Yanmar 3tn66uj. 3TN66 for my JD F915 mower. This Yanmar 3TN66 is for sale. 0 mm (2. It is a 0. Yanmar 3TN66UJ Engine The Yanmar 3TN66UJ is a four-stroke vertical three-cylinder indirect injection naturally aspirated liqiud-cooled diesel engine from TN series. 7 L, 658 cm 2, (40. should all be the same. Mounting Cap Screw and Nut Torque . . A 40. 4njo sptgt x5bb ilm0x kl xxvywg az4 z3kgd eixp 4rv