Keao SH series retarders is designed for special heavy bus, and truck. Specification of Keao SH Series retarder: 1. Application:Torque ranges from 2800N.m to 3500N.m,adaptable for a variety of vehicles( weigh 22 ton~50 ton) 2. Applicable for long drive sgaft vegicles,to be installed between drive shaft. 3.Adapting middle axle structure,working indenpendently with almost no affect to the chassis 4. Imported axle and high temperature resistant lubricant extend its life span 5. Maintenance convenience without the necessity for adjustment of clearance Different size and dimension is available. Weight ranges 85-180kg