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Torque Specifications for Hydraulic Couplings & Hoses
2.4 Torque Specifications for Hydraulic Couplings & Hoses
Table
Hose End Torque Chart
Size
ft-lb
Dash
Frac.
Min.
Max.
-4
1/4"
10
-6
3/8"
17
-8
1/2"
34
-10
5/8"
50
-12
3/4"
70
-16
1"
94
104
-20
1 1/4"
124
138
-24
1 1/2
156
173
-32
2"
219
243
SJ12 E, SJ16 E, SJ20 E
Hydraulic Coupling Torque Chart
O-Ring Port Connectors
Steel Ports
SAE Size
ft-lb
4
14-16
6
24-26
8
50-60
10
72-80
12
125-135
16
200-220
20
210-280
24
270-360
32
-
for JIC
Steel
Nm
ft-lb
Min.
Max.
Min.
11
13
15
5
19
23
26
12
38
47
52
20
56
69
76
34
78
96
106
53
127
141
74
169
188
75
212
235
79
296
329
158
Non-ferrous Ports
Nm
ft-lb
20-22
9-10
33-35
15-16
68-78
30-36
98-110
43-48
170-183
75-81
270-300
120-132
285-380
126-168
370-490
162-216
-
-
Brass
Nm
Dash
Max.
Min.
Max.
6
6.75
9
-4
15
17
20
-6
24
27.66
33
-8
40
46.33
55
-10
60
72.33
82
-12
82
100.5
111
-14
83
101.5
113
-16
87
107
118
-20
175
214
237
-24
Section 2 – Maintenance Tables and Diagrams
Nm
12-13
20-21
41-47
60-66
102-110
162-180
171-228
222-294
-
Hose End Torque Chart
for Flat-Face O-Ring Seal (Steel)
Size
Torque Specification
ft-lb
Frac.
Min.
Max.
1/4"
10
12
3/8"
18
20
1/2"
32
40
5/8"
46
56
3/4"
65
80
1"
65
80
1 1/4"
92
105
1 1/2
125
140
2"
150
180
Nm
Min.
Max.
14
16
24
27
43
54
60
75
90
110
90
110
125
240
170
190
200
245
1614
241914ACA
27
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