TruckCodex

LOCKEN OIL LLC

USDOT 1891781 • 301 NORTH MAIN, ISABEL, SD, 57633

ACTIVEMotor Carrier
Authority:1 active
Insurance:1 current
BOC-3:On file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
1,891,781
Status
ACTIVE
Operation
Interstate
Business Type
Motor Carrier
State
South Dakota
Phone
6054662143
Email
[email protected]
Power Units (MCS-150)
16
Drivers (MCS-150)
14
MCS-150 Mileage
1,190,000
BOC-3 Agent
PROCESS AGENT SERVICE COMPANY, INC.
Physical Address
301 NORTH MAIN, ISABEL, SD, 57633
Mailing Address
PO BOX 204, ISABEL, SD, 57633
Contact
Phone: 6054662143

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Contract Carrier — Active
Active Authority
1
Revoked / Inactive
0
Authority Types
1
Insurance Policies
1 active
Latest: Nov 6, 2012
BOC-3 Filing
On file

Operating Authority

fmcsa-authhistApr 5, 2026
Operating Authority
Authority TypeDocket #StatusOriginal DateFinal Date
Contract CarrierMC-802520ACTIVEUnknownUnknown

Active Insurance (1)

fmcsa-insurApr 5, 2026
Active Insurance (1)
InsurerTypePolicy #StatusEffectiveCancel Date
EMPLOYERS MUTUAL CASUALTY CO.BIPD/Primary3E7-24-60ON FILENov 6, 2012Apr 11, 2022

Insurance Events Timeline

fmcsa-insur-hist
Insurance Events Timeline
EventInsurerPolicy #TypeEvent DateCancel Date
TERM/REPLEMPLOYERS MUTUAL CASUALTY CO.3E7-24-60BIPD/PrimaryApr 11, 2022Apr 11, 2022

Authority Action History (1 events)

fmcsa-authhist-blob
Authority Action History (1 events)
DocketAuthority TypeOriginal ActionServed DateDispositionDecided Date
MC802520MOTOR PROPERTY CONTRACT CARRIERGRANTEDNov 13, 2012—Unknown

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Unsafe Driving
17%

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections
36
Violations
40
5 OOS
Vehicle OOS %
5.6%
Driver OOS %
8.3%
Above nat'l avg (6.7%)
Power Units (MCS-150)
16
Drivers (MCS-150)
14
Crash Records
2

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

1
May
1
Jun
Jul
Aug
2
Sep
Oct
Nov
Dec
2
Jan
Feb
2
Mar
Apr
2
May
2
Jun
1
Jul
1
Aug
4
Sep
3
Oct
Nov
Dec
Jan
1
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 36 of 36 inspection records

Inspection Activity Map

4 states • 36 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (40 violations from 36 inspections)

fmcsa-inspection-file
Violation Summary (40 violations from 36 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:395.8E-HOSPDFalse record of duty status4010Hours Of Service
FMCSR:392.2-SLLEWA1Operating a CMV while ill or fatigued408Unsafe Driving
FMCSR:395.3(a)(3)(i)395.3(a)(3)(i)41—Hours Of Service
FMCSR:392.2-SLLEWA3Operating a CMV while ill or fatigued308Unsafe Driving
FMCSR:392.2-SLLS2Speeding 6-10 mph over limit205Unsafe Driving
FMCSR:393.47ESlack adjuster defective207Vehicle Maintenance
FMCSR:393.53B-BSteering system components worn207Vehicle Maintenance
FMCSR:392.2-SLLEWG2Operating a CMV while ill or fatigued208Unsafe Driving
FMCSR:392.2Operating a CMV while ill or fatigued208Unsafe Driving
FMCSR:392.2-SLLLROperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:392.2-SLLEWA2Operating a CMV while ill or fatigued108Unsafe Driving
FMCSR:172.602A-HMERHM (Emergency Response) - No emergency response information10—Hazardous Materials
FMCSR:396.17C-PINo proof of periodic inspection103Vehicle Maintenance
FMCSR:383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDL11—Driver Fitness
FMCSR:395.24HOS (ELD) - ELD Form and Manner10—Hours Of Service
FMCSR:395.8(e)(1)395.8(e)(1)10—Hours Of Service
FMCSR:107.608(b)107.608(b)10—Unknown
FMCSR:391.11(b)(5)Not physically qualified117Driver Fitness
FMCSR:393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)105Vehicle Maintenance
FMCSR:393.45B2-BBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:393.47(e)Slack adjuster defective107Vehicle Maintenance
FMCSR:393.205(a)Wheel/rim defective117Vehicle Maintenance
FMCSR:177.817(e)Placard deteriorated/damaged114Hazardous Materials
FMCSR:172.602(c)(1)Maintenance/accessibility of Emergency Response information10—Hazardous Materials

