Ditch Witch J20 Repair Manual New!
| Repair | Manual Procedure | Typical Cause | | --- | --- | --- | | | Check hydraulic flow to the vibration motor; inspect the manifold relief valve. | Worn gerotor motor or low charge pressure. | | Tracks Won't Drive Straight | Perform a "case drain" test on the drive motors; adjust the steering neutral linkage. | Internal leakage in one hydrostatic motor. | | Engine Cranks But Won't Start | Test glow plug resistance; bleed fuel system at the injection pump. | Air intrusion in fuel lines (common after filter changes). |
. The cover was stained with hydraulic fluid and the corners were frayed, but it was his Bible. To Silas, this wasn't just a technical guide; it was a map of his history. He flipped to the section on the H4 Trencher Attachment
The J20 usually runs a Wisconsin or Deutz engine (depending on the year). Ditch Witch manuals often do not cover the engine rebuild; they refer you to the engine manufacturer. You can often find the engine repair manual easily from Wisconsin or Deutz suppliers, while the Ditch Witch manual only covers the trenching hydraulics and chassis. ditch witch j20 repair manual
For specific parts diagrams or to see if a digitized version has been added to their archives, use the official Ditch Witch Parts Lookup
: Monitor the tension of the chain daily. Properly tensioned chains prevent lost productivity and reduce wear on the teeth and sprockets. JustAnswer Technical Specifications Specification Horsepower Transmission 3-speed manual (digging chain drive) Auto-type power steering 4-Wheel Drive Hydraulics Full hydraulic convenience controls Is there a need for help identifying a specific part or locating a Ditch Witch dealer Equipment Manuals - Ditch Witch | Repair | Manual Procedure | Typical Cause
: Older models with Wisconsin engines may have "weak" starters; it was common practice to use a priming valve to squirt a shot of gas directly into the intake for the first start of the day.
A used Ditch Witch J20 sells for between $3,000 and $8,000 depending on condition. A full hydraulic pump rebuild costs $1,500. A new shaker box assembly is $2,200. The typically costs under $150. | Internal leakage in one hydrostatic motor
A proper repair manual for the J20 is typically divided into several critical sections that mirror the machine's mechanical systems:
