Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X2MJ439140 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections10
all-time
OOS inspections1
of 10
First seenJul 8, 2023
TN
Last seenMay 4, 2026
TN
Inspected under 2 different carriers in 34 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
1XKYD49X2MJ439140
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 8, 2023 – May 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 4, 2026TNIII · Driver-only1—A M TRUCKING INC 1592354W0770HY/TN
Mar 6, 2026TNIII · Driver-only0—A M TRUCKING INC 1592354W0770HY/TN
Jan 13, 2026PAII · Walk-around7—A M TRUCKING INC 1592354W0770HY/TN
Sep 25, 2025GAIII · Driver-only3OOSA M TRUCKING INC 1592354QXXNMHX/TN
Jan 6, 2025TNI · Full0—BIG G EXPRESS INC 580685L4873HY/TN
Dec 27, 2024NCII · Walk-around0—BIG G EXPRESS INC 580685L4873HY/TN
Dec 24, 2024GAIII · Driver-only0—BIG G EXPRESS INC 580685L4873HY/TN
Dec 16, 2024TNI · Full0—BIG G EXPRESS INC 580685L4873HY/TN
Sep 15, 2023KYI · Full3—BIG G EXPRESS INC 580685L4873HY/TN
Jul 8, 2023TNIII · Driver-only0—BIG G EXPRESS INC 580685L4873HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A M TRUCKING INC1592354Sep 25, 2025May 4, 20264TN
BIG G EXPRESS INC580685Jul 8, 2023Jan 6, 20256TN
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.
W0770HYTN—A M TRUCKING INCJan 13, 2026 → May 4, 20263
QXXNMHXTN—A M TRUCKING INCSep 25, 2025 → Sep 25, 20251
L4873HYTN—BIG G EXPRESS INCJul 8, 2023 → Jan 6, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026