jun 25, 202617CI
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.
48AL4JMX1TOMAS OLIVAS CALDERONJun 12, 2023Jun 25, 202614
40AL4JCHTOMAS OLIVAS CALDERONMar 19, 2025Mar 19, 20251
48AL4JCHTOMAS OLIVAS CALDERONSep 5, 2023Sep 5, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026