Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T8 Series

1NKDL40X4FJ450720 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under3
23 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 5, 2023
MD
Last seenSep 19, 2025
PA
Inspected under 3 different carriers in 23 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
1NKDL40X4FJ450720
Make
Kenworth
Model
T8 Series
Model year
2015
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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DL40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1985 or 2015

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

North American serial sequence
450720

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 · 469 decoded VINs at 92.1% prefix purity.

Model
T8 Series

Prefix basis · 469 decoded VINs at 92.1% prefix purity.

Model line
T800

Sourced label · prefix basis 469 decoded VINs at 92.1% prefix purity.

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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 5, 2023 – Sep 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2025PAIII · Driver-only1R & R TRUCKING & TOWING INC 240085376ED12/MD
Mar 14, 2024MDI · Full1R & R TRUCKING & TOWING INC 240085357ED10/MD
Dec 15, 2023MDIII · Driver-only0MARPLE TRUCKING INC 915484357ED10/MD
Oct 5, 2023MDII · Walk-around0BTC TRUCKING INC 275182357ED10/MD
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R & R TRUCKING & TOWING INC240085Mar 14, 2024Sep 19, 20252MD
MARPLE TRUCKING INC915484Dec 15, 2023Dec 15, 20231MD
BTC TRUCKING INC275182Oct 5, 2023Oct 5, 20231MD
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.
376ED12MDR & R TRUCKING & TOWING INCSep 19, 2025Sep 19, 20251
357ED10MDR & R TRUCKING & TOWING INCMar 14, 2024Mar 14, 20241
357ED10MDMARPLE TRUCKING INCDec 15, 2023Dec 15, 20231
357ED10MDBTC TRUCKING INCOct 5, 2023Oct 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026