M A WOLF TRUCKING INC
USDOT 223347 • 501 KETTLE MORAINE DR S, SLINGER, WI, 53086
ACTIVEMotor Carrier
Authority:1 active
Insurance:2 current
BOC-3:On file
Safety Rating:S
MCS-150:Never updated
OOS Orders:None
Overview
Company profile from FMCSA Census File
USDOT
223,347
Status
ACTIVE
Entity Type
Corporation
Operation
Interstate
Business Type
Motor Carrier
State
Phone
2626445030
Email
Power Units (MCS-150)
57
Drivers (MCS-150)
32
Safety Rating
S
MCS-150 Mileage
1,315,444
BOC-3 Agent
Physical Address
501 KETTLE MORAINE DR S, SLINGER, WI, 53086
Mailing Address
PO BOX 348, SLINGER, WI, 53086
Contact
Phone: 2626445030
Email: [email protected]
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Contract Carrier — Active
Active Authority
1
Revoked / Inactive
0
Authority Types
1
Insurance Policies
2 active
Latest: Jul 13, 1998
BOC-3 Filing
On file
Operating Authority
fmcsa-authhistApr 5, 2026
| Authority Type | Docket # | Status | Original Date | Final Date |
|---|---|---|---|---|
| Contract Carrier | MC-163810 | ACTIVE | Unknown | Oct 13, 1998 |
Active Insurance (2)
fmcsa-insurApr 5, 2026
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| FEDERATED MUTUAL INSURANCE CO. | BIPD/Primary | 9202901 | ON FILE | Jul 13, 1998 | Sep 1, 2020 |
| FARMLAND MUTUAL INSURANCE CO. | BIPD | CMG 451626 | ON FILE | Jul 24, 1989 | Aug 30, 1998 |
Insurance Events Timeline
fmcsa-insur-hist
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| TERM/REPL | FEDERATED MUTUAL INSURANCE CO. | 9202901 | BIPD/Primary | Sep 1, 2020 | Sep 1, 2020 |
| CANCEL | FARMLAND MUTUAL INSURANCE CO. | CMG 451626 | BIPD | Aug 30, 1998 | Aug 30, 1998 |
Authority Action History (2 events)
fmcsa-authhist-blob
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC163810 | CONTRACT | INVOLUNTARY REVOCATION | Sep 25, 1998 | DISCONTINUED REVOCATION | Oct 7, 1998 |
| MC163810 | MOTOR PROPERTY CONTRACT CARRIER | GRANTED | Jul 31, 1984 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Driver Fitness
N/A
Hours of Service
N/A
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspections
21
Violations
28
2 OOS
Vehicle OOS %
4.8%
Driver OOS %
0.0%
Power Units (MCS-150)
57
Drivers (MCS-150)
32
Crash Records
25
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
1
May
1
Jun
Jul
Aug
Sep
1
Oct
1
Nov
Dec
Jan
Feb
1
Mar
1
Apr
May
Jun
Jul
1
Aug
1
Sep
2
Oct
Nov
1
Dec
2
Jan
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 21 of 21 inspection records
Inspection Activity Map
4 states • 21 inspections
None Low Medium High🚛 Home base
Violation Summary (28 violations from 21 inspections)
fmcsa-inspection-file
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:173.24B4-HMGP | HM (General Packaging) - HM residue adhering to outside of the package | 2 | 0 | — | Hazardous Materials |
| FMCSR:393.55E-B | Coupling device/towing methods defective | 2 | 0 | 8 | Vehicle Maintenance |
| FMCSR:392.2-SLLUCR | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:172.602C-HMER | HM (Emergency Response) - Improper maintenance/accessibility of emergency response information | 1 | 0 | — | Hazardous Materials |
| FMCSR:393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLTCD | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.78A-WS | Windshield condition defective | 1 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.9A-LLPL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.55(c)(2) | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:393.45(d) | Brake tubing/hoses inadequate | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.9A-LHLI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.55(e) | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:395.8(e)(1) | 395.8(e)(1) | 1 | 0 | — | Hours Of Service |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.24(c)(2)(iii) | Driver failed to manually add shipping document number | 1 | 0 | — | Hours Of Service |
