Bobcat B300 B-Series Backhoe Loader Service Manual (6902773)

Bobcat B300 B-Series Backhoe Loader Service Manual 6902773 (6-12)

This in-depth service manual covers the Bobcat B300 B-Series Backhoe Loader (S/N 572311001 & Above), offering extensive system diagnostics, repair procedures, and maintenance tasks. Designed for experienced mechanics, it includes technical workflows for hydraulics, engine, hydrostatics, drive, electrical, and frame systems.

Model Covers:

Bobcat B300 B-Series Backhoe Loader
S/N 572311001 & Above
Ingersoll Rand

Note: 

This edition includes system updates over the standard B300 series.
For newer B300 B-Series units with enhanced diagnostics and design refinements, consult:
👉 B300 B-Series Manual (S/N 573111001 & Above) – 6903702

For legacy models, refer to:
👉 Standard B300 Manual (S/N 571711001 & Above) – 6901906

File Format: PDF

Size: 22.64 MB

No. of pages: 752

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

Maintenance & Safety

• Service schedules, filter replacements, axle toe-in, fuel and cooling system maintenance
• Air cleaner, lift support, tire service, Bob-Tach inspection, engine oil and alternator belt service
• Lubrication charts, towing and transport instructions

Hydraulic & Control Valve Systems

• Detailed rebuilds for arm, boom, swing, bucket, tilt, stabilizer and steering cylinders
• Main and port relief valve adjustment, loader and backhoe valve schematics
• Pump, reservoir, strainer, filter housing and gear pump procedures

Hydrostatic Drive Components

• Drive motor, oil cooler, and pump disassembly, testing, inspection and reassembly
• Replenishing valve function, troubleshooting chart and pump calibration worksheet

Drivetrain & Axles

• Parking brake, brake housing, differential, wheel hub and pinion service
• Rear/front axle teardown and reassembly, planetary carrier inspection and driveshaft servicing
• Drop box repair and steering angle adjustments

Main Frame & Loader Assembly

• Removal and installation for cab, canopy, panels, grill, fenders, seat, bucket, swing frame and stabilizer
• Pivot bushing, Bob-Tach, boom and arm rebuild, X-Change system service

Electrical System & Analysis

• Wiring diagrams, fuse and relay locations, battery and alternator tests
• Starter checks, front/rear lights, instrument panel and fuel sender repairs

Engine & Reconditioning

• Injector, fuel pump, valve, camshaft, crankshaft, and oil pump servicing
• Compression testing, timing, piston/rod fitting and engine block servicing
• Flywheel, muffler, radiator and air cleaner procedures

Specifications & Conversion Charts

• Performance data, hydraulic capacity, torque values, and SAE specifications
• Engine specs, fluid charts and metric conversion tables

This Bobcat B300 B-Series Service Manual is the essential resource for complete repair and optimized loader-backhoe performance.