Michael Duff Inc is an active interstate carrier based in Waterloo, QC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 94 | 0 | 0 |
| Tractors | 80 | 14 | 0 |
| Trailers | 240 | 80 | 0 |
| Total Power Units | 94 | ||
Distinct vehicles · 24 mo
vs 94 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 67% | 86% | Around peer average |
| HOS Compliance | 83% | 83% | Worse than most peers |
| Driver Fitness | 42% | 89% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 83% | 80% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 10 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 73 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | NC | TRUCK TRACTOR | 1 | 0 |
| Feb 26, 2026 | NY | TRUCK TRACTOR | 2 | 0 |
| Feb 24, 2026 | NY | TRUCK TRACTOR | 1 | 0 |
| Feb 24, 2026 | NY | TRUCK TRACTOR | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 7 | 0.81 | — |
| HOS Compliance | 19 | 0.44 | — |
| Vehicle Maintenance | 43 | 3.73 | — |
| Driver Fitness | 1 | 0.04 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state NY accounts for 84% of activity. Activity outside home state (QC): 100%.
+4 other states with fewer inspections
| 11 |
| Hours-of-Service Compliance | 25 | 7 | 0 |
| Unsafe Driving | 7 | 3 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Feb 15, 2026 |
| NY |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Feb 10, 2026 | VT | TRUCK TRACTOR | 0 | 0 |
| Feb 5, 2026 | NY | TRUCK TRACTOR | 1 | 0 |
| Jan 28, 2026 | NY | TRUCK TRACTOR | 0 | 0 |
| Jan 27, 2026 | NY | TRUCK TRACTOR | 1 | 0 |
| Jan 8, 2026 | NY | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | 39282A1 | Using a hand-held mobile telephone while operating a CMV | Unsafe Driving | — |
| Feb 26, 2026 | 39355C1B | 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. | Vehicle Maintenance | — |
| Feb 26, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 24, 2026 | 39355C1B | 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. | Vehicle Maintenance | — |
| Feb 15, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 5, 2026 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |
| Jan 27, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Jan 8, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Dec 2, 2025 | 39355D2B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | Vehicle Maintenance | — |
| Dec 2, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |