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TECHNICAL DATA
Accessories
Collection system
Torque Specifications
Engine crankshaft bolt | 50 ft/lb (67 Nm) | Standard ¼" fasteners | 9 ft/lb (12 Nm) |
Deck pulley bolts | 150 ft/lb (203 Nm) | Standard 5/16" fasteners | 18 ft/lb (25 Nm) |
Lug nuts | 75 ft/lb (100 Nm) | Standard 3/8" fasteners | 33 ft/lb (44 Nm) |
Blade bolt | 90 ft/lb (122 Nm) | Standard 7/16" fasteners | 52 ft/lb (70 Nm) |
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| 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 | ||
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| ft./lbs | ft./lbs | Nm | ft./lbs | Nm | ft./lbs | Nm |
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thread) |
| ¼ | 9 | 12 | 13 | 18 |
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| 5/16 | 18 | 24 | 28 | 38 | 24 | 33 | |
coarse |
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| 3/8 | 31 | 42 | 46 | 62 | 40 | 54 | |
or |
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| 7/16 | 50 | 68 | 75 | 108 |
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fine |
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in inches, |
| ½ | 75 | 102 | 115 | 156 |
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| 9/16 | 110 | 150 | 165 | 224 |
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(Diameter |
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| 5/8 | 150 | 203 | 225 | 305 |
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Size |
| ¾ | 250 | 339 | 370 | 502 |
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| 7/8 | 378 | 513 | 591 | 801 |
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Shank |
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| 11/8 | 782 | 1060 | 1410 | 1912 |
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** Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
Shank Size (Diameter in millimeters, fine or coarse thread)
| Grade | Grade 8.8 |
| Grade 10.9 |
| Grade 12.9 |
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| ft./lbs |
| ft./lbs |
| Nm | ft./lbs |
| Nm | ft./lbs |
| Nm |
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| 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 |
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