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TECHNICAL DATA
Engine crankshaft bolt 75 ft/lb (100 Nm)
Deck pulley bolts 75 ft/lb (100 Nm)
Lug nuts 75 ft/lb (100 Nm)
Blade bolt 55 ft/lb (75 Nm)
Standard ¼" fasteners 9 ft/lb (12 Nm)
Standard
5
/16" fasteners 18 ft/lb (25 Nm)
Standard
3
/8" fasteners 33 ft/lb (44 Nm)
Standard
7
/16" fasteners 52 ft/lb (70 Nm)
Standard ½" fasteners 80 ft/lb (110 Nm)
HEX HEAD CAP SCREWS
The torque values shown should be used as a general guideline when specific torque values are not given.
U.S. Standard Hardware
Grade
SAE Grade 5 SAE Grade 8 Flangelock Screw
w/Flangelock Nut
Size ft./lbs Nm ft./lbs Nm ft./lbs Nm
Shank Size (Diameter in inches, fine or
coarse thread)
¼ 9 12 13 18
5
/16 18 24 28 38 24 33
3
/8 31 42 46 62 40 54
7
/16 50 68 75 108
½ 75 102 115 156
9
/16 110 150 165 224
5
/8 150 203 225 305
¾ 250 339 370 502
7
/8 378 513 591 801
11
/8 782 1060 1410 1912
** Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
Grade Grade 8.8 Grade 10.9 Grade 12.9
Size ft./lbs Nm ft./lbs Nm ft./lbs Nm
Shank Size (Diameter in inches, fine or coarse thread)
M4 1.5 2 2.2 3 2.7 3.6
M5 3 4 4.5 6 5.2 7
M6 5.2 7 7.5 10 8.2 11
M7 8.2 11 12 16 15 20
M8 13.5 18 18.8 25 21.8 29
M10 24 32 35.2 47 43.5 58
M12 43.5 58 62.2 83 75 100
M14 70.5 94 100 133 119 159
M16 108 144 147 196 176 235
M18 142 190 202 269 242 323
M20 195 260 275 366 330 440
M22 276 368 390 520 471 628
M24 353 470 498 664 596 794
M27 530 707 474 996 904 1205
Accessories
Collection system, mulch kit
Torque Specifications