Part of the New Holland Repair Manuals.
This is New Holland service manual 48143704 for the B80B backhoe loader. It is the 1st edition in English, dated April 2017, and it covers 2WD and 4WD builds with standard or heavy duty rear tires.
The book covers the power shuttle, the torque converter, both axles, brakes, steering, loader and backhoe hydraulics, cab climate control and 18 electrical schematic sheets.
Fill capacities, tire pressures and wheel nut torques are set out plainly.
What's Inside This New Holland B80B Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 1-32 | Safety Rules, Equipment Servicing, Fuse and Relay Locations, Shop and Assembly Instructions, Standard Torque Tables, Fluid Capacities |
| Engine | 33-70 | Engine Removal and Installation, Engine Troubleshooting, Exhaust Manifold, Muffler, Radiator Removal and Installation |
| Power Shuttle Transmission | 71-181 | Transmission Lubrication and Oil Filter, Special Tools, Stall Test Check Sheets, Oil Pump, Transmission Removal and Installation, Pressure and Flow Tests, Housing Overhaul, Troubleshooting |
| Power Shuttle External Controls | 182-205 | Hydraulic Control Valve Exploded View, Four Wheel Drive Valve, Valve Disassembly, Inspection and Assembly |
| Power Shuttle Internal Components | 206-269 | Input Shaft, Secondary Shaft, Primary Shaft, Reverse Shaft, Shaft Inspection and Assembly, Backlash Adjustment |
| Torque Converter | 270-276 | Exploded View, Flywheel Towing Plate, Converter, Oil Pump, Transmission Interface |
| Front Axle System | 277-368 | Powered and Non-Powered Front Axle, Bevel Gear and Differential, Final Drive Hubs, Steering Knuckles, Toe-In Adjustment, Axle Testing, Troubleshooting |
| Rear Axle System | 369-446 | Powered Rear Axle, Oil Change, Axle Beam Trumpet Group, Differential, Bevel Pinion, Epicyclic Reduction Gears, Wheel Hub, Troubleshooting |
| Brakes and Controls | 447-476 | Hydraulic Service Brakes, Brake Discs, Brake Pedal, Master Cylinder, Brake Assembly, Air Bleeding, Parking Brake |
| Hydraulic Systems | 477-656 | Hydraulic Specifications, Pressure and Flow Testing, Reservoir and Pump Service, Loader Valves and Cylinders, Backhoe Valves and Cylinders, Cylinder Repair, Hydraulic Troubleshooting |
| Frames and Ballasting | 657-666 | Stabilizer Removal and Installation |
| Steering | 667-712 | Steering Column, Hydraulic Steering Control Valve, Relief and Shock Valves, Control Valve Overhaul, Steering Relief Test, 2WD and 4WD Steering Cylinders |
| Wheels | 713-732 | Front and Rear Wheel Removal and Installation, Mounting Nut Torque, Tire Sizes, Inflation Pressures |
| Cab Climate Control | 733-774 | Heating, Blower Motor, Heater Core, Air Conditioning Controls, Refrigerant Recovery and Charging, Compressor, Receiver Drier, Condenser, Evaporator |
| Electrical Systems and Wiring Diagrams | 775-971 | Harness and Connector Identification, Electrical Schematic Sheets, Power Distribution and Charging, Starting, Engine Control, Lighting, Instrument Cluster, Cab Accessories |
| Starter, Alternator and Wipers | 972-990 | Starter Removal and Installation, Alternator Removal and Installation, Drive Belt, Wiper Motor Removal and Installation |
| Front Loader and Bucket | 991-1006 | Loader Arm Removal and Installation, Bucket Removal and Installation |
| Booms, Dippers and Buckets | 1007-1032 | Sliding Support, Boom Removal and Installation, Dipper Arm Removal and Installation, Optional Extendable Dipstick |
| Accessories | 1033-1046 | Electrical Product Overview, Telematics Preparation, Installation and Removal |
| Platform, Cab, Bodywork and Decals | 1047-1089 | Cab Removal and Installation, Cab Door, Door Glass, Windshield, Rear Window, Hood, Special Tool Index |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Transmission oil 2WD | 16.00 l (4.23 US gal) | p. 31 |
| Transmission oil 4WD | 18.50 l (4.89 US gal) | p. 31 |
| Rear axle oil | 17.10 l (4.52 US gal) | p. 31 |
| Engine oil - BS III | 11.00 l (2.91 US gal) | p. 31 |
| Hydraulic oil, total | 130 l (34.34 US gal) | p. 31 |
| Refrigerant charge | 1.3 kg (2.87 lb) | p. 748 |
| Powered front axle dry weight | 264 kg (582.02 lb) | p. 280 |
| Rear axle dry weight | 420 kg (926 lb) | p. 372 |
| Front tires, 2WD | 9.00-16, 16 PR | p. 728 |
| Front tires, 4WD | 12.5-18, 12 PR | p. 728 |
| Rear tires, standard rear | 16.9-28, 12 PR | p. 728 |
| Rear tires, heavy duty rear | 14.00-25, 20 PR | p. 728 |
| Front tire inflating pressure, 2WD | 5.52 bar (80 psi) | p. 728 |
| Front tire inflating pressure, 4WD | 2.41 bar (35 psi) | p. 728 |
| Rear tire inflating pressure, standard rear | 1.79 bar (26 psi) | p. 728 |
| Rear tire inflating pressure, heavy duty rear | 2.76 bar (40 psi) | p. 728 |
| Front wheel nut torque | 196 N·m (145 lb ft) | p. 728 |
| Rear wheel nut torque | 490 N·m (361 lb ft) | p. 728 |
| Steering system working pressure | 140 bar (2030 psi) | p. 676 |
| Steering shock valve adjustment | 200 bar (2900 psi) | p. 676 |




















