ClipArt ETC
A four-horse gang plow. One man can plow nearly as fast as two ment with two-horse plows.

Four-Horse Gang Plow

A four-horse gang plow. One man can plow nearly as fast as two ment with two-horse plows.

This gang plow is a combination of two plows in one frame.

Multiple Drum Gang Plow

This gang plow is a combination of two plows in one frame.