DIAMOND AUTO INC
USDOT 516969 · Doing business as DIAMOND AUTO PARTS
Active, interstate carrier, small fleet (4 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate0% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 516969 |
|---|---|
| MC Number | — |
| Legal Name | DIAMOND AUTO INC |
| DBA Name | DIAMOND AUTO PARTS |
| Entity Type | CORPORATION |
| Phone | 9209227731 |
| Address | W6642 HWY 23, Fond Du Lac, WI, 54937-9773 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 68 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 2 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Most frequent violation categories: 20 (1), 28 (1), 51 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 4 |
|---|---|
| Drivers | 4 |
| Recent Annual Mileage | 68,000 |
| Last MCS-150 Filing | 13-APR-26 |
DIAMOND AUTO INC operates 4 power units — a larger fleet than 84% of carriers registered in WI.
Nearby
Other carriers in Fond Du Lac, WI
- MID STATES EXPRESS INC — USDOT 351407, 460 power units
- SADOFF & RUDOY TRANSPORT LLC — USDOT 114175, 54 power units
- BADGER LIQUOR CO INC — USDOT 83569, 50 power units
- FRENCH TRANSPORT INC — USDOT 252171, 45 power units
- TOM OTTERY TRANSIT INC — USDOT 114213, 25 power units
Browse all carriers in Fond Du Lac, WI or all WI carriers.