Freight Carrier · Mercer, MO
REX LEE SIEMER TRUCKING LLC
14603 US HWY 65 · Mercer, MO 64661-9705
AUTHORIZED FOR:
(660) 382-4665
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- MC #384420
- USDOT #637791 USDOT Active
- 17Power Units
- 9Drivers
- CarrierEntity Type
About this carrier
REX LEE SIEMER TRUCKING LLC is a Mercer, MO freight carrier that is authorized for: in the state of Missouri. This company has 17 truck(s) in their fleet and 9 truck drivers. Their motor carrier number is MC-384420 and their USDOT number is 637791.
Sourced from FMCSA SAFER · last filed 02/18/2026 · last updated Jul 1, 2026.Carrier Details
- Operating Status AUTHORIZED FOR:
- MCS-150 Filed 02/18/2026
- MCS-150 Mileage 879,684 (2024)
Authority & Operations
Operation Classification
- Authorized for Hire
Carrier Operation
- Interstate
Cargo Authorized
- General Freight
- Logs, Poles, Beams, Lumber
- Fresh Produce
- Livestock
- Grain, Feed, Hay
- Meat
- Commodities Dry Bulk
- Refrigerated Food
- Agricultural / Farm Supplies
Operating Territory
Inspection activity Inspected in 5 states over the past 24 months: IA (5), MO (3), WI (3), KS (2), IL (1). Home base: Mercer, Missouri.
Safety Record
Crashes (24 mo)
-
0Fatal
- 1Injury
- 1Tow
- 2Total
Behavior Categories (BASICs)
CategoryMeasureViolations
Unsafe Driving
2.52
3
Crash Indicator
Not Public
—
Hours of Service
0.67
1
Vehicle Maintenance
14.33
5
Drugs / Alcohol
0
0
Hazmat
Not Public
—
Driver Fitness
1.61
2
Inspection Summary
- 14Total
- 5Clean
- 9With violations
24-month window ending Jun 26, 2026
Violations Cited 20 unique codes
Critical 7
- 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS
- 383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDL
- 383.23(a)(2)Operating a CMV without a CDL
- 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on
- 395.8A1-HOSPHOS (Property) - Failing to have a record of duty status using the method prescribed
- 393.45(b)(2)Brake hose or tubing chafing and/or kinking
- 393.51C-BAPGAir Brake - Inoperative/defective primary or secondary pressure gauge
Unsafe Driving 3
- 392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit
- 392.2-SLLTCDState/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other
- 392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit
Vehicle Maintenance 10
- 393.9A-LRLILighting - Tail lamp - Any inoperative
- 392.7A-DDriver - Failed to conduct pre-trip inspection or make use of required parts and accessories
- 393.45D-BAir Brake - Audible air leak at a proper connection
- 393.55C2-BAir Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault.
- 393.55D1-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998.
- 393.11B-CSSRRConspicuity Systems - Trailers, side retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993
- 393.11A1-LILLighting - Identification lamp(s) missing
- 393.9A-LILLighting - Identification lamp(s) inoperative
- 393.9A-LLPLLighting - License plate lamp inoperative
- 393.78Wipers - Inoperative / missing / damaged wipers
Locations
Physical Address
REX LEE SIEMER TRUCKING LLC14603 US HWY 65
MERCER, MO 64661-9705
Mailing Address
Same as physical.