DBA: Kb
Knochel Brothers Inc is an active intrastate hazmat carrier based in Phoenix, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 43 | 2 | 0 |
| Tractors | 0 | 2 | 0 |
| Trailers | 4 | 4 | 0 |
| Total Power Units | 55 | ||
Distinct vehicles · 24 mo
vs 55 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 71% | 91% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 74% | 86% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 7 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 16 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 27, 2026 | AZ | STRAIGHT TRUCK | 3 | 1 |
| Jan 9, 2026 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Nov 14, 2025 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Nov 11, 2025 | AZ | STRAIGHT TRUCK | 4 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 0.24 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 8 | 3.92 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state AZ accounts for 100% of activity. Activity outside home state (AZ): 0%.
| 3 |
| Hazardous Materials Compliance | 10 | 2 | 2 |
| Unsafe Driving | 4 | 1 | 0 |
| Nov 4, 2025 |
| AZ |
| STRAIGHT TRUCK |
| 6 |
| 2 |
| Jul 10, 2025 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Mar 18, 2025 | AZ | STRAIGHT TRUCK | 2 | 2 |
| Feb 18, 2025 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Jan 30, 2025 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Jan 7, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 27, 2026 | 17324B1HMBPMC | HM (Bulk Packages) - HM/DG leaking from a bulk package (including associated piping) | Hazardous Materials Compliance | Yes |
| Jan 27, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jan 27, 2026 | 39379 | Defroster/Defogger - Inoperative or defective | Vehicle Maintenance | — |
| Jan 9, 2026 | 172516C6HMPMC | HM (Placarding) - Failure to maintain placard(s) in a condition so that the format legibility color and visibility of the placard will not be substantially red | Hazardous Materials Compliance | — |
| Jan 9, 2026 | 172602CHMER | HM (Emergency Response) - Improper maintenance/accessibility of emergency response information | Hazardous Materials Compliance | — |
| Jan 9, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Nov 11, 2025 | 172202A3HMSPS | HM (Shipping Papers) - Shipper HM shipping paper does not list hazard class or division number as required. | Hazardous Materials Compliance | — |
| Nov 11, 2025 | 172516C6HMPMC | HM (Placarding) - Failure to maintain placard(s) in a condition so that the format legibility color and visibility of the placard will not be substantially red | Hazardous Materials Compliance | — |
| Nov 11, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Nov 11, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |