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MARK WALKER
DBA: Mark Walker Trucking
Tahlequah, OK
CarrierChk vetting signal
Review recommended
1 flag to review · 1 caution
FMCSA status: Active & Authorized · DOT 819251 · MC 436570
Active
Authority Active
Conditional
Active 3 yrs, 3 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-436570 · Common carrier
Insurance
On File
$750,000 BIPD
Safety
Conditional
41.7% OOS · 45 inspections on record
Flags · 1
Elevated Out-of-Service Rate
41.7% of this carrier's roadside inspections in the last 24 months ended in an out-of-service order — higher than 94% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Operating authority active for 3 yrs, 3 mo
- Insurance on file: $750,000
- FMCSA safety rating: Conditional
- Vehicle out-of-service rate 46.4% — above the 20.7% national average
- 45 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC436570
Contract Carrier
Insurance on File
NAVIGATORS INSURANCE COMPANY
BI&PD · $750,000 · Policy GA25MOT02358800
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
819251
MC Number
MC-436570
Operating Status
Active
Safety Rating
Conditional
Entity Type
Individual
MCS-150 Filed
July 15, 2025
FMCSA Registration
July 14, 1999
Authority Reinstated
May 15, 2023
Annual Mileage
242,808 mi (2024)
Contact Information
Location
Tahlequah, OK
Email
Cargo Types
General FreightHousehold GoodsBuilding MaterialsFresh ProduceLiquids/GasesGrain/FeedRefrigerated FoodConstruction MaterialsMeatOther Cargo
Safety & Performance
Inspections, violations and crash history
Out-of-Service Rate
41.7% of inspections ended in an out-of-service order
36 inspections in 24 months
Vehicle OOS Rate
46.4%
Driver OOS Rate
6.3%
Ranks in the 94th percentile among carriers with 25–99 inspections — lower is better. CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Safety & Inspection Summary
Total Inspections
45
Driver Inspections
20
Vehicle Inspections
33
Total OOS Orders
22
Violations by Category
Vehicle Maintenance113
Unsafe Driving11
Hours of Service9
OOS Rates vs. National Average
Driver OOS Rate6.3% · national avg 5.5%
⚠ Above national average (0.8pp higher)
Vehicle OOS Rate46.4% · national avg 20.7%
⚠ Above national average (25.7pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (45)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| July 23, 2026 | OK | Level III — Driver Only | KENW · 1XKYD49XXMJ472807 | 0 | Clean |
| July 1, 2026 | MI | Level I — Full | FREI · 3AKJHHDV1MSMK9876 | 4 | 2 OOS |
| May 28, 2026 | IL | Level III — Driver Only | KW · 1XKYDP9X1PJ251649 | 1 | Passed |
| May 21, 2026 | IL | Level I — Full | KW · 1XKYD49X6MJ472805 | 5 | 1 OOS |
| April 27, 2026 | IL | Level II — Walk-Around | KW · 1XKYDP9X1PJ251649 | 6 | 1 OOS |
| April 15, 2026 | OK | Level II — Walk-Around | INTL · 3HSDZTZR0MN176092 | 1 | Passed |
| March 30, 2026 | CO | Level I — Full | KENWORTH · 1XKYD49X6MJ472805 | 5 | 1 OOS |
| March 2, 2026 | MO | Level II — Walk-Around | KENWORTH · 1XKYD49X3TJ222744 | 1 | 1 OOS |
| February 25, 2026 | OK | Level II — Walk-Around | KW · 1XKYDP9X8HJ139318 | 7 | 1 OOS |
| January 9, 2026 | OK | Level III — Driver Only | KENW · 1XKYD49X8MJ472806 | 1 | Passed |
| October 30, 2025 | MO | Level III — Driver Only | KENWORTH · 1XKYD49X8MJ472806 | 1 | Passed |
| October 3, 2025 | TX | Level II — Walk-Around | KW · 1XKYD49X3TJ222744 | 1 | Passed |
Showing 12 of 45 inspection records
What Inspectors Found
Roadside findings from FMCSA's rolling 24-month window, grouped the way FMCSA groups them. This is separate from the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
24 of 28 inspections
Unsafe Driving
6 of 38 inspections
Hours of Service
6 of 38 inspections
Driver Fitness
0 of 38 inspections
Controlled Substances
0 of 38 inspections
| Date | Category | Violation | Sev. | Status |
|---|---|---|---|---|
| September 11, 2024 | Vehicle Maintenance · Tires | Flat tire or fabric exposed | 8 | Out of service |
| September 4, 2025 | Vehicle Maintenance · Tires | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 8 | Out of service |
| April 27, 2026 | Vehicle Maintenance · Tires | Tire-flat and/or audible air leak | 8 | Out of service |
| March 2, 2026 | Vehicle Maintenance · Tires | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 8 | Out of service |
| December 9, 2024 | Vehicle Maintenance · Tires | Tires - All others in contact with a part of the vehicle | 8 | Out of service |
| February 27, 2025 | Vehicle Maintenance · Lighting | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | 6 | Out of service |
| February 27, 2025 | Vehicle Maintenance · Lighting | Lighting - Stop lamps - Both inoperative when required to be on | 6 | Out of service |
| May 19, 2025 | Vehicle Maintenance · Lighting | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | 6 | Out of service |
| May 19, 2025 | Vehicle Maintenance · Lighting | Lighting - Stop lamps - Both inoperative when required to be on | 6 | Out of service |
| September 11, 2024 | Vehicle Maintenance · Lighting | Inoperative Brake Lamps | 6 | Out of service |
