Part of the Yanmar Operator Manuals.
All 191 pages of this Yanmar B55W Operation Manual cover one machine: the B55W Wheel Excavator, from new-machine break-in through biennial overhaul. Inside, you get a safety section complete with excavator rated lift capacity tables, then a full controls walkthrough covering every instrument panel gauge, steering console function, and heating and A/C operation. The maintenance chapter runs from 10-hour daily service through 4000-hour scheduled intervals, with a recommended lubricants table, hydraulic venting procedure, accumulator handling, and bucket shimming steps. Change your air filter every 500 hours or 3 months; that interval is printed in the service schedule alongside torque requirements for critical fasteners. No more hunting through printouts. Bookmarked by section, this PDF lets you jump straight to troubleshooting for engine, hydraulic, swing, electrical, travel, or brake faults the moment your B55W acts up.
Complete the set for your B55W
- Parts Catalog: Yanmar B55W, 4TNE94-DBW Parts Catalog (incl. Wiring)
Other editions of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Operating Controls | Component Locations, Operator's Area, Instrument Panel, Steering Console, Heating and Air-Conditioning System, Stereo, Miscellaneous Electrical Devices, Seat Adjustment | |
| Operation | To Handle a New Excavator, Starting and Stopping the Engine, Safety Lever, Travel, Operating Instructions, Operating Precautions, Parking Excavator, Towing Procedure | |
| Inspection, Maintenance and Adjustment | Table of Recommended Lubricants, Maintenance Intervals, 10 Hour / Daily Service, 50 Hour / Weekly Service, 100 Hour Service, 200 Hour Service, 250 Hour / Monthly Service, 500 Hour / 3 Month Service | |
| Transportation | Short Distance Self-Powered Travel, Trailer Loading/Unloading Procedures | |
| Troubleshooting | Engine, Hydraulic System, Swing System, Electrical System, Travel System, Steering, Brakes | |
| Specification | Standard Specification, General Dimensions, Working Rang |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Operating weight | 5.28 metric tons | p. 180 |
| Engine make & model | Yanmar 4TNE94, water-cooled 4-cylinder diesel | p. 180 |
| Engine rated output | 57 PS @ 2,400 rpm | p. 180 |
| Maximum engine torque | 18.0 kg·m (130 ft·lbs) @ 1,600 rpm | p. 180 |
| Bucket capacity (CECE) | 0.15 cu.m (0.20 cu.yd) | p. 180 |
| Travel speed (high range) | 0–25.0 km/h (0–15 mph) | p. 180 |
| Tire size | 12.00-16.5-12PR | p. 180 |
| Gradeability | 35° (70%) | p. 180 |
| Fuel tank capacity | 120 liters (31.7 U.S. gal) | p. 120 |
| Shipping length | 6171 mm (242.6 in) | p. 171 |
| Shipping height / height over cab | 2825 mm (111.2 in) | p. 171 |
| Sound pressure at operator's ear (LpA) | 85 dBA (LwA 100 dBA) | p. 185 |
| Tire lug nut torque | 210 lbf·ft (29 kgf·m), M18 × 24 | p. 165 |















