Roof mounted auxiliary hydraulic cooler provides additional hydraulic cooling capacity. For use in heavy duty applications (i.e. mulching, brush cutting, etc.) where the machine is utilized continuously in high flow mode with high demand on the Hystat system at ambient temperatures greater than 38° C (100° F). Requires FOPS Level 2 (sold separately). Not compatible with Water Tank, Single Point Lift, or Roof Mounted Attachments Bracket.