TruckCodex

393.71H10-CDDSDM — Fifth wheel defective

FMCSA violation code under Vehicle Maintenance. 713 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
713
Code
393.71H10-CDDSDM
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
713
Carriers Cited
599

Violation Description

Fifth wheel assembly on commercial motor vehicle is defective, has excessive wear, or is not properly secured.

About This Violation Code

Code 393.71H10-CDDSDM falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (scale 1-10, higher = more severe).

When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.

Regulatory Reference

Federal Motor Carrier Safety Regulations

This violation references 49 CFR 393.71H10 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
713
OOS Events
709
OOS Rate
99.4%
Top State (180d)
Maryland
84 events

Top Enforcing States

Where 393.71H10-CDDSDM is most commonly cited (last 180 days)

1.Maryland
84
OOS 100.0%
2.Ohio
22
OOS 100.0%
3.Tennessee
19
OOS 100.0%
4.Kansas
17
OOS 100.0%
5.Florida
14
OOS 100.0%
6.Georgia
11
OOS 100.0%
7.Connecticut
11
OOS 100.0%
8.California
11
OOS 100.0%
9.Massachusetts
10
OOS 90.0%
10.Washington
7
OOS 100.0%
11.New York
7
OOS 100.0%
12.Pennsylvania
7
OOS 100.0%
13.Missouri
3
OOS 100.0%
14.Wisconsin
2
OOS 100.0%
15.South Carolina
2
OOS 100.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.71H10-CDDSDM citations. Red bars mark months with OOS-triggering citations.

16
Apr
40
May
30
Jun
36
Jul
36
Aug
48
Sep
39
Oct
43
Nov
38
Dec
44
Jan
50
Feb
42
Mar

Most Active Stations

Inspection stations citing 393.71H10-CDDSDM most often (last 180 days)

1.BALTIMORE MD
17
OOS 100.0%
2.GAITHERSBURG MD
10
OOS 100.0%
3.MEMPHIS TN
9
OOS 100.0%
4.WALDORF MD
8
OOS 100.0%
5.WHITE MARSH MD
6
OOS 100.0%
6.KANSAS CITY KS
5
OOS 100.0%
7.DARLINGTON MD
4
OOS 100.0%
8.WICHITA KS
4
OOS 100.0%
9.PERRYVILLE MD
4
OOS 100.0%
10.UPPER MARLBORO MD
4
OOS 100.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

393.17B2-LTSDM39 co-occurrences393.9A-LTSI35 co-occurrences393.17A1-LSLDMWR28 co-occurrences396.17C-PI18 co-occurrences393.11A1-LTSM17 co-occurrences392.2-SLLSR16 co-occurrences391.41APC16 co-occurrences393.9A-LSLIWR13 co-occurrences395.30B1-ELDDFR13 co-occurrences393.128B-CLWV12 co-occurrences

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 599 carriers total • Page 1 of 24

Top Carriers with 393.71H10-CDDSDM Violations

Showing 25 of 599

fmcsa-violations
Top Carriers with 393.71H10-CDDSDM Violations
#CarrierUSDOT# Violations
#1HWS LLC14350148
#2SILVER SPRING TOWING & RECOVERY LLC12042487
#3METRO INVESTIGATION & RECOVERY SOLUTIONS INC22537125
#4UAR DIRECT LLC9093715
#5FRANKFORD TOWING INC10315714
#6ETC RECOVERY INC25970694
#7ROADSIDE TOWING & RECOVERY CORP34578024
#8M & M RECOVERY AND TOWING LLC30959124
#9PLATINUM AUTO & TRUCK CENTER LLC31676754
#10TOWZILLA LLC38550363
#11HARBOR TOWING INC22509833
#12PB&J TOWING SVC I & II LLC20065413
#13K & D TOWING SERVICE INC8072053
#14DLH AUTO LLC26356633
#15SOURCE ONE ADJUSTERS OF OHIO INC28243363
#16PRESTIGE AUTOW LLC40772083
#17M23 TOWING LLC38307803
#18PRECISION TOWING AND TRANSPORTING LLC31402453
#19ADVANTAGE WRECKER AND ROADSIDE ASSISTANCE LLC33852622
#20EZ TOWING LLC24335862
#21H & H AUTOBODY & TOWING LLC23883402
#22LARRY W ALEXANDER JR25749152
#23DEZBA ASSET RECOVERY INC14526482
#24COASTAL TOWING & RECOVERY39817552
#25PAGANOS LLC33401242

Recent Inspections

Latest inspections where 393.71H10-CDDSDM was cited • 713 total events • Page 1 of 29

Recent Inspections with 393.71H10-CDDSDM

Showing 25 of 713

fmcsa-inspections
Recent Inspections with 393.71H10-CDDSDM
DateReport #StateLevelOOS
Mar 31, 202687474281PALevel 1Yes
Mar 27, 202687412770CTLevel 2Yes
Mar 26, 202687474153MDLevel 2Yes
Mar 26, 202687427873TNLevel 2Yes
Mar 25, 202687416579MDLevel 2Yes
Mar 25, 202687416755MDLevel 2Yes
Mar 24, 202687401506KSLevel 1Yes
Mar 23, 202687388808KSLevel 1Yes
Mar 20, 202687370334MALevel 2Yes
Mar 20, 202687370353MALevel 2Yes
Mar 20, 202687346297CALevel 1Yes
Mar 19, 202687348243KSLevel 1Yes
Mar 19, 202687346786VALevel 2Yes
Mar 19, 202687348314MDLevel 2Yes
Mar 19, 202687349331FLLevel 1Yes
Mar 18, 202687338797MDLevel 2Yes
Mar 18, 202687380931MDLevel 2Yes
Mar 17, 202687319832OHLevel 2Yes
Mar 17, 202687350151MDLevel 1Yes
Mar 17, 202687344187PALevel 1Yes
Mar 17, 202687319708MDLevel 2Yes
Mar 17, 202687328551FLLevel 1Yes
Mar 13, 202687292687FLLevel 2Yes
Mar 12, 202687281401OHLevel 2Yes
Mar 12, 202687283254MALevel 2Yes

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness

Related records

CategoryAll Vehicle Maintenance Violations
Browse all violation codes in the Vehicle Maintenance BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
Inspection levels and procedures
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