The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2022
Check here if Amendment   Amendment Number:
This Amendment (Check only one.):   is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: SOUTHERNSUN ASSET MANAGEMENT, LLC
Address: 240 Madison Avenue
Suite 800
Memphis , TN38103
Form 13F File Number: 028-03489

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: W. Bradley Clayton
Title: Senior Compliance Officer
Phone: 901-341-2700
Signature, Place, and Date of Signing:
/s/ W. Bradley Clayton Memphis , TN 08-12-2022
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
  13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 27
Form 13F Information Table Value Total: 806,670
(thousands)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No. Form 13F File Number Name


SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AGCO Corp. COM 001084102 35,770 362,415 SH SOLE 329,410 0 33,005
Armstrong World Industries Inc COM 04247X102 8,087 107,880 SH SOLE 67,838 0 40,042
Belden Inc COM 077454106 21,861 410,384 SH SOLE 407,783 0 2,601
Broadridge Financial Solutions COM 11133T103 10,761 75,487 SH SOLE 46,870 0 28,617
Clean Harbors Inc. COM 184496107 17,928 204,498 SH SOLE 203,453 0 1,045
CMC Materials Inc COM 12571T100 40,330 231,130 SH SOLE 205,191 0 25,939
Crane Holdings COM 224441105 40,111 458,099 SH SOLE 412,764 0 45,335
Darling Ingredients Inc. COM 237266101 55,043 920,450 SH SOLE 833,368 0 87,082
Dorman Products Inc COM 258278100 35,844 326,713 SH SOLE 324,603 0 2,110
Dycom Industries Inc COM 267475101 59,304 637,406 SH SOLE 577,073 0 60,333
Enerpac Tool Group COM 292765104 32,422 1,704,606 SH SOLE 1,693,700 0 10,906
IDEX Corp. COM 45167R104 8,306 45,730 SH SOLE 28,752 0 16,978
Ingevity Corp COM 45688C107 29,615 469,032 SH SOLE 466,067 0 2,965
Malibu Boats Inc COM 56117J100 22,909 434,618 SH SOLE 431,832 0 2,786
MGP Ingredients Inc COM 55303J106 40,232 401,963 SH SOLE 399,426 0 2,537
Murphy USA Inc. COM 626755102 44,507 191,123 SH SOLE 170,968 0 20,155
Polaris Inc. COM 731068102 43,739 440,567 SH SOLE 397,902 0 42,665
SEI Investments Co COM 784117103 6,294 116,516 SH SOLE 58,772 0 57,744
Stepan Co COM 858586100 35,825 353,481 SH SOLE 351,241 0 2,240
The Boston Beer Co Inc COM 100557107 27,322 90,180 SH SOLE 77,489 0 12,691
The Brink's Co. COM 109696104 47,038 774,800 SH SOLE 702,419 0 72,381
Thor Industries Inc. COM 885160101 35,691 477,600 SH SOLE 425,327 0 52,273
Timken Co. COM 887389104 44,582 840,370 SH SOLE 761,257 0 79,113
Univar Solutions USA Inc. COM 91336L107 41,716 1,677,346 SH SOLE 1,512,633 0 164,713
Watsco Inc COM 942622200 9,241 38,694 SH SOLE 24,351 0 14,343
Western Union Co. COM 959802109 5,742 348,608 SH SOLE 219,413 0 129,195
WestRock Co COM 96145D105 6,451 161,930 SH SOLE 102,845 0 59,085