DBA: Topper Truck Lines
Topper Truck Lines Llc is an active interstate carrier based in Winchester, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 5 | 0 | 0 |
| Trailers | 3 | 0 | 1 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 98% | 99% | Worse than most peers |
| HOS Compliance | 88% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 92% | 96% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 9 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 44 | 8 | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 2, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Jan 14, 2026 | NM | TRUCK TRACTOR | 3 | 0 |
| Jan 12, 2026 | OR | TRUCK TRACTOR | 0 | 0 |
| Dec 17, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Dec 4, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 11.66 | — |
| HOS Compliance | 5 | 1.11 | — |
| Vehicle Maintenance | 12 | 9.75 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state CA accounts for 50% of activity. Activity outside home state (CA): 50%.
+4 other states with fewer inspections
| Hours-of-Service Compliance | 7 | 2 | 3 |
| Unsafe Driving | 2 | 1 | 0 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Dec 1, 2025 | CO | TRUCK TRACTOR | 8 | 0 |
| Nov 26, 2025 | CA | TRUCK TRACTOR | 7 | 2 |
| Nov 14, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Oct 21, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 14, 2025 | AZ | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 14, 2026 | 393203A | Cab door missing/broken | Vehicle Maintenance | — |
| Jan 14, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jan 14, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Dec 1, 2025 | 393203ACBP | Cab and Body Parts - Door missing/broken | Vehicle Maintenance | — |
| Dec 1, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Dec 1, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 1, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Dec 1, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Dec 1, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Dec 1, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |