Had a 686 with the d312 an early one that had the same engine as the 666
Great engine and great tractor it's almost the last of the farmall M which is its great grandfather. Rear wheels from an m will fit on the rear axles. This tractor has had some significant modifications from the m - much stronger - and all the kinks were worked out long ago
The 312 is in the melrose family of engines wet sleeved just like its the popular big brother 414/436/466 used in a lot of ih tractors and trucks
Make sure you have the coolant additive in it as it has the same cavitation issue as the others
Rebuild is about 2500 in parts and you basically get a new engine. A little higher than the rest as it wasn't widely used but still a great engine
Rock solid. Great hydraulics, independent PTO, power steering, torque amplifier (now called power shift) and good ergonomics. Better then some of the newer tractors . It was however consider a dated model I guess 40 years on the same design gets old but it did have many many positive improvements over time
Only issue is the wet sleeve cavatation issue but if its had the additive all its life your ok. Absent the cavitation issue its still being broken in lot of hours to go
After 30 years I no longer had a Need for it and traded it in
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
