Part of the Yanmar Parts Manuals.
All 118 pages of this Yanmar B22-2B, 3TNE78A-B1 Parts Catalog (OEM #000Y00S3870) map every replaceable component on your 1999 Crawler Backhoe, from engine mounts and fuel system hardware to the complete hydraulic piping network, travel motors, and boom pins. You get exploded views across every system: 3TNE78A engine internals, swing and boom cylinders, control valves, crawler track links, canopy hardware, and the full boom-and-arm assembly, each with factory part numbers and cross-references. Every hydraulic subsystem is diagrammed separately so you can pinpoint the exact fitting, seal, or port without second-guessing the assembly. OEM data extends to the tool kit itself: a 5X45mm lock pin, 8X10mm wrench, and 800g grease gun, each called out by part number for this machine. Order the wrong part once and you know what it costs. Bookmarked by system and keyword-searchable, open it on any device and get the right number before you call the counter.
Other edition of this manual
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Accelerator, Fuel Tank & Fuel Pipe | |
| Cooling System | Radiator & Mount | |
| Engine | Engine Mount, Frame & Turning Bearing, Hyd. Oil Pump & Joint | |
| Electrical System | Battery, Electric Part, Work Lamp | |
| Undercarriage & Travel | Roller & Adjust, Crawler, Travel Motor | |
| Hydraulics & 3-Point Hitch | Boom Cylinder, Arm Cylinder, Bucket Cylinder, Swing Cylinder, Blade Cylinder, Turning Motor, Swivel Joint, Control Valve, Remote Control Valve, Hyd. Oil Tank, Hyd. Oil Piping, Control Piping | |
| Loader, Backhoe & Attachments | Boom & Arm, Bucket Pin, Blade | |
| Body & Operator Station | Frame Cover, Step, Seat & Seat Mount, Bonnet, Canopy | |
| Decals & Accessories | Label, Tool, Greasing | |
| Other Components | Inlet Hose & Exhaust Pipe, Control Equipment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| YANMAR PEACOCK GREEN Munsell No. | 3.8BG5.31/9.15 | p. 2 |
| YANMAR NEW DEEP GREEN Color Code | 88 | p. 2 |
| PIN dimension (Fig. 2, Item 3) | 5X45 mm | p. 14 |
| WRENCH size (Fig. 2, Item 7) | 8X10 mm | p. 18 |
| GREASE GUN capacity (Fig. 2, Item 17) | 800 g | p. 14 |
| BOLT size (Fig. 3, Item 5) | M8x55 mm | p. 16 |
| GROMMET dimensions (Fig. 4, Item 8) | 16x20x4.5 mm | p. 18 |
| BOLT size (Fig. 5, Item 10) | M12x30 mm | p. 18 |
| O-RING size (Fig. 6, Item 24) | 1A P-16.0 | p. 22 |
