1937 Caterpillar D6 Crawler Sled Pull Apache Junction, AZ 3-10-12

This '37 Cat D6 Crawler is powered by a 3-cylinder 45 hp diesel with a 5 3/4" bore and an 8" stroke. Shot at the 2012 Arizona Early Day Gas Engine & Tractor Assc. Show in Apache Junction, AZ. on 3-10-12.

[@lewiemcneely9143]

These old peck bucket sized piston rigs just lope along and sound like their on their last legs but instead of stopping, they just get LOUDER! The 7-E I ran was a 4 3/4 x 8 and it was a bugger bear. Good old long stroke big bore engines!

[@espeescotty]

Geeze, long stroke indeed!