TORQUE SPECIFICATIONS
Proper toque for American fasteners used on Bush Hog equipment.
Recommended Torque in Foot Pounds (Newton Meters).*
Proper torque for metric fasteners used on Bush Hog equipment.
Recommended torque in foot pounds (newton Meters).*
WRENCH
BOLT
SIZE
DIA.
ASTM
ASTM
ASTM
ASTM
(mm) “A”
(mm) “B”
4.6
8.8
9.8
10.9
8
5
1.8 (2.4)
5.1 (6.9)
6.5 (8.8)
10
6
3 (4)
8.7 (12)
11.1 (15)
13
8
7.3 (10)
21.1 (29)
27 (37)
16
10
14.5 (20)
42 (57)
53 (72)
18
12
25 (34)
74 (100)
73 (99)
93 (126)
21
14
40 (54)
118 (160)
116 (157)
148 (201)
24
16
62 (84)
167 (226)
181 (245)
230 (312)
30
20
122 (165)
325 (440)
449 (608)
33
22
443 (600)
611 (828)
36
24
211 (286)
563 (763)
778 (1054)
41
27
821 (1112)
1138 (1542)
46
30
418 (566)
1119 (1516)
1547 (2096)
*Use 75% of the specified torque value for plated fas-
teners. Use 85% of the specified torque values for lu-
bricated fasteners.
Numbers appearing on bolt heads
indicate ASTM class.
METRIC
AMERICAN
Bolt Head Markings
Wrench
Size “A”
Bo
lt
Di
am
ete
r “
B”
SAE Grade 8
(6 Dashes)
SAE Grade 2
(No Dashes)
SAE Grade 5
(3 Dashes)
Wrench
Size “A”
8.8
Bolt
Diameter “B”
BOLT DIAMETER
WRENCH
(IN.) “B” AND
SAE
SAE
SAE
SIZE (IN.) “A”
THREAD SIZE
GRADE 2
GRADE 5
GRADE 8
7/16
1/4 2O UNC
6 (7)
8 (11)
12 (16)
7/16
1/4 28 UNF
6 (8)
10 (13)
14 (18)
1/2
5/16 18 UNC
11 (15)
17 (23)
25 (33)
1/2
5/16 24 UNF
13 (17)
19 (26)
27 (37)
9/16
3/8 16 UNC
20 (27)
31 (42)
44 (60)
9/16
3/8 24 UNF
23 (31)
35 (47)
49 (66)
5/8
7/16 14 UNC
32 (43)
49 (66)
70 (95)
5/8
7/16 20 UNF
36 (49)
55 (75)
78 (106)
3/4
1/2 13 UNC
49 (66)
76 (103)
106 (144)
3/4
1/2 20 UNF
55 (75)
85 (115)
120 (163)
7/8
9/16 12 UNC
70 (95)
109 (148)
153 (207)
7/8
9/16 18 UNF
79 (107)
122 (165)
172 (233)
15/16
5/8 11 UNC
97 (131)
150 (203)
212 (287)
15/16
5/8 18 UNF
110 (149)
170 (230)
240 (325)
1 1/8
3/4 10 UNC
144 (195)
266 (360)
376 (509)
1 1/8
3/4 16 UNF
192 (260)
297 (402)
420 (569)
1 5/16
7/8 9 UNC
166 (225)
430 (583)
606 (821)
1 5/16
7/8 14 UNF
184 (249)
474 (642)
668 (905)
1 1/2
1 8 UNC
250 (339)
644 (873)
909 (1232)
1 1/2
1 12 UNF
274 (371)
705 (955)
995 (1348)
1 1/2
1 14 UNF
280 (379)
721 (977)
1019 (1381)
1 11/16
1 1/8 7 UNC
354 (480)
795 (1077)
1288(1745)
1 11/16
1 1/8 12 UNF
397 (538)
890 (1206)
1444 (1957)
1 7/8
1 1/4 7 UNC
500 (678)
1120 (1518)
1817 (2462)
1 7/8
1 1/4 12 UNF
553 (749)
1241 (1682)
2013 (2728)
2 1/16
1 3/8 6 UNC
655 (887)
1470 (1992)
2382 (3228)
2 1/16
1 3/8 12 UNF
746 (1011)
1672 (2266)
2712 (3675)
2 1/4
1 1/2 6 UNC
870 (1179)
1950 (2642)
3161 (4283)
2 1/4
1 1/2 12 UNF
979 (1327)
2194 (2973)
3557 (4820)
27
Summary of Contents for Zero Turn Professional Series
Page 24: ...KAWASAKI ENGINE WIRING HARNESS NOTE Use a 30 Amp fuse with linear actuator 22...
Page 25: ...KOHLER ENGINE WIRING HARNESS 25 HP 30HP MODELS NOTE Use a 30 Amp fuse with linear actuator 23...
Page 26: ...KOHLER ENGINE WIRING HARNESS 28 HP EFI ENGINE NOTE Use a 30 Amp fuse with linear actuator 24...
Page 32: ......
Page 34: ...PZ SOM 04 11 P N 50045565 Printed U S A PROFESSIONAL SERIES ZEROTURN RIDING MOWER...