Tractor Torque Specifications  

Manufacturer	Model	Cylinder Head	Connecting Rods	Front Main Bearing	Intermediate Main Bearings	Center and Rear Main Bearing	Other
International Harvester	Cub	50	20		60
International Harvester	A B C Super A	70	45		80
International Harvester	H W-4	75	45		80
International Harvester	M W-6	115	60		100
International Harvester	MD WD-6	130	115		5/8" bolt 170 3/4" bolt 270
International Harvester	W-40	70	60		80
International Harvester	W-9	165	90		130
International Harvester	WD-9	185	75		5/8" bolt 170 3/4" bolt 270
International Harvester	T-6	115	60		100		track plate 95
International Harvester	TD-6	130	115		5/8" bolt 170 3/4" bolt 270		track plate 95
International Harvester	T-35 T-40	70	60		80		track plate 145
International Harvester	T-9	165	90		130		track plate 145
International Harvester	TD-9	185	75		5/8" bolt 170 3/4" bolt 270		track plate 145
International Harvester	TD-14	210	75		270		track plate 215
International Harvester	TD-18	210	75		270		track plate 300
International Harvester	TD-24	270	75		270		track plate 490

  These values are in ft-lbs for new fasteners with clean threads.  Old or damaged fasteners or worn threads may not with stand the recommended torque. Be sure to torque in an even sequence starting at the center and working outward. The information is from a 1951 tractor service guide.  Klossner@antiquetractors.com  Return to the Index