Manufacturer platform statistics

KENWORTH truck models

VIN-resolved KENWORTH model coverage, observed fleets, level-scoped roadside OOS outcomes and the BASIC categories most often recorded on attributable inspections.

Interpretation guardrail

These roadside results reflect operators' maintenance and duty cycle as much as the vehicle. They are not evidence of a manufacturer defect. OOS rates and failure frequencies are normalized per inspection, never presented as a raw count pretending to be a rate.

Violation detail is as of Jun 16, 2026; it is not current. A missing platform or cab label means “not established,” never “no.”

Observed platform footprint

Unit volume covers resolved inspection records; fleet totals deduplicate USDOT operators at this manufacturer grain.

Inspected unit records983,000
983,000 power · 0 trailer
Distinct attributed trucks318,524
Exactly one resolvable power unit
Observed fleets105,716
Distinct inspection USDOTs
Reported trucks2,511,904
104,981 fleets with established truck_units

Reported trucks sum FMCSA truck_units across distinct observed fleets after the existing plausibility clamp. It is fleet context, not a count of this manufacturer's vehicles, and it never uses power_units or MCS-150 mileage.

Level-scoped OOS outcomes

966,211 inspections had exactly one resolvable power unit and form the attribution population.

Vehicle OOS rate21.6%
vs 22.26% national · 130,720 of 606,565 level 1/2/5/6 inspections
Driver OOS rate4.0%
vs 6.67% national · 38,055 of 956,926 level 1/2/3/6 inspections

Top BASIC failure categories

Attributable vehicle violations grouped only through the Jun 16, 2026 CFR-section reference; frequencies are per 100 attributed inspections.

Vehicle Maintenance
77.7 / 100
Unsafe Driving
14.1 / 100
HOS Compliance
0.6 / 100
Driver Fitness
0.0 / 100
HM Compliance
0.0 / 100

Vehicle Maintenance: 750,381 violations; 161,172 marked OOS.

Unsafe Driving: 136,121 violations; 8,366 marked OOS.

HOS Compliance: 5,333 violations; 105 marked OOS.

Driver Fitness: 306 violations; 121 marked OOS.

HM Compliance: 160 violations; 1 marked OOS.

Models

Model rollups are ranked by VIN-resolved inspected unit volume.

KENWORTH

T680

Power
538,943
Inspected records
44,312
Observed fleets

KENWORTH

T880

Power
162,441
Inspected records
21,486
Observed fleets

KENWORTH

W9 Series

Power
67,409
Inspected records
15,371
Observed fleets

KENWORTH

T6 Series

Power
62,795
Inspected records
14,176
Observed fleets

KENWORTH

T8 Series

Power
58,332
Inspected records
15,220
Observed fleets

KENWORTH

T3 Series

Power
56,673
Inspected records
10,490
Observed fleets

KENWORTH

T300

Power
6,060
Inspected records
2,584
Observed fleets

KENWORTH

T280

Power
5,915
Inspected records
1,410
Observed fleets

KENWORTH

T800

Power
4,699
Inspected records
1,845
Observed fleets

KENWORTH

T7 Series

Power
4,691
Inspected records
1,454
Observed fleets

KENWORTH

T4 Series

Power
4,421
Inspected records
1,092
Observed fleets

KENWORTH

W900

Power
4,200
Inspected records
1,844
Observed fleets

KENWORTH

T600

Power
1,969
Inspected records
479
Observed fleets

KENWORTH

T2 Series

Power
1,719
Inspected records
654
Observed fleets

KENWORTH

T2000

Power
980
Inspected records
326
Observed fleets

KENWORTH

T480

Power
509
Inspected records
85
Observed fleets

KENWORTH

C500

Power
367
Inspected records
29
Observed fleets

KENWORTH

548CH

Power
213
Inspected records
61
Observed fleets

KENWORTH

K 100E

Power
160
Inspected records
93
Observed fleets

KENWORTH

W990

Power
118
Inspected records
18
Observed fleets

KENWORTH

Other Off-Highway

Power
99
Inspected records
36
Observed fleets

KENWORTH

KW45/KW55

Power
91
Inspected records
5
Observed fleets

KENWORTH

L770

Power
65
Inspected records
34
Observed fleets

KENWORTH

T400

Power
43
Inspected records
16
Observed fleets

KENWORTH

T180

Power
39
Inspected records
11
Observed fleets

KENWORTH

C5 Series

Power
35
Inspected records
9
Observed fleets

KENWORTH

T450

Power
14
Inspected records
5
Observed fleets