Features: Same as M Series with DC Fan or Hydraulic Motor 3/8” Tube Size Aluminum Fins Low AMP Draw 12 or 24 Volt DC Motor Heavy Duty Construction Optional Serviceable Relief Bypass Valve Optional Fan Control Switch Long Life Hydraulic Motors Heat Removal TO 50,000 BTU/Hr. Oil Flows to 150 GPM Mounting Brackets Included SAE, NPT or 37° Flare Oil Connections Rugged Steel Manifolds, Oil flows to 175 GPM. Heavy duty construction. Mounting brackets included- no straps required. Operating pressure 300 PSI. Maximum temperature 350° F. Thermal performance is based on ISO 32 oil with 40F approach (oil temperature out – ambient air temp.).