21B, 25, 83, and 90 - 42 Inch Or 44 Inch Axle Spacing

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Model 21B, 21B-FAB, 21C, 21E, 21F, 25, 83, and 90 suspensions Includes stabilized axle (no hop) versions - Models 21B 1/2, 22B, and 25 1/2 Tandem axle and triaxle with 42 or 44 inch axle spacing

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