Mack- ST34 Taper Leaf Spring Rear Suspension

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Mack- ST34 Taper Leaf Spring Rear Suspension
Key	Part Number	Description	No. Req	OEM Reference	Remarks
1	338-1784	Trunnion, Seat	2	39QK432A	New Style; 8 3/4"; Use 325-118 Bushings
1	338-1783	Trunnion, Seat	2	39QK430A	Old Style; 8 3/16"; Use 325-117 Bushing
2	338-710	Trunnion; Clamp Half	2	39QK431	Current; 8 3/4"; Use 325-118 Bushing
2	338-712	Trunnion; Clamp Half	2	39QK37C	Old Style; 8 3/16"; Use 325-117 Bushing
3	338-1786	Trunnion, Saddle	2	39QK434	8 3/4"; Use 325-118 Bushings
4	325-118	Bushing, Trunnion; 8 3/4"; 3 1/2"ID x 4 7/16"OD x 6 5/16"Lg	2	10QK219P3
4	325-120	Bushing, Urethane; 8 3/4" Trunnion	2	10QK276	90 Durometer
4	325-120U	Bushing, Urethane; 8 3/4" Trunnion	2		80 Durometer
4	325-117	Bushing, Trunnion; 8 3/16"; 3 1/2"ID x 4 7/16"OD x 5 9/16"Lg	2	10QK219P, P1
4	325-117U	Bushing, Urethane; 8 3/16" Trunnion	2
5	334-480	Spacer; Inner; 3 1/2"ID x 4 1/8"OD x 7/16"Thk	2	44RU2223P2	Used w/325-118 Bushing
5	334-1178	Spacer; Inner; 3 1/2"ID x 4 1/8"OD x 1/2"Thk	2	44RU2223P1	Used w/325-117 Bushing
5	334-481	Spacer; Inner; 3 1/2"ID x 4 7/8"OD x 3/8"Thk	2	44RU2224	Used w/325-117 Bushing; Non-Current
6	334-479	Spacer; Outer; 3 1/2"ID x 4 1/8"OD x 1 3/4"Thk	2	44RU2221P2	8 3/4" Trunnion; Incl. Bolt & Lock Nut
6	334-1179	Spacer; Outer; 3 1/2"ID x 4 1/8"OD x 2 1/4"Thk	2	44RU221P1	8 3/16" Trunnion
7	334-579	Assembly, Bolt; 3/4"-16 x 5 1/2"Lg	2	3AX1525	Bolt & Lock Nut
8	338-1600	Plate, Lower U-Bolt Clamp	2	8QK44	Underslung
9	361-212	Kit, U-Bolt; Special Bend, Grade 8	4	7QK3164	1 1/8" x 4" x 13" MR
10	334-1212	Assembly, Bolt; 1 1/8"-12 x 13 1/4"Lg	8	3AX1894PL	Incl. Bolt & Hdwe.
11	W-118	Washer, U-Bolt;; 1 1/8"	8
12	DN-118	Nut, Deep; 1 1/8"-12, Grade C	8	21AX781
13	RB-84	Bushing; 1 1/4"ID x 2 1/2"OD x 4"Lg	4	10QK146
13	RB-187	Bushing; 1"ID x 2 1/2"OD x 4"Lg	4	10QK260
13	RB-174	Bushing; 1"ID x 2 1/2"OD x 4"Lg	4		Use w/(2) Mack Washers; No. 71RU13161
14	334-718	Kit, Service; Eccentric Alignment; 1 3/8" Dia.	4		Incl. 334-553 Collars; 1" Dia Bolt & Hdwe.
15	334-553	Collar, Eccentric Alignment; 1 3/8" Dia Lobe	8	8QD262	Use w/1" Bolts
15	334-1604	Collar, Eccentric Alignment; 1 1/4" Dia Lobe	8	8QD261	Use w/1" Bolts
16	334-1396	Bolt; 7/8"-14 x 7 1/2"Lg	4	3AX1050
16	327-477	Bolt; 1"-14 x 7 3/4"Lg	4	3AX1993
16	327-319	Bolt; 1 1/4"-12 x 7"Lg	4	3AX1682
17	SLN-107	Nut, Lock; 1"-14	4
17	334-192	Nut, Lock; 1 1/4"-12	4		Nylok Nut
18	338-1787	Insulator Box; 5 7/8" Deep	4	52QK442P2, 52QK447P2	Ductile Iron
19	325-110	Insulator, Standard; 1 3/4" Dowel, 70 Durometer	4	10QK36B	Rubber (Black)
20	338-729	Spacer; 3"W x 4"Lg x 1 1/2"Thk	8	13QK246
21	325-112	Insulator; 1 3/4" Dowel, 70 Durometer	4	10QK365A	Rubber (Black)
22	See Chart	Bolt, Insulator Box; 7/8"-14 Thread	12		See Chart
23	334-150	Washer, Hard Flat; 7/8"	12
24	SLN-106	Nut, Lock; 7/8"-14	12
25	See Chart	Screw, Cap; Insulator Box; 7/8"-9 Thread	4		See Chart
26	See Chart	Torque Rod, OEM Fixed Length	2		See Chart
26	See Chart	Torque Rod, Uni-Rod	2		See Chart
26	See Chart	Torque Rod, 2 Piece Ultra Rod Components	2		See Chart
27	321-132	Bushing; Straddlemount; 2 3/4"OD x 4 3/8" c/c	4	1688-227720	5/8" Bolts; 1 1/4" Forged Rod
27	321-132U	Bushing, Urethane	4
27	321-131	Bushing; 2 17/32"OD x 4 3/8" c/c	4	1688-227710	For 5/8" Bolts & 1 1/8" Rod Diameter
28	74454	Shock Absorber	2
29	401754	Bushing, Shock; 1"ID	8		Included w/Shock Absorbers
30	Find Spring	Assembly, Spring	2		See Leaf Spring Web Catalog For Details