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Truck Graph
0/100
Not for Hire
This carrier holds no for-hire operating authority. Private carriers are not authorized to haul freight for hire. Do not tender.
DOT 877968Last checked 17h ago
Verify on FMCSA →
Vetting2 failed11 passedNo for-hire authority · No insurance filing
Risk Signals Detected
Private carrier — no for-hire authority. Not authorized to haul freight for hire.
Informational
No active insurance filing — verify directly with carrier
Not a legal finding — always perform independent due diligence before tendering a load.Updated 17h ago
DOT 877968Mason, WI

Robert J Hamann

DBA: Bob Hamann Trucking

Private Carrier · Not For HireIntrastateMason, WI 54856

Robert J Hamann has a fleet of 1 power units and 1 drivers. It does not hold for-hire operating authority and may operate as a private carrier. The company has recorded 1 roadside inspections in its operating history.

Identity
Legal nameRobert J Hamann
DBABob Hamann Trucking
DOT #877968
MC #
CityMason
StateWisconsin
ZIP54856
Authority age26 yr 1 mo
StatusActive (No Auth)
Common authority
Contract authority
Broker authorityNot authorized
OperationIntrastate
HazmatNot authorized
MCS-150 filed01/14/2024
Company officerRobert Hamann
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet
1
Power units
Drivers
1
Total
Inspections
1
On record
Crashes
0
None on record
OOS Rate
0.0%
↓ Below 22.26% avg
Authority Age
26 yr 1 mo
Since 2000

Source: FMCSA compliance records, Truck Graph analysis. View methodology

Business Connections
Who else shares an officer, address, or phone number with this carrier
View full network →
Associated entities1 revoked in network
1 revoked in network
ConnectedRevoked

Location

23080 CO HWY E, Mason, WI, 54856

23080 CO HWY E, MASON, WI, 54856Open in Maps →

Inspection history

1 inspections on record · 5 most recent shown · OOS rate: 0.0%

Out-of-service rates
Driver OOS (this carrier)
0.0%
National average
22.3%
DateStateLevelDriver OOSVehicle OOSResult
2/5/2025WILevel II00Pass

Source: FMCSA inspection records. View methodology

Violation categories (24 months)
Hours of Service
1 (100%)
Unsafe Driving
1 (100%)
Driver Fitness
1 (100%)
Vehicle Maintenance
1 (100%)
Controlled Substances
1 (100%)

Crash history

0 crashes on record · Showing last 3

No crash records found.

Source: FMCSA crash records. View methodology

Insurance status

Current insurance filing on record with FMCSA.

No active insurance filing on record
Verify insurance directly with carrier before tendering any load.

Source: FMCSA insurance filings. View methodology

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Marten Transport LTD
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Equipment markets

Authority timeline

Key events in this carrier's operating authority history.

Authority GrantedMay 2000
FMCSA issued operating authority
ActiveCurrent
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Verify independently

Before tendering, confirm authority and safety using official sources.

FMCSA SAFER System
Official DOT safety record, authority status, inspections
Google Search
News, reviews, and web presence
Wisconsin Secretary of State
Business registration and corporate filings
Better Business Bureau
Complaints, ratings, and accreditation status
LinkedIn
Company employees, leadership, and network
PACER (Federal Courts)
Federal litigation, bankruptcy filings

Explore carriers like Robert J Hamann

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Robert J Hamann is based in Mason, WI, which is part of the larger Wisconsin trucking market. Browse the full national carrier directory to compare across all 50 states.

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Frequently asked

Robert J Hamann

Answers from verified compliance records.

Is Robert J Hamann authorized to operate?

Robert J Hamann's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Robert J Hamann's safety record?

Robert J Hamann has 1 roadside inspections on record. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Robert J Hamann operate?

Robert J Hamann operates 1 power units with approximately 1 drivers.

Is Robert J Hamann insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Robert J Hamann had any risk indicators?

No risk indicators have been detected for Robert J Hamann as of the most recent data sync.

What is the DOT number for Robert J Hamann?

Robert J Hamann's DOT number is 877968. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Robert J Hamann Safety Record, DOT 877968. Retrieved from https://truckgraph.com/carriers/877968
MLA
"Robert J Hamann Safety Record, DOT 877968." Truck Graph, Jun 1, 2026, https://truckgraph.com/carriers/877968
Chicago
"Robert J Hamann Safety Record, DOT 877968." Truck Graph. Last modified June 1, 2026. https://truckgraph.com/carriers/877968
Data sourced from FMCSA public records with independent risk analysis. Last updated: Methodology →