J Diamond Trans Inc is an active interstate carrier based in Woodland, 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 | 15 | 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 | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 90% | 96% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 93% | 97% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 3 | — | 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 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 21, 2026 | CA | TRUCK TRACTOR | 3 | 0 |
| Dec 1, 2025 | CA | TRUCK TRACTOR | 6 | 0 |
| Nov 4, 2025 | CA | TRUCK TRACTOR | 3 | 2 |
| Sep 9, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 4 | 0.51 | — |
| Vehicle Maintenance | 10 | 7.03 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state CA accounts for 84% of activity. Activity outside home state (CA): 16%.
| 27 |
| 8 |
| 5 |
| Hours-of-Service Compliance | 5 | 0 | 2 |
| Aug 19, 2025 |
| CA |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Jul 14, 2025 | CA | TRUCK TRACTOR | 4 | 0 |
| Jun 27, 2025 | NV | TRUCK TRACTOR | 2 | 0 |
| May 8, 2025 | CA | TRUCK TRACTOR | 7 | 3 |
| Apr 30, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Dec 20, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 21, 2026 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Jan 21, 2026 | 39370B1ICDFWFMILT20 | Coupling - 20% or less of the fifth wheel fasteners on either side missing/ineffective | Vehicle Maintenance | — |
| Jan 21, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Dec 1, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Dec 1, 2025 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Dec 1, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 1, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 1, 2025 | 3939ALTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Vehicle Maintenance | — |
| Dec 1, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Nov 4, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |