Master Trucking Llc is an active interstate carrier based in Tucson, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 33 | 0 | 0 |
| Tractors | 33 | 0 | 0 |
| Trailers | 40 | 0 | 0 |
| Total Power Units | 33 | ||
Distinct vehicles · 24 mo
vs 33 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 99% | 95% | Worse than most peers |
| HOS Compliance | 100% | 99% | Worse than most peers |
| Driver Fitness | 84% | 95% | Worse than most peers |
| Controlled Substances | 99% | 100% | Worse than most peers |
| Vehicle Maintenance | 81% | 90% | Worse than most peers |
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 | 25 | — | 6.67% |
| Vehicle | 0 | 19 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 142 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 14, 2026 | AZ | TRUCK TRACTOR | 10 | 2 |
| Mar 4, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 2, 2026 | WA | TRUCK TRACTOR | 2 | 0 |
| Feb 27, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Category |
|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 17 | 4.13 | — |
| HOS Compliance | 56 | 5.56 | — |
| Vehicle Maintenance | 42 | 8.95 | — |
| Driver Fitness | 8 | 0.48 | — |
| Controlled Substances | 1 | 0.05 | — |
| 4.44% |
Where they run
Inspected in 18 states. Top state NM accounts for 28% of activity. Activity outside home state (AZ): 79%.
+13 other states with fewer inspections
| 25 |
| 22 |
| Hours-of-Service Compliance | 111 | 80 | 24 |
| Unsafe Driving | 19 | 5 | 0 |
| Driver Fitness | 9 | 1 | 5 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Feb 20, 2026 |
| AZ |
| TRUCK TRACTOR |
| 11 |
| 3 |
| Feb 10, 2026 | IL | TRUCK TRACTOR | 0 | 0 |
| Jan 21, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Jan 19, 2026 | UT | TRUCK TRACTOR | 2 | 1 |
| Jan 18, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Jan 8, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 14, 2026 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 14, 2026 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |
| Mar 14, 2026 | 39328WS | Wiring Systems - Copper wire exposed | Vehicle Maintenance | — |
| Mar 14, 2026 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Mar 14, 2026 | 39355D2B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | Vehicle Maintenance | — |
| Mar 14, 2026 | 39375A1TAORETA | Tires - All others has more than one ply exposed in the tread area exceeding 2 square inches. | Vehicle Maintenance | Yes |
| Mar 14, 2026 | 39395A4EENA | Emergency Equipment - Fire Extinguishers - not readily accessible | Vehicle Maintenance | — |
| Mar 14, 2026 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Mar 14, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Mar 14, 2026 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |