Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X8MJ461322 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections10
all-time
OOS inspections3
of 10
First seenNov 15, 2023
CO
Last seenDec 10, 2025
NV
Inspected under 2 different carriers in 25 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
1XKYD49X8MJ461322
Make
Kenworth
Model
T680
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1991 or 2021

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

North American serial sequence
461322

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T680

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 · Nov 15, 2023 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025NVII · Walk-around1REDBIRD EXPRESS INC 3533493ZP71051/CA
Oct 28, 2025NVIII · Driver-only0REDBIRD EXPRESS INC 3533493ZP71024/CA
Mar 23, 2025CAIII · Driver-only0REDBIRD LOGISTICS 4229468ZP45556/CA
Dec 8, 2024UTIII · Driver-only0REDBIRD EXPRESS INC 3533493YP59266/CA
Sep 13, 2024IAIII · Driver-only0REDBIRD EXPRESS INC 3533493YP59266/CA
May 10, 2024CAII · Walk-around3OOSREDBIRD EXPRESS INC 3533493YP59266/CA
Apr 15, 2024CAIII · Driver-only0REDBIRD EXPRESS INC 3533493YP59266/CA
Mar 26, 2024IAI · Full3OOSREDBIRD EXPRESS INC 3533493YP59266/CA
Nov 22, 2023CAIII · Driver-only2OOSREDBIRD EXPRESS INC 3533493YP59266/CA
Nov 15, 2023COII · Walk-around3REDBIRD EXPRESS INC 3533493YP59266/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REDBIRD EXPRESS INC3533493Nov 15, 2023Dec 10, 20259CA
REDBIRD LOGISTICS4229468Mar 23, 2025Mar 23, 20251CA
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.
ZP71051CAREDBIRD EXPRESS INCDec 10, 2025Dec 10, 20251
ZP71024CAREDBIRD EXPRESS INCOct 28, 2025Oct 28, 20251
ZP45556CAREDBIRD LOGISTICSMar 23, 2025Mar 23, 20251
YP59266CAREDBIRD EXPRESS INCNov 15, 2023Dec 8, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026