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
5.6%vs nat'l 23.4%
-17.8 pts below avg
Driver OOS Rate
8.3%vs nat'l 6.7%
+1.6 pts above avg
Violations / Inspection
1.11vs nat'l 1.80
-0.69 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 (36 inspections)

fmcsa-inspectionsApr 5, 2026
Inspection History (36 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Feb 12, 202687041225WATFORD CITY NDNDLevel 3POLAR MFG. SEMI-TRAILER5395.8E-HOSPD, 392.2-SLLLR, 392.2-SLLS2No
Oct 17, 202586135435WOLSEY SDSDLevel 3UNKNOWN SEMI-TRAILER0—No
Oct 17, 202586105340TILFORD SDSDLevel 2POLAR MFG. SEMI-TRAILER0—No
Oct 9, 202586013514RoadsideNDLevel 2FREIGHTLIN TRUCK TRACTOR0—No
Sep 23, 202585876850WOLSEY SDSDLevel 3PETERBILT TRUCK TRACTOR0—No
Sep 22, 202585876596BLUNT SDSDLevel 3POLAR MFG. SEMI-TRAILER0—No
Sep 10, 202585746203WIBAUX MTMTLevel 2POLAR MFG. SEMI-TRAILER0—No
Sep 9, 202585999547BLUNT SDSDLevel 3PETERBILT TRUCK TRACTOR0—No
Aug 25, 202585581017ABERDEEN SDSDLevel 1POLAR MFG. SEMI-TRAILER3393.47E, 393.53B-BNo
Jul 30, 202585359636BUFFALO SDSDLevel 2POLAR MFG. SEMI-TRAILER6392.2-SLLEWA1, 392.2-SLLEWG2, 392.2-SLLEWA2No
Jun 13, 202584957473MINOT NDNDLevel 2PETERBILT TRUCK TRACTOR1392.2-SLLS2No
Jun 5, 202584879517WIBAUX MTMTLevel 1FREIGHTLIN TRUCK TRACTOR0—No
May 3, 202584573473WOLSEY SDSDLevel 2PETERBILT TRUCK TRACTOR4392.2-SLLEWA3, 392.2-SLLEWG2No
May 1, 202584564516WIBAUX MTMTLevel 1POLAR MFG. SEMI-TRAILER0—No
Mar 17, 202584153918WIBAUX MTMTLevel 2FREIGHTLIN TRUCK TRACTOR1172.602A-HMERNo
Mar 3, 202584074042ABERDEEN SDSDLevel 3PETERBILT TRUCK TRACTOR3396.17C-PI, 383.23A2-LCDLN, 395.24Yes
Jan 29, 202583724579BUFFALO SDSDLevel 2PETERBILT TRUCK TRACTOR0—No
Jan 16, 202583652037WIBAUX MTMTLevel 2PETERBILT TRUCK TRACTOR0—No
Sep 30, 202482840311TILFORD SDUSLevel 1PETERBILT TRUCK TRACTOR0—No
Sep 10, 202482618632BELLE FOURCHE SDSDLevel 2POLAR MFG. SEMI-TRAILER3395.8(e)(1), 107.608(b), 392.2No
Jun 14, 202481886593TILFORD SDSDLevel 2POLAR MFG. SEMI-TRAILER0—No
May 18, 202481653032WIBAUX MTMTLevel 3POLAR MFG. SEMI-TRAILER0—No
Apr 23, 202481426569TILFORD SDSDLevel 2POLAR MFG. SEMI-TRAILER0—No
Apr 19, 202481440191BOWMAN NDNDLevel 3POLAR MFG. SEMI-TRAILER0—No
Mar 26, 202481236246BOWMAN NDNDLevel 3POLAR MFG. SEMI-TRAILER1391.11(b)(5)Yes
Mar 18, 202481180508TILFORD SDUSLevel 1POLAR MFG. SEMI-TRAILER1395.8E-HOSPDNo
Feb 14, 202480910502UNDERWOOD NDNDLevel 2POLAR MFG. SEMI-TRAILER2393.75C-TAOTD-LT2/32, 393.45B2-BNo
Dec 14, 202380400303WIBAUX MTMTLevel 1PETERBILT TRUCK TRACTOR2393.47(e), 393.53B-BNo
Oct 25, 202380019389LEBANON SCALE SITESDLevel 2POLA SEMI-TRAILER0—No
Oct 9, 202379876679RoadsideSDLevel 2BEAL SEMI-TRAILER0—No
Sep 29, 202379821953RoadsideSDLevel 2PTRB STRAIGHT TRUCK0—No
Sep 19, 202379708701WIBAUX SCALEMTLevel 2INTL TRUCK TRACTOR1393.205(a)Yes
Jul 11, 202379137855RoadsideNDLevel 2INTL TRUCK TRACTOR5395.3(a)(3)(i), 392.2Yes
Jun 16, 202378937679SALEM RESTAREA EBSDLevel 2PTRB TRUCK TRACTOR2177.817(e), 172.602(c)(1)Yes
Jun 4, 202378938751LEBANON SCALESDLevel 2PTRB TRUCK TRACTOR0—No
May 2, 202378546278LEMMONSDLevel 2PTRB TRUCK TRACTOR0—No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

