Massey Ferguson 6400 - Issue 4.b
1C10.7
Miscellaneous
Table 3: Tightening torque values. Zinc-plated inch system threads
Nominal
dimension d
Tensile grade Tensile grade
SAE 5 (ISO 8.8, BS S) SAE 8 (ISO 10.9, BS V)
Torque Nm Torque Nm
Min Max Min Max
#61.82.423.3
#83.44.446.3
#10 4.7 6.3 6 8.9
1/411151622
5/16 22 30 31 43
3/839535575
7/16 64 86 90 120
1/2 100 130 140 180
5/8 200 260 280 370
3/4 350 460 490 660
7/8 560 760 800 1060
1 840 1120 1200 1600
1 1/8 1050 1390 1700 2200
1 1/4 1500 2000 2400 3200
1 1/2 2600 3400 4100 5400
Table 4: Reduced tightening torque values. Inch-system threads
Nominal
dimension d
Tensile grade Tensile grade
SAE 5 (ISO 8.8, BS S) SAE 8 (ISO 10.9, BS V)
Torque Nm Torque Nm
Min Max Min Max
#61.51.922.6
#8 2.7 3.5 3 5
#103.85 57.1
1/4 8.8 12 13 18
5/16 18 24 25 34
3/831424460
7/16 51 69 72 96
1/2 80 104 110 140
5/8 160 210 220 300
3/4 280 370 390 530
7/8 450 610 640 850
1 670 900 960 1280
1 1/8 8400 1100 1360 1760
1 1/4 1200 1600 1920 2560
1 1/2 2100 2700 3280 4320
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