The Caterpillar D2 is a crawler tractor manufactured by Caterpillar. It was introduced in 1938 and was the smallest diesel powered track-type tractor manufactured by Caterpillar. This unit was the first year of production SN 3J176. Rubber pads have been added to the tracks to make it more "road friendly". This unit has been in a museum for several years in excellent condition. Photo documentation of the repairs and restoration are included. NO SHIPPING ON THIS ITEM. Pick up only at Great Bend, Kansas Please read term and conditions before you bid. go to https://www.bbauctionks.com/pickle-1 to check it out. Questions? Call Brian at 620 617 6649