A Bobcat backhoe attachment on a farm or small jobsite is the thing you hang on the loader or tractor when you've got to trench water lines, dig out stumps, or clean up around buildings. When it starts leaking, getting sloppy at the pins, or the controls act weird, this is when I reach for the service manual. You're not looking up how to run it, you're trying to get through a weekend repair window without guessing on teardown or hydraulic checks.
What this manual helps you do
- Diagnose hydraulic issues in the backhoe attachment, then check pressures and chase problems through the valve, lines, and cylinders
- Follow step-by-step teardown and reassembly for cylinders, swing components, and major pivot points
- Replace worn pins, bushings, hoses, and seals with the right order of disassembly and reassembly
- Adjust controls, linkages, and stabilizers so the backhoe digs straight and doesn't feel sloppy
- Troubleshoot electrical or control tie-ins to the host machine using wiring and hose routing diagrams
Who this is for
This is for an owner-operator, small contractor, farm or rental fleet that owns a Bobcat backhoe attachment in the B57J00101-B57J99999 serial range and wants to fix it in their own shop. If you just need basic operating tips or safety info, you want the operator's handbook instead, not this service manual.
FAQ
Q: Is this a searchable PDF, and can I read the wiring and hydraulic diagrams clearly?
A: Yes, these manuals are normally supplied as searchable PDFs with diagrams you can zoom in on for hose and wire tracing.
Q: How do I know it fits my attachment?
A: Check the serial tag on your backhoe attachment. If it falls between B57J00101 and B57J99999, this is the right manual.
Q: Is this the right document if I'm doing real repairs, not just maintenance?
A: Yes, this is the workshop-level service manual, meant for actual teardown and diagnostics, not routine greasing or daily checks.
Bottom line: If your Bobcat backhoe attachment's serial number falls in that B57J range and you're planning real repairs, this is the manual you want.
📘 Show Index
Table of Contents:
- MAINTENANCE SAFETY
- CONTENTS
- FOREWORD
- SERIAL NUMBER LOCATION
- MANUAL STORAGE LOCATION
- DELIVERY REPORT
- BACKHOE IDENTIFICATION
- FEATURES AND ACCESSORIES
- SAFETY AND MAINTENANCE
- TROUBLESHOOTING
- INITIAL SETUP
- LUBRICATING THE ATTACHMENT
- DAILY INSPECTION
- Attachment Mounting Frame
- Control Lockout System
- Bob-Tach
- Quick Coupler (Klac™ System)
- Pin-On Attachment
- ATTACHMENT
- Installing And Removing The Attachment (Klac™ System)
- Installing And Removing The Attachment (Pin-On Attachment)
- ATTACHMENT STORAGE AND RETURN TO SERVICE
- Storage
- Return To Service
- HYDRAULIC SYSTEM
- HYDRAULIC CONTROL VALVE
- Testing
- Control Lockout System Removal And Installation
- Hydraulic Control Valve Removal And Installation
- P/T (Shift Lock) Valve Removal And Installation
- Fittings Removal And Installation
- Parts Identification
- Disassembly And Assembly
- BUCKET CYLINDER
- Parts Identification
- Removal And Installation
- Disassembly And Assembly
- ARM CYLINDER
- Parts Identification
- Arm Cylinder Removal And Installation
- Disassembly And Assembly
- BOOM CYLINDER
- Parts Identification
- Removal And Installation
- Disassembly And Assembly
- LOCKING CYLINDER
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- STABILIZER CYLINDER
- Parts Identification
- Removal And Installation
- Disassembly And Assembly
- SWING CYLINDER
- Parts Identification
- Removal And Installation
- Disassembly And Assembly
- MAINFRAME
- WORK GROUP
- ARM
- BOOM
- SWING FRAME
- SLIDE FRAME
- SPECIFICATIONS
- B32S AND B32V BACKHOE SPECIFICATIONS
- Dimensions For B32S With Pin-On Bucket
- Dimensions For B32V With Klac™ Attachment Coupler
- Dimensions For Backhoe Frame
- Dimensions For Work Group
- Performance (B32S And B32V)
- Dimensions For B35S With Pin-On Bucket
- Dimensions For B35V With Klac™ Attachment Coupler
- Dimensions For Backhoe Frame
- Dimensions For Work Group
- Performance (B35S And B35V)
- Hydraulic (B35S And B35V)
- SCHEMATICS
- Hydraulic Schematic B32V And B35V
- TORQUE SPECIFICATIONS FOR BOLTS
- Torque For General SAE Bolts
- Torque For General Metric Bolts
- HYDRAULIC CONNECTION SPECIFICATIONS
- O-ring Face Seal Connection
- Straight Thread O-ring Fitting
- Tubelines And Hoses
- Flare Fitting
- Port Seal Fitting
- ALPHABETICAL INDEX
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