Hi Stiggie, according to my I&T Shop Service Manual for 686 with D-310: Main Bearing torque specs: Marked 10K or 10-9 ... 80 ft-lbs Marked 12K or 12-9 ... 97 ft-lbs Marked 12.9 ... 140 ft-lbs Balance weight bolt... 57 ft-lbs Rod bolts ...... 63 ft-lbs
Head cap screws: 1st torque ... 50 ft-lbs 2nd torque ... 70 ft-lbs 3rd torque ... 90 ft-lbs Usual pattern starting from center of head working outward in both directions.
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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