24 total · 4.2% OOS
2024-042026-02
InspectionsOOS

Most frequent inspection stations

WIBAUX MT7
WOLSEY SD3
TILFORD SD3
BOWMAN ND2 · 1 OOS
BUFFALO SD2
ABERDEEN SD2 · 1 OOS
BLUNT SD2
TILFORD SD2

Violations by BASIC category

Hours of Service10 · 1 OOS
Driver Fitness2 · 2 OOS
Unknown1

Recent Crashes

2 crash records from FMCSA Crash File

Total Crashes
2
Fatalities
0
Injuries
2
Across 2 crashes
Tow-Aways
2

Crash History (2 records)

fmcsa-crash-fileApr 5, 2026
Crash History (2 records)
DateStateSeverityFatalitiesInjuriesCityLocationVINCarrier Name at Crash
May 28, 2022SDINJURY01RURALI 90 W1...205184LOCKEN OIL LLC
Sep 28, 2009SDINJURY01————

Compliance Timeline

3 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

May 28, 2022
Crash
Injury crash in SD
0 fatalities, 1 injury
Apr 11, 2022
Insurance
Insurance term/repl
EMPLOYERS MUTUAL CASUALTY CO. • BIPD/Primary
Sep 28, 2009
Crash
Injury crash
0 fatalities, 1 injury

Related Records

Related records

StateAll entities in South Dakota
Browse carriers, brokers, and FFs in SD
CityEntities in ISABEL, SD
Browse by city
AuthorityMC-802520 Certificate
Contract Carrier — Download free PDF
Crashes2 crash records
FMCSA Crash File
Inspections36 inspection records
Full inspection history
StationWIBAUX MT
7 inspections at this station
StationWOLSEY SD
3 inspections at this station
StationTILFORD SD
3 inspections at this station
BOC-3 AgentPROCESS AGENT SERVICE COMPANY, INC.
Process agent on file
InsurerEMPLOYERS MUTUAL CASUALTY CO.
View all policies from this insurer
CertificatesAuthority Certificate Lookup
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RecallsRecalls & safety data
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Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026