TECHNICAL DATA
Torque Specifications
Engine crankshaft bolt | 50 ft/lb (67 Nm) | Standard 5/16" fasteners | 18 ft/lb (25 Nm) |
Deck pulley bolts | 150 ft/lb (203 Nm) | Standard 3/8" fasteners | 33 ft/lb (44 Nm) |
Lug nuts | 75 ft/lb (100 Nm) | Standard 7/16" fasteners | 52 ft/lb (70 Nm) |
Blade bolt | 90 ft/lb (122 Nm) | Standard ½” fasteners | 80 ft/lb (110 Nm) |
Standard ¼" fasteners | 9 ft/lb (12 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
thread) | ft./lbs | |
¼ | ||
| ||
coarse | 5/16 | |
3/8 | ||
fine or | ||
7/16 | ||
inches, | ½ | |
| ||
| /16 | |
in | 9 | |
(Diameter | 5/8 | |
| ||
Size | ¾ | |
7/8 | ||
Shank | ||
11/8 |
SAE Grade 5 | SAE Grade 8 | Flangelock Screw | ||||||
|
|
|
|
|
| w/Flangelock Nut | ||
ft./lbs |
| Nm | ft./lbs |
| Nm | ft./lbs |
| Nm |
|
|
| ||||||
9 |
| 12 | 13 |
| 18 |
|
|
|
18 |
| 24 | 28 |
| 38 | 24 |
| 33 |
31 |
| 42 | 46 |
| 62 | 40 |
| 54 |
50 |
| 68 | 75 |
| 108 |
|
|
|
75 |
| 102 | 115 |
| 156 |
|
|
|
110 |
| 150 | 165 |
| 224 |
|
|
|
150 |
| 203 | 225 |
| 305 |
|
|
|
250 |
| 339 | 370 |
| 502 |
|
|
|
378 |
| 513 | 591 |
| 801 |
|
|
|
782 |
| 1060 | 1410 |
| 1912 |
|
|
|
|
|
|
|
|
|
|
|
|
** Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
Grade
Shank Size (Diameter in millimeters, fine or coarse thread)
ft./lbs
M4
M5
M6
M7
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
Grade 8.8 |
| Grade 10.9 | Grade 12.9 | |||
|
|
|
|
|
| |
ft./lbs |
| Nm | ft./lbs | Nm | ft./lbs | Nm |
1.5 |
| 2 | 2.2 | 3 | 2.7 | 3.6 |
3 |
| 4 | 4.5 | 6 | 5.2 | 7 |
5.2 |
| 7 | 7.5 | 10 | 8.2 | 11 |
8.2 |
| 11 | 12 | 16 | 15 | 20 |
13.5 |
| 18 | 18.8 | 25 | 21.8 | 29 |
24 |
| 32 | 35.2 | 47 | 43.5 | 58 |
43.5 |
| 58 | 62.2 | 83 | 75 | 100 |
70.5 |
| 94 | 100 | 133 | 119 | 159 |
108 |
| 144 | 147 | 196 | 176 | 235 |
142 |
| 190 | 202 | 269 | 242 | 323 |
195 |
| 260 | 275 | 366 | 330 | 440 |
276 |
| 368 | 390 | 520 | 471 | 628 |
353 |
| 470 | 498 | 664 | 596 | 794 |
530 |
| 707 | 474 | 996 | 904 | 1205 |
|
|
|
|
|
|
|
51