3
FITS MACK SUSPENSIONS
FITS MACK SS34 & 38 TANDEM
QUANTITY PER TANDEM
KEY
PN
OEM CROSS DESCRIPTION
1
40-377
44RU2223P2
Trunnion Spacer; OD = 4-1/8”, ID = 3-1/2”, Thk = 7/16”
2
1
40-378
44RU2223P1
Trunnion Spacer; OD = 4-1/8”, ID = 3-1/2”, Thk = 1/2”
2
2
40-332
10QK365A
Insulator, Upper; L = 6”, W = 4-1/2”, H = 2-1/2”
4
2
40-336
10QK370
Insulator, Upper; L = 6”, W = 4-1/2”, H = 3”
4
3
40-369
13QK246
Insulator Spacer; L = 4”, W = 3”, Thk = 1-1/2”
8
4
40-328
10QK36B
Insulator Pad, Lower; L = 6”, W = 6”, H = 3-3/4”
4
5
40-389
52QK418AP4
Insulator Box; Outside Height = 7-5/16”
2
6
OTR90-12749
21AX480
Insulator Box Lock Nut; 7/8” – 14TPI, Hex = 1-5/16”, H = 27/32” 8
7
90-12395
37AX1310
Washer
8
39QK37B 39QK37C 39QK433
8
40-373
Trunnion Half, Lower
2
9
40-335
10QK219P1
Trunnion Bushing; ID = 3-7/16” , OD = 4-11/16”
2
9
40-367
10QK219P2
Trunnion Bushing; OD = 4-11/16”, ID = 3-7/16”, L = 6-5/16”
2
10
40-490
21AX786
Bolt Assembly
4
Trunnion Collar; OD = 4-1/8”, ID = 3-1/2'”, W = 1-3/4”, Collar Hole = 3/4” (Late)
11
40-379
44RU2221P2
2
11
40-455
44RU2221P1
Trunnion Collar; OD = 4-1/8”, ID = 3-1/2”, W = 2-1/4” (Early)
2
12
40-372
39QK433A
Trunnion Half, Upper
2
13
90-12391
1AX425
Insulator Box Bolt; 7/8”— 14TPI, L = 5”, Grade 8
8
13
90-12392
1AX475
Insulator Box Bolt; 7/8”— 14TPI, L = 5-1/4”, Grade 8
8
13
90-12393
1AX427,3AX987 Insulator Box Bolt; 7/8”— 14TPI, L = 6”, Grade 8
8
14
90-12399
4AX320, 6X837 Insulator Box Bolt; 7/8”— 9TPI, L = 4-1/2”, Grade 8
8
14
40-491
6AX1160
Insulator Box Stud; 7/8”— 9TPI, L = 6”
8
15
40-489
8PK335P1
U-Bolt Saddle
2
16
80-14414
U-Bolts See Pages 197–198 — 1-1/4” — 12”× 14-1/2”× 4” Sr
4
16
80-14416
U-Bolts See Pages 197–198 — 1-1/4” — 12”× 16-1/4”× 4” Sr
4
16
80-14418
U-Bolts See Pages 197–198 — 1-1/4” — 12”× 18”× 4” Sr
4
174
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