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S & T TRUCKING TRANSPORTATION LLC
Parkston, SD
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 1739645 · MC 637162
Conditional
Active 18 yrs, 7 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-637162 · Common carrier
Insurance
On File
Great West Casualty Co
Safety
Conditional
28.6% OOS · 9 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 18 yrs, 7 mo
- Insurance on file: $1,000,000
- FMCSA safety rating: Conditional
- Vehicle out-of-service rate 20.0% — below the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 9 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC637162
Motor Carrier of Property (Except Household Goods) · $750,000 required
Insurance on File
Great West Casualty Co
BI&PD · $1,000,000 · Policy GWP52962A
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
1739645
MC Number
MC-637162
Safety Rating
Conditional
Operation Classification
Authorized for hire
MCS-150 Filed
June 2, 2026
FMCSA Registration
February 20, 2008
Authority Granted
March 12, 2008
Annual Mileage
545,000 mi (2025)
Contact Information
Address
803 S Ben St, Parkston, SD 57366
Phone
Email
Owner / Officer
Ryan Holzbauer
Cargo Types
General FreightMotor VehiclesDrive/Tow AwayLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsLivestockGrain/FeedFarm SuppliesConstruction Materials
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
9
Driver Inspections
6
Vehicle Inspections
5
Out-of-Service Violations
2
Violations by Category
Vehicle Maintenance8
Unsafe Driving5
Hours of Service1
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate20.0% · national avg 20.7%
✓ Below national average
28.6% of 7 inspections in the last 24 months put a driver or vehicle out of service —
59th percentile among carriers with 5–9 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
3 of 5 inspections
Unsafe Driving
2 of 7 inspections
Hours of Service
1 of 7 inspections
Driver Fitness
0 of 7 inspections
Controlled Substances
0 of 7 inspections
Crash History (2)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
2
Crashes
0
Fatalities
0
Injuries
2
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| May 17, 2026 | CO | — | — | Yes | Other · Daylight · Dry |
| January 6, 2026 | 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
CA3
NE2
NV2
WI1
Fleet & Equipment (9)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~4
of 7 reported to FMCSA
Trailers
~5
seen at inspection
Equipment types observed
Livestock
4
Tractor
4
Semi-trailer
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2019 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X7KD273778 | 4 | 1 |
| 2024 Wilson | Livestock · 48 ft | 1W1K6482XR5568394 | 3 | — |
| 2020 Peterbilt 389 | Tractor · Class 8 | 1XPXD49XXLD637855 | 2 | 1 |
| 2017 Wilson | Livestock · 53 ft | 1W16532A1H5553165 | 1 | — |
| 2022 Wilson | Livestock · 48 ft | 1W1K64824N5561967 | 1 | 1 |
| Wilx | Semi-trailer | 1W1K6482XP5568394 | 1 | — |
| 2025 Wilson | Livestock · 53 ft | 1W1K65326S5568766 | 1 | 1 |
| 2007 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9XX7D693361 | 1 | — |
| 2024 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X7RD675696 | 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 (9)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| June 8, 2026 | T456001114 | INMAN NE | III | — | — | S&T TRUCKING TRANSPORTATION | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XPXD49X7KD273778 1W1K6482XR5568394 |
SD PR37429 SD 27291P |
| May 14, 2026 | UGA8000824 | CA, CA | I | — | — | — | Truck Tractor Semi-trailer |
PETERBILT WILX |
1XPXD49X7KD273778 1W1K6482XP5568394 |
SD PR37429 SD 27291P |
| March 17, 2026 | T340000096 | ON STATE HWY 44, 2558 FEET NOR, NE | III | 1 | — | S&T TRUCKING TRANSPORTATION | Semi-trailer Truck Tractor |
WILSON PETERBILT |
1W16532A1H5553165 1XP5DB9XX7D693361 |
SD 12335P SD PR16388 |
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| February 5, 2026 | 2566000790 | HUDSON WI | II | 2 | 1 | — | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XPXD49XXLD637855 1W1K65326S5568766 |
SD PR38710 SD 27330P |
| 393.45B2-BHTD | OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. | Brakes All Others | ||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| January 14, 2026 | UGAY001292 | MADERA AREA, CA | II | 8 | — | — | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XPXD49X7KD273778 1W1K6482XR5568394 |
SD PR37429 SD 27291P |
| 393.60E | Windshield - Obstructed | Windshield/ Glass/ Markings | ||||||||
| 396.9D2-FTF | Failing to correct the violation(s)/defect(s) noted on the roadside inspection report | Inspection Reports | ||||||||
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| 392.2-SLLLR | State/Local Laws - Lane restriction violation | Misc Violations | ||||||||
| 393.11A1-CSLRR | Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | Reflective Sheeting | ||||||||
| 393.11A1-CSLRR | Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | Reflective Sheeting | ||||||||
| 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Emergency Equipment | ||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| July 11, 2025 | NC43009605 | CHOWCHILLA RIVER IF, CA | I | — | — | — | Truck Tractor |
PETERBILT |
1XPXD49XXLD637855 |
SD PR38710 |
| December 5, 2024 | 7103028290 | RENO, NV | II | 3 | 1 | LOWE CATTLE CO | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XPXD49X7KD273778 1W1K64824N5561967 |
SD PR37429 SD 22759P |
| 395.8A1-HOSP | OOSHOS (Property) - Failing to have a record of duty status using the method prescribed | Incomplete/Wrong Log | ||||||||
| 393.60D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Windshield/ Glass/ Markings | ||||||||
| 393.60E | Windshield - Obstructed | Windshield/ Glass/ Markings | ||||||||
| August 20, 2024 | 7058028166 | IR80 W/B, NV | III | 1 | — | WEICHMAN PIG CO | Truck Tractor Semi-trailer |
PETERBILT WILSON |
1XPXD49X7RD675696 1W1K6482XR5568394 |
SD PR51340 SD 27291P |
| 392.2C | Failure to obey traffic control device | Dangerous Driving | ||||||||
| January 25, 2024 | 000P16D71W | HWY 3 WB, IA | III | 2 | — | S&T TRUCKING | Truck Tractor Semi-trailer |
PTRB WILSON |
1XPXD49X3GD353649 1W1K64824N5561967 |
SD PR30892 SD 22759P |
| 392.16 | Failing to use seat belt while operating a CMV | Seat Belt | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
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 |
|---|---|---|
| LOWE CATTLE CO | 1 | December 5, 2024 |
| WEICHMAN PIG CO | 1 | August 20, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| March 12, 2008 | GRANTED | Contract Carrier |
| March 12, 2008 | Active GRANTED | Motor Carrier of Property (Except Household Goods) |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| February 22, 2008 | BI&PD Primary/Excess | On file |
BOC-3 Process Agent
Truck Process Agents of America, Inc.
4315 53rd St S, Fargo, ND, 58104
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026.
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