Exhibit 12.1

ALTRA HOLDINGS, INC.
RATIO OF EARNINGS TO FIXED CHARGES

	3 Months ended		3 Months ended		Year-ended			Year-ended			Year-ended		Year-ended		Year-ended
	4/3/2010		3/31/2009		12/31/09			12/31/08			12/31/07		12/31/06		12/31/05
Net income (loss)		5,739		1,418		(2,314	)		6,494			11,511		10,363		4,444
Adjustments to net income (loss):
(Gain) loss from discontinued operations		—		—					(224	)		2,001		—		—
Interest expense		4,940		6,349		32,976			28,339			38,554		23,522		17,065
Interest component of operating rental expense		96		110		288			437			356		528		344
Income taxes		2,632		883		(2,314	)		16,731			8,208		6,352		3,917
Earnings		13,407		8,760		28,636			51,777			60,630		40,765		25,770
Fixed charges:
Interest expense, net		4,940		6,349		32,976			28,339			38,554		23,522		17,065
Interest component of operating rental expense (see calculation below)		96		110		288			437			356		528		344
Total fixed charges		5,036		6,459		33,264			28,776			38,910		24,050		17,409
Ratio (1) (2)		2.66		1.36		—			1.80			1.56		1.70		1.48

( 1 )	For purposes of calculating the ratio of earnings to fixed charges, earnings represent income before income taxes, discontinued operations, cumulative effect of change in accounting principle charges and fixed charges. Fixed charges represent interest expense and a portion of rental expense which we believe is representative of the interest component of rental expense.
( 2 )	Earnings were insufficient to cover fixed charges in the year ended December 31, 2009 by $4.6 million.