• Where tractor manufacturers specify the use of a THF type product
• Mixed fleets of agricultural tractors and associated equipment
• Automotive manual transmissions and gear boxes
• Mobile hydraulic system
• Enclosed oil immersed (wet) brakes
• Power take off (PTO) clutches.

• John Deer J120A
• Ford New Holland M2C86B
• Massey Ferguson M1135
• J.I.Case MS1205
• Allison C-3, Caterpillar TO-2