Mack Suspensions

This is just a sample of the Mack suspension parts we carry in stock. Please call us and allow our specialists to insure that you find the exact replacement part for original equipment.
 

The Mack camel back suspension is another time-tested solution for a heavily loaded truck that must take the maximum abuse.  Plaza’s inventory of parts below show the common components of four camel back models with 4” springs: SS34/38, SS44/SWS57, SS50, and SWS573.

The Camelback Suspension

 
Mack Camel Back Rear Tandem Suspension

Mack pn	Description	Aftermarket pn
10QK276	Atro Bushing, Urethane; 8 3/4'' Trunnion	Atro	MA10000
10QK36B	Atro urethane insulator, 1 3/4'' Dowel	Atro	MA36000
10QK370	Atro urethane insulator, 1 3/4'' Dowel	Atro	MA37000
10QK365A	Atro urethane insulator, 1 3/4'' Dowel	Atro	MA36500
10QK388	Atro urethane insulator, 1 3/4'' Dowel	Atro	MA36000
3AX1472	Bolt Assembly; 1/2''-20 x 2 3/4''SHCS	Dayton	334-1401
21AX798	Bolt Assembly; 1/2''-20 x 2 3/4''SHCS	Dayton	334-1401
3AX1525	Bolt Assembly; 3/4''-16 x 5 1/2''Lg.	Dayton	334-579
10QK219P,P1	Bushing, 8 3/16'' Trunnion; 3.5 x 4 7/16 x 5 9/16	Dayton	325-117
10QK219P3	Bushing, 8 3/4'' Trunnion; 3.5 x 4 7/16 x 6 5/16	Dayton	325-118
44695, 227720	Bushing, Straddlemount; 2 3/4 x 4 3/8'' C/L to C/L	Dayton	321-132
10QK276	Bushing, Urethane; 8 3/4'' Trunnion	Dayton	325-120
10QK157	Bushing; 3 1/2''ID x 3 3/4''OD x 3 7/16''Lg.	Dayton	322-114
10QK158A	Bushing; 4''ID x 4 1/4''OD x 4 1/4''Lg.	Dayton	322-113
10QK153,392	Bushing; 4''ID x 4 1/4''OD x 4 1/4''Lg.	Dayton	322-113
10QK152	Bushing; 5''ID x 5 1/4''OD x 4 5/16''Lg.	Dayton	322-115
80AX560	Bushing; 5''ID x 5 1/4''OD x 4 5/16''Lg.	Dayton	322-115
4QK4005A	Camel Back 38-44000 lb 50"spacing, antisway	Dayton	62-147
4QK497A	Camel Back spring 34000 lb 50" axle spacing	Dayton	62-137
4QK4013	Camel Back spring 34000 lb 50" spacing	Dayton	62-173
4QK499A	Camel Back spring 34000 lb 50" spacing, antisway	Dayton	62-139
4QK4001A	Camel Back spring 38000 lb 50" axle spacing	Dayton	62-153
4QK4004A	Camel Back spring 38-44000 lb	Dayton	62-143
4QK4108M	Camel Back spring 50,000 lb capacity	Dayton	62-1287
97QL3001P3	Cap, Trunnion; 6 5/8''ID x 8 1/2''OD x 1 1/2'' Deep	Dayton	334-517
21AX655	Deep Nut, 1 1/4''-12, Grade C	Dayton	DNM-200
--	Deep Nut, 1 1/4''-12, Grade C	Dayton	DNM-200
21AX131	Deep Nut; 1 1/4''-12, Grade C	Dayton	DN-125
44AX115	Fitting, Straight Zerk; 1/8''-27NPT	Dayton	334-475
52QK418BP4	Insulator Box; 6 3/4'' Deep	Dayton	338-746
52QK418BP5	Insulator Box; 6 3/8'' Deep	Dayton	338-728
10QK372	Insulator, 2'' Dowel, 70 Durometer	Dayton	325-114
10QK48	Insulator, Offset; 1 3/4'' Dowel	Dayton	325-125
10QK32BP1	Insulator, Standard; 1 1/2'' Dowel, 70 Durometer	Dayton	325-108
10QK36B	Insulator, Standard; 1 3/4'' Dowel, 70 Durometer	Dayton	325-110
10QK365A	Insulator; 1 3/4'' Dowel, 70 Durometer	Dayton	325-112
10QK370	Insulator; 1 3/4'' Dowel, 70 Durometer	Dayton	325-113
21AX480	Lock Nut; 7/8''-14	Dayton	SLN-106
--	Lock Nut; 7/8''-14	Dayton	SLN-106
25QJ223	Nut, Adjusting; 3 5/16''-12 ID x 4''OD x 1''Thk.	Dayton	334-441
25QJ220BP2	Nut, Trunnion Shaft; 3 7/8''-12 x 6.09''OD x 1.18''	Dayton	334-498
8QK335P2	Saddle, U-Bolt; 9 3/4''Lg. x 4''W	Dayton	338-714
88AX446	Seal, Collar; 4 3/8''ID x 5 1/2''OD x 9/16''Thk.	Dayton	334-445
88AX253	Seal; 5''ID X 6 3/8''OD x 9/16''Thk.	Dayton	334-515
88AX459	Seal; 5''ID X 6 3/8''OD x 9/16''Thk.	Dayton	334-515
44RU2223P1	Spacer, Inner; 3 1/2''ID x 4 1/8''OD x 1/2''Thk.	Dayton	334-1178
44RU2223P2	Spacer, Inner; 3 1/2''ID x 4 1/8''OD x 7/16''Thk.	Dayton	334-480
44RU2221P2	Spacer, Outer; 3 1/2''ID x 4 1/8''OD x 1 3/4''	Dayton	334-479
13QK246	Spacer; 3''W x 4''Lg. x 1 1/2''Thk.	Dayton	338-729
39QK325	Trunnion Assembly	Dayton	338-1845
39QK431	Trunnion; Clamp Half	Dayton	338-710
39QK433A	Trunnion; Seat Half	Dayton	338-709
35AX1435	U-Bolt Washer; 1 1/4''	Dayton	SUW-125
--	U-Bolt Washer; 1 1/4''	Dayton	SUW-125
23QJ112B	Washer, ''D''; 2 21/64''ID x 4 7/8''OD x 1/4''Thk.	Dayton	334-442
43QK116	Washer, Thrust; 3 1/2''ID x 5 5/16''OD x 1/4''	Dayton	334-443
43QK118	Washer, Thrust; 4 1/32''ID x 6 1/4''OD x 5/16''	Dayton	334-512
43QK115	Washer, Thrust; 4 1/32''ID x 6 13/16''OD x 1/4''	Dayton	334-511
43QK117	Washer, Thrust; 4 3/8''ID x 5 3/8''OD x 3/8''Thk.	Dayton	334-444

