1949 D7 caterpillar. Very clean and straight tractor. New seat cushions. Bought new from Foley caterpillar in Dodge city by a farmer in Bucklin. It pulled two 15 foot one-way plows. No hydraulics on the tractor  or one ways. It has a very good undercarriage. Never had a dozer blade on it. There is an aftermarket cab that goes with it. I have new glass windows for the cab, I just never put them in and put the cab back on the tractor. This is the original cab for the tractor. Caterpillar never made a cab in 1949.  You can only buy an aftermarket cab. I had the heads worked over at Foley in Dodge city. Valves ground and new pre-combustion chambers. Overhauled the bottom of the starting engine one year ago. It starts very easy with a quarter pull on the handcrank. The diesel engine starts very easy and runs great as you will see on the video. Steering clutches and brakes are working very easy. No problem with turning. This is a very nice tractor for $7500