W D Zweicky & Son Inc is an active intrastate non-hazmat carrier based in Robesonia, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 15 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 10 | 0 | 0 |
| Total Power Units | 21 | ||
Distinct vehicles · 24 mo
vs 21 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 | 70% | 89% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 49% | 82% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state PA accounts for 100% of activity. Activity outside home state (PA): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 1 | 1 | 0 |
| Vehicle Maintenance | 1 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 4, 2025 | PA | TRUCK TRACTOR | 1 | 0 |
| Dec 18, 2024 | PA | TRUCK TRACTOR | 1 | 0 |
| Oct 24, 2024 | PA | TRUCK TRACTOR | 0 | 0 |
| Date | Code |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.95 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 2.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Sep 4, 2025 | 39282A1 | Using a hand-held mobile telephone while operating a CMV | Unsafe Driving | — |
| Dec 18, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |