SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

(RULE 13D-102)

INFORMATION STATEMENT PURSUANT TO RULE 13D-1

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO. 1)

Kadant Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

48282T104

                                (CUSIP Number)                                

December 31, 2005

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

¨ Rule 13d-1(c)

¨ Rule 13d-1(d)

CUSIP No. 48282T104 Page 1 of 7 Pages

1)	Names of Reporting Persons IRS Identification No. Of Above Persons             The PNC Financial Services Group, Inc.             25-1435979
2)	Check the Appropriate Box if a Member of a Group (See Instructions) a)  ¨ b)  ¨
3)	SEC USE ONLY
4)	Citizenship or Place of Organization             Pennsylvania

Number of Shares Beneficially Owned By Each Reporting Person With   5)    Sole Voting Power                 1,217,320   6)    Shared Voting Power                 -0-   7)    Sole Dispositive Power                 1,216,890   8)    Shared Dispositive Power                 12

9)	Aggregate Amount Beneficially Owned by Each Reporting Person             1,217,320
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9)             8.86
12)	Type of Reporting Person (See Instructions)             HC

CUSIP No. 48282T104 Page 2 of 7 Pages

1)	Names of Reporting Persons IRS Identification No. Of Above Persons             PNC Bancorp, Inc.             51-0326854
2)	Check the Appropriate Box if a Member of a Group (See Instructions) a)  ¨ b)  ¨
3)	SEC USE ONLY
4)	Citizenship or Place of Organization             Delaware

Number of Shares Beneficially Owned By Each Reporting Person With   5)    Sole Voting Power                 1,217,320   6)    Shared Voting Power                 -0-   7)    Sole Dispositive Power                 1,216,890   8)    Shared Dispositive Power                 12

9)	Aggregate Amount Beneficially Owned by Each Reporting Person             1,217,320
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9)             8.86
12)	Type of Reporting Person (See Instructions)             HC

CUSIP No. 48282T104 Page 3 of 7 Pages

1)	Names of Reporting Persons IRS Identification No. Of Above Persons             PNC Bank, National Association             22-1146430
2)	Check the Appropriate Box if a Member of a Group (See Instructions) a)  ¨ b)  ¨
3)	SEC USE ONLY
4)	Citizenship or Place of Organization             United States

Number of Shares Beneficially Owned By Each Reporting Person With   5)    Sole Voting Power                 2,720   6)    Shared Voting Power                 -0-   7)    Sole Dispositive Power                 -0-   8)    Shared Dispositive Power                 12

9)	Aggregate Amount Beneficially Owned by Each Reporting Person             2,720
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9)             0.02
12)	Type of Reporting Person (See Instructions)             BK

CUSIP No. 48282T104 Page 4 of 7 Pages

1)	Names of Reporting Persons IRS Identification No. Of Above Persons             BlackRock Advisors, Inc.             23-2784752
2)	Check the Appropriate Box if a Member of a Group (See Instructions) a)  ¨ b)  ¨
3)	SEC USE ONLY
4)	Citizenship or Place of Organization             Delaware

Number of Shares Beneficially Owned By Each Reporting Person With   5)    Sole Voting Power                 1,214,600   6)    Shared Voting Power                 -0-   7)    Sole Dispositive Power                 1,214,600   8)    Shared Dispositive Power                 -0-

9)	Aggregate Amount Beneficially Owned by Each Reporting Person             1,214,600
10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares See Instructions	¨
11)	Percent of Class Represented by Amount in Row (9)             8.84
12)	Type of Reporting Person (See Instructions)             IA

