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USDOT 1246064KNOWLES TRUCKING LLC
Inspection record
High out-of-service rateActive
40% of inspections ended in an out-of-service order.
This describes the roadside inspection record, not an official safety rating. FMCSA issues Satisfactory, Conditional and Unsatisfactory ratings through a separate compliance review, and most carriers have never been rated.
Inspection summary
| Inspections on file | 50 |
|---|---|
| Clean, no violations | 13 |
| Ended out of service | 20 |
| Out-of-service rate | 40.0% |
| Most recent | 2026-10-16 |
Showing the 50 most recent inspections held for this carrier. FMCSA keeps a rolling window, so this is a recent record rather than a lifetime one.
Recent inspections
| Date | State | Level | Violations | Service |
|---|---|---|---|---|
| 2026-10-16 | OK | Walk-around | 8 | In service |
| 2026-10-16 | TX | Walk-around | 5 | In service |
| 2026-10-12 | TX | Walk-around | 1 | Out of service |
| 2026-10-08 | TX | Walk-around | 2 | Out of service |
| 2026-10-08 | TX | Walk-around | 0 | In service |
| 2026-10-06 | TX | Walk-around | 3 | Out of service |
| 2026-10-01 | TX | Walk-around | 8 | Out of service |
| 2026-09-22 | TX | Walk-around | 8 | Out of service |
| 2026-09-21 | TX | Walk-around | 1 | In service |
| 2026-09-21 | TX | Walk-around | 3 | Out of service |
| 2026-09-20 | TX | Walk-around | 3 | Out of service |
| 2026-09-19 | TX | Walk-around | 2 | Out of service |
| 2026-09-16 | TX | Walk-around | 0 | In service |
| 2026-09-14 | TX | Walk-around | 3 | Out of service |
| 2026-09-10 | TX | Walk-around | 5 | In service |
| 2026-09-03 | TX | Walk-around | 11 | Out of service |
| 2026-09-03 | TX | Walk-around | 1 | In service |
| 2026-08-27 | TX | Walk-around | 0 | In service |
| 2026-08-27 | TX | Walk-around | 1 | In service |
| 2026-08-27 | TX | Walk-around | 2 | In service |
| 2026-08-26 | OK | Walk-around | 2 | Out of service |
| 2026-08-25 | TX | Walk-around | 8 | Out of service |
| 2026-08-19 | TX | Walk-around | 3 | In service |
| 2026-08-17 | TX | Walk-around | 7 | In service |
| 2026-08-16 | TX | Walk-around | 1 | In service |
Violations found
Every violation recorded across the most recent inspections. An out-of-service violation means the vehicle or driver was ordered off the road at the roadside.
| Code | Violation | Service |
|---|---|---|
| 393.95A1I | Emergency Equipment (HM) - No 10 B:C (or more) fire extinguisher for quantities of hazardous materials that requires placarding. | In service |
| 393.43D-B | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | In service |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | In service |
| 396.5B-L | Lubrication - Oil or grease leak | In service |
| 391.11B2-Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) in accordance with the current corresponding FMCSA enforcement guidance (391. | Out of service |
| 393.201A-FRSC | Frame - Cracked siderail web around the radius into the bottom flange | Out of service |
| 393.207A-STBW | Suspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Out of service |
| 393.45B2-BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | In service |
| 393.75A4-PBME | Tires - Has a cut to the extent that the ply or belt material is exposed. | In service |
| 393.75A4-PBME | Tires - Has a cut to the extent that the ply or belt material is exposed. | In service |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | In service |
| 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | In service |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | In service |
| 393.201A-FRCLS | Frame - Cracked/loose/sagging/broken frame or chassis | In service |
| 393.207A-STBW | Suspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Out of service |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | In service |
| 393.78A-WS | Washers - Inoperative washing system. | In service |
| 393.9A-LBL | Lighting - Backup lamp inoperative | In service |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | In service |
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | In service |
| 392.9A2-C | Cargo - Vehicle components or dunnage not secured | Out of service |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | In service |
| 393.9A-LBL | Lighting - Backup lamp inoperative | In service |
| 172.203C1-HMSPS | HM (Shipping Papers) - Shipper HM shipping paper does not list hazardous substance as required. | Out of service |
| 393.95A1I | Emergency Equipment (HM) - No 10 B:C (or more) fire extinguisher for quantities of hazardous materials that requires placarding. | In service |
| 177.834J2-HMBP | HM (Bulk Packages) - Operate a motor vehicle with the internal valve in the open position | Out of service |
| 393.55C1-B | Air Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. | In service |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | In service |
| 393.75A2-TAOTLM | Tires - All others, 75% of the tread width is loose/missing in excess of 12 inches of circumference | Out of service |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Out of service |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Out of service |
| 396.5-HL | Hubs - Leaking hub | In service |
| 392.9A2-C | Cargo - Vehicle components or dunnage not secured | Out of service |
| 393.207A-SAPPCBLM | Suspension - Axle positioning part cracked/broken/loose/missing. | Out of service |
| 393.45D-B | Air Brake - Audible air leak at a proper connection | In service |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | In service |
| 393.78A-WS | Washers - Inoperative washing system. | In service |
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | In service |
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | In service |
| 396.5B-L | Lubrication - Oil or grease leak | In service |
| 172.201D-HMSPS | HM (Shipping Papers) - Shipper HM shipping paper does not list emergency response telephone number as required | In service |
| 172.202A7-HMSPS | HM (Shipping Papers) - Shipper HM shipping paper does not list number and type of package as required. | In service |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | In service |
| 393.60C | Windshield - Damaged or Discolored | In service |
| 393.67C7V-F | Fuel - Missing/improper filler cap | In service |
| 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | In service |
| 395.8A1-HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Out of service |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | In service |
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | In service |
| 393.9A-LBL | Lighting - Backup lamp inoperative | In service |
| 396.3A1-BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Out of service |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Out of service |
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | Out of service |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Out of service |
| 393.60B | Windshield - Missing | In service |
| 393.80A | Rear-Vision Mirrors - Missing or defective | In service |
| 393.203A-CBP | Cab and Body Parts - Door missing/broken | In service |
| 396.5B-L | Lubrication - Oil or grease leak | In service |
| 396.3A1-F | Fuel - Dripping leak. | Out of service |
| 392.9A2-C | Cargo - Vehicle components or dunnage not secured | Out of service |
Source: FMCSA Company Census, Vehicle Inspection File and Inspections and Violations, via data.transportation.gov. Refreshed daily. Verify against FMCSA directly before relying on any of this to tender a load.