Configurations with hydraulic brakes Approval disck brakes Approval 2 axles of JMR Boopark elektric brakesystem approval 2 axles with Kodiak hydraulic disck brake. Approval disck brakes upgrade: duo-caliper Approval 2 axles of JMR Boopark elektric brakesystem with hydraulic disck brake with Kodiak Boopark 225 duo-caliper with parkbrake. Approval Knott drum brake Approval 2 axles of JMR Boopark elektric brakesystem approval 2 axles with Knott 25-4303 hydraulic drum brake.