Page 5 of 7 Pages

ITEM 1	(a) -	NAME OF ISSUER: Kadant Inc.
ITEM 1	(b) -	ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES: One Acton Place, Suite 202 Acton, Massachusetts 01720
ITEM 2	(a) -	NAME OF PERSON FILING: The PNC Financial Services Group, Inc.; PNC Bancorp, Inc.; PNC Bank, National Association; and BlackRock Advisors, Inc.
ITEM 2	(b) -	ADDRESS OF PRINCIPAL BUSINESS OFFICE: The PNC Financial Services Group, Inc. - One PNC Plaza, 249 Fifth Avenue, Pittsburgh, PA 15222-2707 PNC Bancorp, Inc. - 300 Delaware Avenue, Suite 304, Wilmington, DE 19801 PNC Bank, National Association - One PNC Plaza, 249 Fifth Avenue, Pittsburgh, PA 15222-2707 BlackRock Advisors, Inc. - 100 Bellevue Parkway, Wilmington, DE 19809
ITEM 2	(c) -	CITIZENSHIP: The PNC Financial Services Group, Inc. - Pennsylvania PNC Bancorp, Inc. - Delaware PNC Bank, National Association - United States BlackRock Advisors, Inc. - Delaware
ITEM 2	(d) -	TITLE OF CLASS OF SECURITIES: Common
ITEM 2	(e) -	CUSIP NUMBER: 48282T104
ITEM 3 -	IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b), CHECK WHETHER THE PERSON FILING IS A:
	(a)	¨	Broker or dealer registered under Section 15 of the Exchange Act;
	(b)	x	Bank as defined in Section 3(a)(6) of the Exchange Act;
	(c)	¨	Insurance Company as defined in Section 3(a)(19) of the Exchange Act;
	(d)	¨	Investment Company registered under Section 8 of the Investment Company Act;
	(e)	x	An Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
	(f)	¨	An Employee Benefit Plan or Endowment Fund in accordance with Rule 13d-1(b)(1)(ii)(F);
	(g)	x	A Parent Holding Company or Control Person in accordance with Rule 13d-1(b)(1)(ii)(G);
	(h)	¨	A Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act;
	(i)	¨	A Church Plan that is excluded from the definition of an Investment Company under Section 3(c)(14) of the Investment Company Act;
	(j)	¨	Group, in accordance with Rule 13d(b)(1)(ii)(J).
	If this statement is filed pursuant to Rule 13d-1(c), check this box. ¨

Page 6 of 7 Pages

ITEM 4 -	OWNERSHIP:
	The following information is as of December 31, 2005:
	(a)	Amount Beneficially Owned: 1,217,320 shares*
	(b)	Percent of Class: 8.86
	(c)	Number of shares to which such person has:
		(i)	sole power to vote or to direct the vote 1,217,320
		(ii)	shared power to vote or to direct the vote -0-
		(iii)	sole power to dispose or to direct the disposition of 1,216,890
		(iv)	shared power to dispose or to direct the disposition of 12
* Of the total shares reported herein, 2,720 shares are held in accounts at PNC Bank, National Association in a fiduciary capacity.
ITEM 5 -	OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: Not Applicable.
ITEM 6 -	OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: Not Applicable.
ITEM 7 -	IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:
	Included are the following subsidiaries of The PNC Financial Services Group, Inc. - HC:
	PNC Bancorp, Inc. - HC (wholly owned subsidiary of The PNC Financial Services Group, Inc.)
	PNC Bank, National Association - BK (wholly owned subsidiary of PNC Bancorp, Inc.)
	BlackRock Advisors, Inc. - IA (indirect subsidiary of PNC Bancorp, Inc.)
ITEM 8 -	IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not Applicable.
ITEM 9 -	NOTICE OF DISSOLUTION OF GROUP: Not Applicable.
ITEM 10 -	CERTIFICATION:
	By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Page 7 of 7 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 10, 2006
Date
By:	/s/ Joan L. Gulley
Signature - The PNC Financial Services Group, Inc.
Joan L. Gulley, Vice President
Name & Title
February 10, 2006
Date
By:	/s/ Maria C. Schaffer
Signature - PNC Bancorp, Inc.
Maria C. Schaffer, Executive Vice President
Name & Title
February 10, 2006
Date
By:	/s/ Joan L. Gulley
Signature - PNC Bank, National Association
Joan L. Gulley, Executive Vice President
Name & Title
February 10, 2006
Date
By:	/s/ Robert S. Kapito
Signature - BlackRock Advisors, Inc.
Robert S. Kapito, Vice Chairman
Name & Title

AN AGREEMENT TO FILE A JOINT STATEMENT

WAS PREVIOUSLY FILED AS EXHIBIT A TO SCHEDULE 13G