4D GRADING LLC

USDOT 3489200 · Winterset, IA · Underwriter-grade risk snapshot

Operating statusActive

Lead priorityUnknown

Fleet3 power units · 2 drivers (3 trucks)

OperationC · PRIVATE PROPERTY;AUTHORIZED FOR HIRE

Current insurer—

Crashes / Inspections (24 mo)0 / 1

	Vehicle	Driver
This carrier	100.0% (1/1)	0.0% (0/1)
National average	22.3%	6.7%

⚠️ Above national average. Carriers with high OOS rates face premium surcharges and are more likely to shop for new insurance.

Address108 W JEFFERSON ST
WINTERSET IA 50273-1547

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Power units3

Drivers2 (2 CDL)

MCS-150 mileage60,000 (2023)

MCS-150 filedSep 3, 2024

HazmatN

Cargoother: other

Total inspections1

Out-of-service1

Vehicle OOS rate100.0%

Driver OOS rate0.0%

Total violations1

OOS violations0

Total crashes0

Fatal crashes0

Injuries0

Insurance agent? 4D GRADING LLC — get the full IA lead list.

Data as of Thu Oct 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Source: FMCSA public filings, refreshed daily by Insight Carrier.