Part of the Yanmar Parts Manuals.
Tracking down replacement components for your 2004 crawler backhoe is simple with this 173-page Yanmar B7-5A parts catalog PDF (OEM #Y00S4320). Inside, you get highly detailed exploded views covering the entire boom cylinder assembly, undercarriage crawlers, and the complete engine block. Open to exact hydraulic piping breakdowns for the travel motors and full electrical schematics that map out every wiring harness and connector routing. Verify your main electrical protection with the 50A slow blow fuse rating, or confirm the exact spec for a 12V55W headlight bulb before calling the dealer for replacements. Stop wasting time ordering the wrong components from confusing aftermarket sites. Download the securely bookmarked file, pull up the right schematic on your tablet, and get your equipment back to work.
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Accelerator Lever, Fuel Tank, Fuel Line | |
| Cooling System | Radiator & Sub-Tank, Radiator Mount, Lub. Oil Cooler | |
| Engine | Muffler, Engine Mount, Frame & Turning Bearing, Hyd. Oil Pump & Joint | |
| Electrical System | Battery, Electric Part | |
| Undercarriage & Travel | Sprocket & Roller, Idler & Crawler Adjust, Crawler, Travel Motor | |
| Hydraulics & 3-Point Hitch | Control Valve Plate, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Blade Cylinder, Offset Cylinder, Turning Motor, Swivel Joint, Control Valve, Remote Control Valve, Hyd. Oil Tank, Hyd. Oil Piping, Control Piping | |
| Loader, Backhoe & Attachments | Boom-A, Boom-B, Boom-C, Bucket Arm & Link, Bucket Pin, Blade | |
| Body & Operator Station | Wind Washer, Heater, Step & Instrument Panel, Seat Mount, Bonnet, Cabin Mount | |
| Decals & Accessories | Label, Safety Label, Greasing | |
| Other Components | Indicator Box, Defroster, Control Equipment, Accumulator, Arm |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuse Rating | 30A | p. 37 |
| Fuse Rating (Slow Blow) | 50A | p. 37 |
| Headlight Bulb Voltage/Wattage | 12V55W | p. 39 |
| Indicator Box Bulb Voltage/Wattage (Type T6.5) | 13.5V-2W | p. 41 |
| Indicator Box Bulb Voltage/Wattage (Type T5) | 14V-2W | p. 41 |
| Spring Dimension (Travel Motor) | 22.5/7X92/8.2 | p. 92 |
| Shim Thickness (Travel Motor) | 32X45X0.3 | p. 92 |
| O-Ring Dimension (Swivel Joint) | 1A P-80.0 | p. 111 |
| O-Ring Dimension (Hyd. Oil Tank) | 1A G-135.0 | p. 131 |
| O-Ring Dimension (Control Valve) | 1A G70.0,NBR | p. 113 |




