| FMCSR:393.55(d)(3) | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:177.834(a) | General loading/unloading hazmat | 1 | 1 | 6 | Hazardous Materials |
| FMCSR:172.202(a)(1) | Hazmat description incomplete | 1 | 0 | 5 | Hazardous Materials |
| FMCSR:172.336(b) | ID Numbers not properly displayed other than on placards | 1 | 1 | — | Hazardous Materials |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
Vehicle OOS Rate
4.8%vs nat'l 23.4%
-18.6 pts below avg
Driver OOS Rate
0.0%vs nat'l 6.7%
-6.7 pts below avg
Violations / Inspection
1.33vs nat'l 1.80
-0.47 below avg
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (21 inspections)
fmcsa-inspectionsApr 5, 2026
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
13 total · 0.0% OOS
2024-052026-01
InspectionsOOS
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
25 crash records from FMCSA Crash File
Total Crashes
25
Fatalities
0
Injuries
9
Across 8 crashes
Tow-Aways
25
Crash History (25 records)
fmcsa-crash-fileApr 5, 2026
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Jun 23, 2023 | WI | TOW | 0 | 0 | OAKFIELD | STH 049 NB | ...019629 | M A WOLF TRUCKING INC |
| Mar 20, 2023 | IL | TOW | 0 | 0 | WORTH TWP | I-294 | ...012627 | M A WOLF TRUCKING INC |
| Feb 27, 2023 | WI | TOW | 0 | 0 | NEKIMI | IH 041 NB | ...012628 | M A WOLF TRUCKING INC |
| Feb 22, 2023 | WI | TOW | 0 | 0 | BLACK RIVER FALLS | IH 094 EB | ...516462 | M A WOLF TRUCKING INC |
| May 11, 2018 | WI | TOW | 0 | 0 | — | — | — | — |
| Oct 25, 2017 | WI | TOW | 0 | 0 | — | — | — | — |
| Sep 21, 2017 | WI | TOW | 0 | 0 | — | — | — | — |
| Jul 11, 2016 | WI | TOW | 0 | 0 | — | — | — | — |
| Nov 20, 2015 | WI | TOW | 0 | 0 | — | — | — | — |
| Jan 19, 2015 | WI | INJURY | 0 | 1 | — | — | — | — |
| Oct 24, 2012 | WI | INJURY | 0 | 1 | — | — | — | — |
| Jun 16, 2012 | WI | TOW | 0 | 0 | — | — | — | — |
| Apr 5, 2012 | WI | TOW | 0 | 0 | — | — | — | — |
| Apr 21, 2011 | WI | TOW | 0 | 0 | — | — | — | — |
| Mar 24, 2011 | WI | TOW | 0 | 0 | — | — | — | — |
| Sep 8, 2010 | WI | INJURY | 0 | 1 | — | — | — | — |
| Jun 15, 2010 | WI | TOW | 0 | 0 | — | — | — | — |
| Feb 17, 2008 | WI | INJURY | 0 | 1 | — | — | — | — |
| Mar 10, 2005 | WI | INJURY | 0 | 1 | — | — | — | — |
| Dec 23, 2003 | WI | INJURY | 0 | 1 | — | — | — | — |
| Apr 4, 2003 | WI | TOW | 0 | 0 | — | — | — | — |
| Sep 23, 1998 | WI | INJURY | 0 | 2 | — | — | — | — |
| Aug 26, 1997 | WI | INJURY | 0 | 1 | — | — | — | — |
| Dec 19, 1996 | WI | TOW | 0 | 0 | — | — | — | — |
| Sep 26, 1994 | WI | TOW | 0 | 0 | — | — | — | — |
Compliance Timeline
28 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Sep 1, 2020
InsuranceInsurance term/repl
FEDERATED MUTUAL INSURANCE CO. • BIPD/Primary
Aug 30, 1998
InsuranceInsurance cancel
FARMLAND MUTUAL INSURANCE CO. • BIPD
Showing most recent 25 of 28 events
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InsurerFEDERATED MUTUAL INSURANCE CO.
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FMCSA Authority History
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FMCSA Insurance Filings
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FMCSA Vehicle Inspection File
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Refresh dataLast updated: Apr 5, 2026