Piston Transport Inc is an active interstate carrier based in Stockton, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 10 | 0 | 0 |
| Trailers | 7 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 93% | 96% | Worse than most peers |
| HOS Compliance | 82% | 94% | Worse than most peers |
| Driver Fitness | 82% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 85% | 93% | 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 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 55 | 8 | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2026 | NJ | TRUCK TRACTOR | 1 | 0 |
| Mar 10, 2026 | AZ | TRUCK TRACTOR | 10 | 0 |
| Feb 3, 2026 | IL | TRUCK TRACTOR | 0 | 0 |
| Jan 9, 2026 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 24
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| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 3.21 | — |
| HOS Compliance | 5 | 0.35 | — |
| Vehicle Maintenance | 21 | 6.09 | — |
| Driver Fitness | 1 | 0.10 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 16 states. Top state CA accounts for 44% of activity. Activity outside home state (CA): 56%.
+11 other states with fewer inspections
| Unsafe Driving | 7 | 1 | 0 |
| Hours-of-Service Compliance | 5 | 2 | 0 |
| Driver Fitness | 1 | 0 | 1 |
| NJ |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Dec 16, 2025 | CA | TRUCK TRACTOR | 1 | 1 |
| Dec 5, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Nov 24, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Oct 15, 2025 | AZ | TRUCK TRACTOR | 7 | 1 |
| Sep 27, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Mar 10, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 10, 2026 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 10, 2026 | 39311BCSLRR | Conspicuity Systems - Trailers lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Mar 10, 2026 | 39311BCSURR | Conspicuity Systems - Trailers upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Mar 10, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Mar 10, 2026 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939BLIL | Lighting - Identification lamp(s) obscured | Vehicle Maintenance | — |
C P Carrier Inc
Hercules, CA
Partap Singh · also at 24 others
+14 more