Drott 35B, 40B, 50B Excavator Service Manual

Original price was: $75.96.Current price is: $34.70.

  • Covers Drott 35B, 40B, 50B Series “B” Crawler Excavators
  • P/N S406173M2
  • 231 pages
  • Downloadable PDF format
  • Bookmarked chapters, searchable, printable
  • 66mb file size
  • Works with Windows/Mac/Tablet/Mobile

The Drott 35B, 40B and 50B service manual set download includes over 230 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The complete service manual was digitally reproduced from the original dealer manual into a clear, searchable PDF format and is ideal for mechanics repairing or overhauling the series B Drott excavator. In addition to all machine systems, diesel engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.



  • Safety Precautions
  • Nomenclature
  • Introduction
  • Safety Symbols
  • Directional Reference


  • Introduction
  • Cleaning Soundproofing Insulation
  • Spark Arrestors
  • Lubricant and Fluid Recommendations
  • Hydraulic Oil Recommendations
  • Component Lubricants and Fluid Specifications
  • Hydraulic System Operating Pressures
  • Preventive Maintenance Schedule
  • Lubrication and Service Chart
  • Pictorial Listing of Grease Fitting Locations
  • Itemized Maintenance Instructions


  • General Description
  • Frames
  • Track Shoes
  • Track Rollers
  • Track Drive Motors
  • Track Drive Brake
    • Adjustment
    • Removal
    • Disassembly
    • Inspection and Repair
    • Mounting Track Brake to Final Drive Transmission
  • Final Drive Transmission
    • Troubleshooting
    • Removal
    • Disassembly, Inspection and Re-assembly
    • Scheduled Maintenance
  • Track Adjustment Cylinder
  • Idler Wheel
  • Carbody and Carbody Leveler
  • Carbody Leveler Cylinder
  • Troubleshooting – Tracks


  • Replacing the Turntable Bearing
  • Swing Mechanism
  • Reduction Gearbox


  • Introduction to Hydraulics
  • Troubleshooting
  • Flushing Procedure
  • Basic System Flow Diagrams
  • Main Tandem Pump
  • Track Drive Motor (40BLC and 50LC)
  • Clam Rotary Actuator (270°) 99H
  • Hydraulic Swivel
  • Valve Banks
  • Swing Cross-Over Relief Valve
  • Track Brake Valve
  • Check Valves
  • Flow Regulators
  • Hydraulic Cylinders
  • Troubleshooting Guides
  • Oil Flow Diagrams for


  • General Description
  • Battery Care
  • General Troubleshooting
  • Troubleshooting Guide


  • General Description
  • Feller/Buncher Maintenance
  • Feller/Buncher Collector
  • Rotary Cutter


  • Torque Charts
  • Hydraulic Schematic
  • Electrical Schematic (Wiring Diagram)

Example Service Manual PDF Download

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SKU: DRT-35B-SM Categories: , Tags: , ,

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