ENGINE SPECIFICATIONS (Cont’d)
741,742,743&743DSServiceManual#6566109–SpecificationsSectionPart3of5
Engine Bolt Torques (Cont’d)
MATERIAL GRADE
STANDARD BOLT
SPECIAL BOLT
SPECIAL BOLT
NOMINAL DIAMETER
SS42, S20C
S43C, S48C (Refined)
SCR3, SCM3 (Refined)
M6
5.8 to 6.9 ft.–lbs. (7.8 to 9.3 Nm)
7.2 to 8.3 ft.–lbs. (9.8 to 11.3 Nm)
9.0 to 10.5 ft.–lbs. (12.3 to 14.2 Nm)
M8
13.0 to 15.2 ft.–lbs. (17.7 to 20.6 Nm)
17.4 to 20.3 ft.–lbs. (23.5 to 27.5 Nm)
21.7 to 25.3 ft.–lbs. (29.4 to 34.3 Nm)
M10
28.9 to 33.3 ft.–lbs. (39.2 to 45.1 Nm)
35.4 to 41.2 ft.–lbs. (48.0 to 56.3 Nm)
44.8 to 52.1 ft.–lbs. (60.8 to 70.6 Nm)
M12
46.3 to 53.5 ft.–lbs. (62.8 to 72.6 Nm)
57.1 to 66.5 ft.–lbs. (77.5 to 90.2 Nm)
75.9 to 86.8 ft.–lbs. (103.0 to 117.7 Nm)
M14
79.6 to 92.6 ft.–lbs. (107.9 to 125.5 Nm)
91.1 to 108.5 ft.–lbs. (123.6 to 147.1 Nm)
123.0 to 144.7 ft.–lbs. (166.7 to 196.1 Nm)
M16
123.0 to 141.0 ft.–lbs. (166.7 to 191.2 Nm)
144.7 to 166.4 ft.–lbs. (196.1 to 225.5 Nm)
191.7 to 224.2 ft.–lbs. (259.9 to 304.0 Nm)
M18
180.8 to 209.8 ft.–lbs. (245.2 to 284.4 Nm)
202.5 to 235.1 ft.–lbs. (274.6 to 318.7 Nm)
253.2 to 296.5 ft.–lbs. (343.2 to 402.0 Nm)
M20
245.9 to 289.3 ft.–lbs. 333.4 to 392.2 Nm)
271.2 to 318.2 ft.–lbs. (367.7 to 431.5 Nm)
361.6 to 419.5 ft.–lbs. (490.3 to 568.7 Nm)
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741, 742, 743 & 743DS Bobcat Loader Service Manual
Dealer Copy -- Not for Resale
BOLT TORQUES
