Caterpillar this week reported a continued decline in the sale of marine engines.

Sales for April, when compared to the same month of last year, were down 35 percent. The engine manufacturer also reported double-digit declines in February and March.

Sales were down in April for all segments, except for industrial, which saw a 5 percent increase compared to April 2009.

Caterpillar also reported sales declines in most regions, except for the Asian Pacific, which reported a 13 percent increase last month.