On a job, this Bobcat backhoe attachment is what you hang on the front of your skid or compact tractor when you need to trench for utilities, footings, or drain tile without renting a full excavator. The people who reach for this manual are the ones paying the repair bill: small contractors, farm shops, rental yards, and field techs. They want the right teardown order, torque references, and hydraulic test points so they don't waste half a day guessing. If you're chasing a leak, sloppy boom, or dead function, this is the book you want, not the glossy brochure.
What this manual helps you do
- Diagnose weak or dead backhoe functions by tracing hydraulic flow and checking test ports
- Rebuild swing, boom, dipper, and bucket cylinders by following seal replacement and reassembly steps
- Replace pins, bushings, and pivot hardware and then set clearances so the backhoe isn't loose or binding
- Troubleshoot control valve issues, sticking spools, and internal leakage before you start throwing parts at it
- Verify attachment installation, hoses, and couplers so the backhoe matches the host machine's hydraulics
Who this is for
This is for anyone working on a Bobcat backhoe attachment in the serial range B57K00101 through B57K99999 who wants shop-level repair info. If you only need to know how to operate the backhoe or basic grease points, you want the operator's handbook, not this service manual.
FAQ
Q: Is this a searchable PDF, and can I read the wiring or hydraulic diagrams clearly?
A: These manuals are usually scanned or native PDFs that you can search and zoom, so schematics and hydraulic diagrams are readable on a laptop or tablet.
Q: How do I know if it covers my exact backhoe attachment?
A: Check your attachment's serial tag. If it falls between B57K00101 and B57K99999, this is the correct service manual.
Q: Is this the right document if I'm just doing routine maintenance?
A: It will work, but it's overkill. For simple service intervals and controls, the operator's handbook is easier. This manual shines when you're actually repairing or diagnosing.
Bottom line, if your Bobcat backhoe attachment serial number is in that B57K00101-B57K99999 window and you're doing real repair work, this is the right manual. If your serial is outside that range, skip it.
📘 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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