| July 1, 2026 | Hours-of-Service Compliance · Incomplete/Wrong Log | HOS (Manner) - Driver's record of duty status not current to the time shown for last change of duty status. Date and Time: | 5 | Out of service |
| July 1, 2026 | Hours-of-Service Compliance · Incomplete/Wrong Log | HOS (Manner) - Driver failed to retain a copy of each record of duty status for the previous 7 consecutive days which shall be in his/her possession and available | 5 | Out of service |
| March 30, 2026 | Vehicle Maintenance · Brakes All Others | Brake - Inoperative on a steering axle | 4 | Out of service |
| May 15, 2025 | Vehicle Maintenance · Brakes All Others | No or defective brake warning device or pressure gauge | 4 | Out of service |
| May 21, 2026 | Vehicle Maintenance · Brakes All Others | Brake system pressure loss | 4 | Out of service |
Showing the 15 most serious of 100 recorded violations
Crash History (2)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
2
Crashes
0
Fatalities
2
Injuries
2
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| August 4, 2025 | OK | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
| August 4, 2025 | OK | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
OK24
MO5
AR4
IL4
TX4
CO2
and 2 more states
Fleet & Equipment (36)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~19
of 13 reported to FMCSA
Trailers
~17
seen at inspection
Equipment types observed
Tractor
14
Dry Van
10
Tank
5
Grain / Hopper
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2021 Kenworth T680 | Tractor · Class 8 | 1XKYD49XXMJ472807 | 6 | 3 |
| 2023 Kenworth T680 | Tractor · Class 8 | 1XKYDP9X1PJ251649 | 6 | 2 |
| 2021 Kenworth T680 | Tractor · Class 8 | 1XKYD49X8MJ472806 | 5 | 1 |
| 2022 Polar Tank Trailer | Tank · 43 ft | 3H6KL4322N3117762 | 5 | 1 |
| 2021 Utility Trailer Manufacturer | Dry Van · 53 ft | 3UTVS2537M8268268 | 5 | 3 |
| 2000 Freightliner Long Conv. | Tractor · Class 8 | 1FUPCSZB6YDA91622 | 4 | 1 |
| 2016 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2535GU189313 | 4 | 3 |
| 2022 Dorsey | Grain / Hopper · 45 ft | 7KYCW4523NED32792 | 4 | 1 |
| 2005 Freightliner CST120 | Tractor · Class 8 | 1FUJBBCK75LN67084 | 3 | 3 |
| 1996 Freightliner USF-1E | Tractor · Class 8 | 1FUYDZYB2TH614743 | 3 | — |
Show all 36 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2021 Kenworth T680 | Tractor · Class 8 | 1XKYD49X6MJ472805 | 3 | 2 |
| 2017 Kenworth T680 | Tractor · Class 8 | 1XKYDP9X8HJ139318 | 3 | 1 |
| 2017 Kenworth T680 | Tractor · Class 8 | 1XKYDP9X8HJ139321 | 3 | — |
| Trlr | — | 1D9DS2424XF266001 | 2 | 2 |
| Unk | — | 1M9L145265C343653 | 2 | — |
| 2016 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2533GU189309 | 2 | 1 |
| 2015 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS253XFM332576 | 2 | 1 |
| 2026 Kenworth T680 | Tractor · Class 8 | 1XKYD49X3TJ222744 | 2 | 1 |
| 1999 Etnyre | Tank · 44 ft | 1E9T44206XE007098 | 1 | — |
| E.d E | — | 1E9T97920NE007279 | 1 | — |
| 2000 Polar Tank Trailer | Tank · 43 ft | 1PMA14322Y1022489 | 1 | — |
| 1998 Polar Tank Trailer | Tank · 43 ft | 1PMA14323W1020330 | 1 | — |
| 1999 Polar Tank Trailer | Tank · 42 ft | 1PMC14221X2021501 | 1 | — |
| 2020 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2530L6982405 | 1 | — |
| 2013 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2531DP606310 | 1 | — |
| 2016 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2533GU188936 | 1 | — |
| 2017 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2534HU891169 | 1 | 1 |
| 2016 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS2539GU188939 | 1 | 1 |
| 2018 Utility Trailer Manufacturer | Dry Van · 53 ft | 1UYVS253XJ6220504 | 1 | 1 |
| 2017 Kenworth T680 | Tractor · Class 8 | 1XKYDP9X6HJ139320 | 1 | 1 |
| 1987 Peterbilt 359 | Tractor · Class 8 | 1XP9DB9X3HN208121 | 1 | — |
| 2021 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDV1MSMK9876 | 1 | 1 |
| 2021 International LT625 | Tractor · Class 8 | 3HSDZTZR0MN176092 | 1 | — |
| 2026 Dorsey | Grain / Hopper · 45 ft | 7KYCW4526TED45999 | 1 | — |
| Ptrb | — | D376932GL | 1 | — |
| Util | — | UYVS2534HU891169 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| November 3, 2023 | INVOLUNTARY REVOCATION | Contract |
| May 15, 2023 | REINSTATED | Contract Carrier |
| November 9, 2022 | INVOLUNTARY REVOCATION | Contract |
| November 8, 2017 | INVOLUNTARY REVOCATION | Contract |
| November 8, 2016 | INVOLUNTARY REVOCATION | Contract |
| November 4, 2013 | REINSTATED | Contract Carrier |
| November 28, 2012 | INVOLUNTARY REVOCATION | Contract |
| February 12, 2007 | REINSTATED | Contract Carrier |
| December 27, 2006 | INVOLUNTARY REVOCATION | Contract |
| October 25, 2006 | INVOLUNTARY REVOCATION | Contract |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| November 7, 2025 | BI&PD Primary/Excess | On file |
| September 30, 2013 | CONTRACT | On Record |
| January 8, 2007 | CONTRACT | On Record |
| April 14, 2006 | CONTRACT | On Record |
| February 27, 2004 | CONTRACT | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 11, 2026.
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