Property, Plant and Equipment

12 Months Ended

Mar. 31, 2011

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

8. Property, Plant and Equipment

The major classes of property, plant and equipment at March 31, 2011 and 2010, are as follows:

							Thousands of
	Millions of yen						U.S. dollars
	2011			2010			2011
Land	¥	95,409		¥	92,355		$	1,149,506
Buildings		337,619			329,554			4,067,699
Machinery and equipment		694,507			710,511			8,367,554
Construction in progress		20,220			24,653			243,614
Total		1,147,755			1,157,073			13,828,373
Less: accumulated depreciation		(639,368	)		(631,973	)		(7,703,229	)
Net property, plant and equipment	¥	508,387		¥	525,100		$	6,125,144

For the fiscal year ended March 31, 2011, Komatsu recognized a damaged loss of ¥1,217 million related to property, plant and equipment within the construction, mining and equipment segment as the result of the Great East Japan Earthquake.