CASE 1650M Hydraulic Schematic – Full Hydraulic System for Crawler Dozer

Technical Highlights

• Model: CASE 1650M Crawler Dozer

• Document Type: Factory Hydraulic Schematic

• Part Number: RAC #47714314 Rev. E

• Format: PDF (color-coded engineering schematic)

• Language: English

• System Coverage: Complete hydraulic architecture – track drive, implement, fan, and pilot systems

• Color Legend (from page 1 diagram):
   • Red = Hydraulic Pressure
   • Orange = Charge Pump Pressure
   • Cyan = Return to Tank/Pump Inlet
   • Purple = Track Drive Circuit
   • Blue = Track Drive Case Drain
   • Green = Load Sense

Coverage

• Overview
   • General hydraulic flow from charge pump to actuators
   • Legend and color identification chart
   • Pressure ratings and test points for field diagnostics

• Main Hydraulic Circuits
   • Track Drive Circuit: Dual motor assembly, brake release system, flush valve, and speed control valves
   • Implement Circuit: Lift, tilt, angle, and ripper functions with load-sense relief integration
   • Charge & Pilot System: Charge filters, relief valves, pressure switches, and accumulator flow
   • Fan Control Circuit: Fan drive pump with reverse pressure valves and control solenoids
   • Load Sense System: Dynamic feedback from the implement pump to the control valves

• Component Reference List (1–77 Items)
   Includes Track Drive Motor, Oil Cooler, Charge Pump, Pressure Relief Valves, Lift and Tilt Spools, Fan Drive Motor, Pilot Accumulator, and Hydraulic Filters as detailed in the legend on page 1 of the diagram

• Hydraulic Performance Data
   • Main System Pressure – 420 bar
   • Charge Pressure – 25 to 30 bar
   • Pilot Pressure – 16 bar
   • Implement Pressure – 280 ± 5 bar
   • Load Sense Pressure – 203 to 210 bar

Delivery

The download link will be sent to your email instantly after payment.