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SUKUP MANUFACTURING COMPANY
Sheffield, IA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 1829
Active
Conditional
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Conditional
13.6% OOS · 37 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- FMCSA safety rating: Conditional
- Vehicle out-of-service rate 37.5% — above the 20.7% national average
- 37 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
1829
Safety Rating
Conditional
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
May 5, 2026
FMCSA Registration
June 1, 1974
Annual Mileage
1,371,854 mi (2025)
Contact Information
Address
1555 255 Street, Sheffield, IA 50475
Phone
Email
Owner / Officer
Tom Mangan
Cargo Types
General FreightMetal/Sheet SteelLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsGrain/FeedConstruction MaterialsChemicalsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
37
Driver Inspections
29
Vehicle Inspections
12
Out-of-Service Violations
5
Violations by Category
Vehicle Maintenance8
Unsafe Driving11
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate37.5% · national avg 20.7%
⚠ Above national average (16.8pp higher)
13.6% of 22 inspections in the last 24 months put a driver or vehicle out of service —
35th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
4 of 9 inspections
Unsafe Driving
8 of 24 inspections
Hours of Service
0 of 24 inspections
Driver Fitness
0 of 24 inspections
Controlled Substances
0 of 24 inspections
Crash History (4)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
4
Crashes
0
Fatalities
2
Injuries
4
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| September 16, 2025 | IL | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
| March 10, 2025 | MI | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
| November 25, 2024 | MN | — | — | Yes | No Adverse Conditions · Daylight · Dry |
| September 11, 2024 | IA | — | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
IA13
IN4
SD4
IL3
NE3
AZ2
and 3 more states
Fleet & Equipment (40)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~15
of 68 reported to FMCSA
Trailers
~25
seen at inspection
Equipment types observed
Flatbed
13
Tractor
11
Semi-trailer
9
Chassis / Incomplete
1
Dry Van
1
Not Applicable
1
Pickup
1
Special Purpose Trailer
1
Truck
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2016 Volvo Truck VNL | Tractor · Class 8 | 4V4NC9EH8GN960149 | 5 | 1 |
| 2015 Freightliner Coronado | Tractor · Class 8 | 3AKJGMD68FDGK1486 | 4 | 1 |
| 2024 Wilson | Flatbed · 53 ft | 1W1K55328R6633205 | 3 | — |
| 2024 Kenworth W9 Series | Tractor · Class 8 | 1XKWD49X9RR338211 | 3 | — |
| 2017 Volvo Truck VNL | Tractor · Class 8 | 4V4NC9EH9HN973462 | 3 | — |
| 2023 Kenworth W9 Series | Tractor · Class 8 | 1XKWD49X5PR257834 | 2 | — |
| 2023 Kenworth W9 Series | Tractor · Class 8 | 1XKWD49X8PR257844 | 2 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR7LSLY1009 | 2 | — |
| 2011 Volvo Truck VNL | Tractor · Class 8 | 4V4NC9EH7BN534672 | 2 | — |
| Sukup | Semi-trailer | 00000000000000001 | 1 | — |
Show all 40 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2020 Mo Trailers Corp. | Special Purpose Trailer · 53 ft | 101FS5333LG005216 | 1 | — |
| 2022 Big Tex | Flatbed · 48 ft | 16V3F4827N6119584 | 1 | 1 |
| Central Io | Semi-trailer | 1C9UD5331LA653502 | 1 | 1 |
| Central In | Semi-trailer | 1C9UD5338MA653503 | 1 | — |
| 2020 Ford F-350 | Not Applicable · Class 3 | 1FD8W3HT0LED71907 | 1 | — |
| 2022 Ford F-350 | Chassis / Incomplete · Class 3 | 1FDRF3HTXNDA01495 | 1 | 1 |
| 2021 Ford F-350 | Pickup · Class 3 | 1FT8W3DT2MED07802 | 1 | — |
| 1982 Great Dane Trailers | Dry Van · 6 ft | 1GRAA0627CK217117 | 1 | — |
| 2014 Great Dane Trailers | Flatbed · 53 ft | 1GRDM0624EH720074 | 1 | 1 |
| 2015 Great Dane Trailers | Flatbed · 48 ft | 1GRDM9624FH726236 | 1 | — |
| 2010 Great Dane Trailers | Flatbed · 48 ft | 1GRDM9626AH712377 | 1 | — |