 
Mack Front Suspensions

Mack pn	Description	Aftermarket pn
43RU297M	Bolt; M24 x 3.0 x 200mm	Dayton	327-481
10QK254M	Bushing; 1 1/16''ID x 1 7/8''OD x 3 3/8''Lg.	Dayton	RB-189
10QK229P1	Bushing; 1 1/4''ID x 1 1/2''OD x 3 1/2''Lg.	Dayton	RNI-BM
--	Bushing; 1 1/4''ID x 1 1/2''OD x 3 1/2''Lg.	Dayton	RNI-BM
10QK148A	Bushing; 1 3/4''OD x 3 1/2''Lg. x 1 3/8''-6 Thread	Dayton	TB-69
10QK253M	Bushing; 24mm ID x 48mm OD x 89mm Lg.	Dayton	RB-188
2QK3435M	leaf spring 3 1/2 x 55 5400 lbs	Dayton	62-968
2QK3444M	leaf spring 3 1/2 x 55 6300 lbs	Dayton	62-976
2QK3333	leaf spring 3 1/2' X 55 1/2' 10000 LBS	Dayton	62-812
2QK3413AP2	leaf spring 3 1/2' X 55 1/2' 11500 LBS MULTILEAF	Dayton	62-856
2QK3377	leaf spring 3 1/2' X 55 1/2' 9200 LBS MULTILEAF	Dayton	62-890
2QK3378P3	leaf spring 3 1/2' X 55' 8100 LBS full taper	Dayton	62-832
2QK3381A	leaf spring 3 1/2' X 55' 8100 LBS MULTILEAF	Dayton	62-876
171AM8	Nut, Lock; M24-3.0	Dayton	334-717
--	Shock Absorber	Gabriel	85321
--	Shock Absorber	Gabriel	83215
--	Shock Absorber	Gabriel	85005
--	Shock Absorber	Gabriel	85036
--	Shock Absorber	Gabriel	85320
22QK39301	Side Bar; 6 5/16x 4 C/C x 1 1/4, 1 1/16 Pin Holes	Dayton	330-102
44QK25	Spring Pin, Threaded; 1 3/8''-6 x 6 15/16''Lg.	Dayton	327-330
44QK26A	Spring Pin, Threaded; 1 3/8''-6 x 6 9/16''Lg.	Dayton	327-331
44QK29301B	Spring Pin, Threaded;1 3/8''-6 x 7 1/16''Lg.	Dayton	327-346
44QK205M	Spring Pin, Threaded;1 3/8''-6 x 7 1/16''Lg.	Dayton	327-346
44QK173B	Spring Pin; 1 1/4''OD x 6 1/4''Lg. x 3/4'' C/E	Dayton	327-342
44QK19301B	Spring Pin; 1 1/4''OD x 7 1/16''Lg. x 1 1/16'' C/E	Dayton	327-345

 
Proud of your Mack Truck? Take a minute to enjoy these pictures of your favorite truck.

Need to see the specs for other Mack Suspensions?  These pages from the Dayton Parts catalogue outline all of Mack's own suspensions.