Ralph Zimmerman Excavating is an active intrastate non-hazmat carrier based in Jefferson Hills, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 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 | 0% | 0% | Better than most peers |
| 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 | 98% | 99% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 3 | — | 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 |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 27, 2025 | PA | STRAIGHT TRUCK | 3 | 3 |
| May 3, 2024 | PA | STRAIGHT TRUCK | 8 | 4 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
Ad Post Graphics Media Marketing Inc
No alertsJefferson Hills, PA · 2 units
Anthony Bekavac
No alertsJefferson Hills, PA · 1 units
Brandon Gawlas
No alertsJefferson Hills, PA · 2 units
Carrier Management Corporation
No alertsJefferson Hills, PA · 152 units
Cb'S Trucking Llc
No alertsJefferson Hills, PA · 1 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 21.50 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 5 |
| Oct 27, 2025 |
| 39348ABIBD |
| Drum Brake - Inoperative other than a steering axle |
| Vehicle Maintenance |
| — |
| Oct 27, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 27, 2025 | 3963A1CDLME | Coupling - Semi-Trailer loose mounting missing or ineffective fasteners or insecure latch (excluding fifth wheel and pintle hooks) | Vehicle Maintenance | Yes |
| May 3, 2024 | 39347ABCFSBDSA | Drum Brake - Contaminated friction surface on a steering axle | Vehicle Maintenance | Yes |
| May 3, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| May 3, 2024 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| May 3, 2024 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| May 3, 2024 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| May 3, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| May 3, 2024 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |