Mast Trucking Inc is an active interstate carrier based in Sublette, KS.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 55 | 0 | 0 |
| Tractors | 35 | 20 | 0 |
| Trailers | 108 | 0 | 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 | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 90% | 94% | Worse than most peers |
| HOS Compliance | 86% | 95% | Worse than most peers |
| Driver Fitness | 71% | 93% | Around peer average |
| Controlled Substances | 98% | 100% | Worse than most peers |
| Vehicle Maintenance | 63% | 87% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 23 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2024 | 0 | 2 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 108 | 34 | 28 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Mar 13, 2026 | MO | TRUCK TRACTOR | 2 | 0 |
| Mar 12, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Mar 12, 2026 |
| Category |
|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 11 | 1.45 | — |
| HOS Compliance | 16 | 0.40 | — |
| Vehicle Maintenance | 49 | 4.32 | — |
| Driver Fitness | 2 | 0.04 | — |
| Controlled Substances | 1 | 0.02 | — |
| 4.44% |
Where they run
Inspected in 17 states. Top state NM accounts for 31% of activity. Activity outside home state (KS): 74%.
+12 other states with fewer inspections
| Hours-of-Service Compliance | 26 | 8 | 0 |
| Unsafe Driving | 12 | 3 | 0 |
| Driver Fitness | 3 | 1 | 2 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| NM |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 12, 2026 | KS | TRUCK TRACTOR | 3 | 0 |
| Mar 9, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Mar 2, 2026 | KS | TRUCK TRACTOR | 2 | 0 |
| Feb 24, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Feb 23, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | 39355D1B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 1997 and each single unit CMV on or after 1998. | Vehicle Maintenance | — |
| Mar 13, 2026 | 39355D2B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | Vehicle Maintenance | — |
| Mar 12, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 12, 2026 | 3927AD | Driver - Failed to conduct pre-trip inspection or make use of required parts and accessories | Vehicle Maintenance | — |
| Mar 12, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Mar 2, 2026 | 39524C2IIIELDSDN | HOS (ELD) - Driver failing to manually input or verify shipping document number. | Hours-of-Service Compliance | — |
| Mar 2, 2026 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |
| Feb 5, 2026 | 393201DFR | Frame - Accessories improperly attached | Vehicle Maintenance | — |
| Feb 5, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 5, 2026 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |