Prev Next Reyco — 21B Description This 4-spring trailer suspension for heavy-duty applications including tankers, lowbeds, rear/belly/side-dumps, flatdecks and platforms. Polyurethane equalizer bushings (and kits) provide chemical resistance and better wear/abrasion resistance than rubber. This results in extended bushing life. Tech Tips and Additional Resources ATRO offers a full complement of equalizer bushings, bushing kits, torque rods and torque rod bushings: EQ83-35300 cast equalizer for 49” axle spacing with cast hangers that includes ATRO’s complete shaft and poly bushing assembly, SK83-31000. EQ83-11000 – poly equalizer bushing (requires 2 per equalizer) SK83-31000 – poly equalizer bushing (EQ83-11000) kitted with attaching hardware and shaft (1 per equalizer) TH83-37997 – poly torque rod bushings (PL1116) kitted with attaching hardware (2 per complete torque rod) PL1116 – 2-piece poly torque rod bushing (requires 4 per complete torque rod) Torque specs: (unless specified by OE for specific suspension model) Torque rod bolts (1") should be tightened to 140-160 ft/lb of torque. (Initial torque value may drop as bushings settle in. Not necessary to re-torque after proper bushing clamp is achieved.) Equalizer bolts (1") should be torqued to 400-450 ft/lb Wear Items Equalizer bushings and pins Torque rod bushings and bolts Key Parts Cast Equalizer EQ83-35300 All Products Equalizer Bushing EQ83-11000 All Products Equalizer Bushing Kit SK83-31000 (w/hardware) All Products Bushing Kit TH83-37997 PL1116 (w/hardware) All Products Two-Piece Bushing PL1116 All Products Details Reyco 21B Suspension details showing hanger, equalizer, and torque rod. Prev Next