Komatsu D85EX-18 Operation & Maintenance Manual page 300

STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
Nominal - No. of across
threads "a" flats "b"
9/16-18UNF
11/16-16UN
13/16-16UN
1-14UNS
1 3/16-12UN
4-12
Width
Target value
(mm)
Nm
19 44
22 74
27 103
32 157
36 216
Tightening torque
kgm Nm
4.5 35 to 54
7.5 54 to 93
10.5 84 to 132
16.0 128 to 186
22.0 177 to 245
MAINTENANCE
Allowable range
kgm
3.5 to 5.5
5.5 to 9.5
8.5 to 13.5
13.0 to 19.0
18.0 to 25.0