| 2010 Great Dane Trailers | Flatbed · 48 ft | 1GRDM9626AH712380 | 1 | 1 |
| 2010 Great Dane Trailers | Flatbed · 48 ft | 1GRDM9628AH712381 | 1 | — |
| Gdan | Semi-trailer | 1GRDM9629JH104966 | 1 | — |
| 2012 Great Dane Trailers | Flatbed · 48 ft | 1GRDM962XCH714281 | 1 | — |
| 2015 Great Dane Trailers | Flatbed · 48 ft | 1GRDM962XFH726239 | 1 | — |
| Wilson Tra | Semi-trailer | 1W15482A1K6628279 | 1 | — |
| Wilx | — | 1W15482A4K6628275 | 1 | — |
| Wilson Tra | Semi-trailer | 1W15482A6K6628276 | 1 | — |
| Wilson Tra | Semi-trailer | 1W15482A8K6628277 | 1 | — |
| Wilson Tra | Semi-trailer | 1W15532A3M6629839 | 1 | — |
| 2026 Wilson | Flatbed · 48 ft | 1W1K54824T6636807 | 1 | — |
| 2026 Wilson | Flatbed · 48 ft | 1W1K54826T6636808 | 1 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR3LSLY1010 | 1 | — |
| 2015 Volvo Truck VNL | Tractor · Class 8 | 4V4NC9EH5FN917788 | 1 | 1 |
| Wilx | Semi-trailer | 4WW5482A7J6626074 | 1 | — |
| 2020 Load Trail | Flatbed · 24 ft | 4ZEDK2424L1208914 | 1 | — |
| 2022 H & H Trailers | Flatbed · 35 ft | 5JWHF3521NN568565 | 1 | — |
| 2023 Western Star 4700 | Tractor · Class 8 | 5KJJAVDV3PPUJ4186 | 1 | — |
| 2025 Western Star 47X Chassis | Truck · Class 8 | 5KKHBPDV2SLVN6712 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (37)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 12, 2026 | 5630001766 | JEFFERSON SD | I | — | — | CARRIER | Straight Truck Semi-trailer |
FORD LOAD TRAIL |
1FD8W3HT0LED71907 4ZEDK2424L1208914 |
IA FS6846 IA HK9056 |
| April 22, 2026 | T272000086 | WAVERLY NE | III | 1 | — | NONE | Truck Tractor Semi-trailer |
KENWORTH WILSON TRA |
1XKWD49X5PR257834 1W15482A6K6628276 |
IA FV4981 IA FA8836 |
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | Dangerous Driving | ||||||||
| April 13, 2026 | 5370003840 | VALLEY SPRINGS SD | III | — | — | JAMES VALLEY GRAIN | Truck Tractor Semi-trailer |
VOLVO TRUCK WILSON TRA |
4V4NC9EH7BN534672 1W15482A8K6628277 |
IA FT8712 IA FA8837 |
| February 2, 2026 | 000P120FJK | HWY 3 EB, IA | III | 1 | — | SUKUP MANUFACTURING COMPANY | Truck Tractor Semi-trailer |
VOLVO TRUCK WILSON |
4V4NC9EH9HN973462 1W1K55328R6633205 |
IA FP6318 IA FW5334 |
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| December 15, 2025 | 000P123GXF | HIGHWAY 65NB, IA | III | 1 | — | — | Truck Tractor Semi-trailer |
VOLVO TRUCK WILSON |
4V4NC9EH9HN973462 1W1K55328R6633205 |
IA FP6318 IA FW5334 |
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| December 11, 2025 | HP03900104 | VALLEY SPRINGS SD | III | — | — | — | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
3AKJHHDR7LSLY1009 1GRAA0627CK217117 |
IA FX5474 IA GT5457 |
| October 10, 2025 | T456000819 | INMAN SCALE, NE | III | — | — | SUKUP MANUFACTURING | Truck Tractor Semi-trailer |
VOLVO TRUCK WILSON |
4V4NC9EH8GN960149 1W1K54826T6636808 |
IA FZ3503 IA LR6031 |
| September 16, 2025 | 4179150142 | I-74, IL | III | — | — | SUKUP MANUFACTURING CO | Truck Tractor Semi-trailer |
FREIGHTLINER WILSON |
3AKJHHDR3LSLY1010 1W1K54824T6636807 |
IA FW1949 IA LR6032 |
| July 29, 2025 | 000P15JQ0S | 10 - I35 NB MM 30 OSCEOLA, IA | II | 2 | 1 | SUKUP MANUFACTURING COMPANY | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
3AKJGMD68FDGK1486 1GRDM9626AH712380 |
IA FZ3502 IA TG6632 |
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| 393.11 | No or defective lighting devices or reflective material as required | Reflective Sheeting | ||||||||
| July 9, 2025 | W174004220 | EAGLEVILLE MO | III | — | — | SUKUP | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
3AKJGMD68FDGK1486 1GRDM962XFH726239 |
IA FZ3502 IA FB1072 |
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| SUKUP MFG | 3 | February 2, 2025 |
| JAMES VALLEY GRAIN | 1 | April 13, 2026 |
| ADDOCO INC. | 1 | December 17, 2024 |
| SUCKUP MFG | 1 | October 28, 2024 |
| BLACK IRON MFG. | 1 | November 2, 2023 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 27, 2026.
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