Hi I have for sale a 1952 HT4 in good working condition. New rebuild on pony motor I have all the receipts to show . Documented on this site. Located in western Montana (Stevensville) Machine has about 3800 hours on the meter. it has been completely serviced and clutch adjusted. I Cleaned out the fuel tank it has all new filters. Pins and bushings are in good condition. look on You Tube (Caterpillar d4 ht4) by jesse reeves and (Caterpillar d4 ht4 warmed up) 3450.00 thanks, Jesse. It comes with all the books even the operators manual for the loader