New Holland SmartTrax T8.320 Service Manual page 19

INCH FLANGED HARDWARE
NOM-
SAE GRADE 5 BOLT and
INAL
SIZE
UNPLATED
or PLATED
SILVER
1/4 9 N·m (80 lb in)
19 N·m (168 lb
5/16
in)
33 N·m (25 lb
3/8
ft)
53 N·m (39 lb
7/16
ft)
81 N·m (60 lb
1/2
ft)
117 N·m (86 lb
9/16
ft)
162 N·m (119 lb
5/8
ft)
287 N·m (212 lb
3/4
ft)
462 N·m (341 lb
7/8
ft)
693 N·m (512 lb
1
ft)
IDENTIFICATION
Inch Bolts and free-spinning nuts
1 Grade 2 - No Marks
2
Grade 5 - Three Marks
3
Grade 8 - Five Marks
SAE GRADE 8 BOLT and
NUT
PLATED UNPLATED
W/ZnCr or PLATED
GOLD SILVER
12 N·m (106 lb 13 N·m (115 lb
in)
25 N·m (221 lb 26 N·m (230 lb
in)
44 N·m (33 lb 47 N·m (35 lb
ft)
71 N·m (52 lb 75 N·m (55 lb
ft)
108 N·m (80 lb 115 N·m (85 lb
ft)
156 N·m
(115 lb ft) (122 lb ft)
216 N·m
(159 lb ft) (168 lb ft)
383 N·m
(282 lb ft) (299 lb ft)
617 N·m
(455 lb ft) (482 lb ft)
925 N·m
(682 lb ft) (722 lb ft)
Grade Marking Examples
SAE Grade Identification
INTRODUCTION
NUT
PLATED
W/ZnCr
GOLD
17 N·m (150 lb
in) in)
35 N·m (310 lb
in) in)
63 N·m (46 lb
ft) ft)
100 N·m (74 lb
ft) ft)
153 N·m
(113 lb ft)
ft)
165 N·m 221 N·m
(163 lb ft)
228 N·m 304 N·m
(225 lb ft)
405 N·m 541 N·m
(399 lb ft)
653 N·m 871 N·m
(642 lb ft)
979 N·m 1305 N·m
(963 lb ft)
3
20083682
4 Grade 2 Nut - No Marks
5
Grade 5 Nut - Marks 120 ° Apart
6
Grade 8 Nut - Marks 60 ° Apart
47917988 24/09/2015
12
LOCKNUT LOCKNUT
GrF W/ Gr5 GrG W/ Gr8
BOLT
12 N·m (106 lb
8 N·m (71 lb in)
17 N·m (150 lb 24 N·m (212 lb
in)
30 N·m (22 lb ft) 43 N·m (32 lb ft)
48 N·m (35 lb ft) 68 N·m (50 lb ft)
104 N·m (77 lb
74 N·m (55 lb ft)
157 N·m (116 lb
106 N·m (78 lb ft)
147 N·m (108 lb 207 N·m (153 lb
ft)
261 N·m (193 lb 369 N·m (272 lb
ft)
421 N·m (311 lb 594 N·m (438 lb
ft)
631 N·m (465 lb 890 N·m (656 lb
ft)
BOLT
in)
in)
ft)
ft)
ft)
ft)
ft)
ft)