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Case FileDOT 507743
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Carrier Profile · DOT 507743

John Dilger

DBA: Dilger Trucking

For-Hire ContractInterstateShellrock, IA 50670
Updated 2026-05-30T02:08:16.892Z·By Sarah Chen, Lead Safety Analyst·Reviewed by James Rodriguez·Methodology v2.1

John Dilger has operated for 33.5y with a fleet of 2 power units and 1 drivers under Contract authority. The company has recorded 1 roadside inspections in its operating history.

Identity
Legal nameJohn Dilger
DBADilger Trucking
DOT #507743
MC #MC259569
CityShellrock
StateIowa
ZIP50670
Authority age33.5y
StatusActive
Common authorityNot authorized
Contract authority✓ Authorized
Broker authorityNot authorized
OperationInterstate
HazmatNot authorized
MCS-150 filed02/27/2026
Company officerJohn Dilger
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet size
2
Power units
Drivers
1
Total drivers
Inspections
1
On record
Crashes
0
On record
OOS Rate
0.0%
Better than national avg (22.26%)

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

Location

224 W GROVE ST, Shellrock, IA, 50670

224 W GROVE ST, SHELLROCK, IA, 50670Open in Maps →

Inspection history

1 total inspections. OOS rate: 0.0%. Showing last 5.

DateStateLevelDriver OOSVehicle OOS
9/2/2025IA300

Source: FMCSA inspection records. View methodology

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.

Status
Active
Insurer
PROGRESSIVE NORTHERN INSURANCE COMPANY
Coverage
$750,000
Effective
9/20/2022

Source: FMCSA insurance filings. View methodology

Related carriers in Iowa

Active carriers in IA, similar fleet size.

Crst Expedited INC
Cedar Rapids, IA
4,362 power units · DOT 53773
Annett Holdings INC
Des Moines, IA
3,883 power units · DOT 87409
Heartland Express INC Of Iowa
North Liberty, IA
3,320 power units · DOT 134697
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Authority timeline

Key events in this carrier's operating authority history.

Authority Granted
Dec 1992
FMCSA issued operating authority
Active
Current
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Research this company

Verify independently using official government and public sources.

FMCSA SAFER System
Official DOT safety record, authority status, inspections
Google Search
News, reviews, and web presence
Iowa 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

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John Dilger is based in Shellrock, IA, which is part of the larger Iowa trucking market. Browse the full national carrier directory to compare across all 50 states.

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Frequently asked

John Dilger

Answers from verified compliance records.

Is John Dilger authorized to operate?

Yes. John Dilger holds Contract operating authority and is currently active.

What is John Dilger's safety record?

John Dilger 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 John Dilger operate?

John Dilger operates 2 power units with approximately 1 drivers.

Is John Dilger insured?

John Dilger has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has John Dilger had any risk indicators?

No risk indicators have been detected for John Dilger as of the most recent data sync.

What is the DOT number for John Dilger?

John Dilger's DOT number is 507743 and MC number is MC259569. 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). John Dilger Safety Record, DOT 507743. Retrieved from https://truckgraph.com/carriers/507743
MLA
"John Dilger Safety Record, DOT 507743." Truck Graph, May 30, 2026, https://truckgraph.com/carriers/507743
Chicago
"John Dilger Safety Record, DOT 507743." Truck Graph. Last modified May 30, 2026. https://truckgraph.com/carriers/507743
SC
Sarah Chen
Lead Safety Analyst · 12 years freight intelligence
JR
James Rodriguez
Risk Analysis Editor
Last editorial review
Methodology v2.1 →