MacDon M105 Operator's Manual page 206

Table 5.10 Flare-Type Hydraulic Tube Fittings
Tube Size
SAE No.
O.D. (in.)
3 3/16
4
1/4
5 5/16
6 3/8
8 1/2
10 5/8
12 3/4
14
7/8
16 1
19. Torque values shown are based on lubricated connections as in reassembly.
169890
MAINTENANCE AND SERVICING
Nut Size
Thread
across Flats
Size (in.)
(in.)
3/8 7/16
7/16 9/16
1/2 5/8
9/16 11/16
3/4 7/8
7/8 1
1-1/16 1-1/4
1-3/8 1-3/8
1-5/16 1-1/2
Torque Value
ft·lbf N·m
6
9 12
12 16
18 24
34 46
46 62
75 102
90 122
105 142
192
Flats from Finger
19
Tight (FFFT)
Flats
8 1
1
1
1
1
1
3/4
3/4
3/4
Turns
1/6
1/6
1/6
1/6
1/6
1/6
1/8
1/8
1/8
Revision A