Part of the Yanmar Parts Manuals.
Looking for the exact factory part numbers to rebuild your mini excavator? This 210-page Parts Catalog PDF breaks down the entire undercarriage, boom, and hydraulic piping systems. You get crystal-clear exploded views of the main boom cylinder, complete with seal kit breakdowns and retainer diagrams. Open to the control box section to find every wire harness assembly and battery clamp listed with its direct replacement code. Verify you have the correct size 80 snap ring for the front idler pulley, and confirm the exact P-20.0 O-ring needed for the hydraulic swivel joint before placing your parts order.
What's Inside This Yanmar YB201 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Truck Shoe | 3-4 | Crawler Assy, Plate Assy, Shoe, Bush, Shoe Plate, Pin, Track |
| Truck Roller | 5-6 | Assy, Shaft, Cover, Seal, Bearing, Circlip, Bracket, Roller |
| Front Idler Pulley | 7-8 | Idler Assy, Shaft, Idler, Bearing, Seal, Snap Ring, Collar |
| Driving Wheel | 9-12 | Motor Assy, Drive, SPROCKET.DRIVE, Valve, Count, Balance |
| Blade | 13-20 | Pin, Collar, Cotter Pin, Nipple B, Grease, Cylinder |
| Main Frame | 21-28 | Lock Pin, Under Cover, Washer, Bolt, Shaft, Pin |
| Control Lever (Driving) | 29-32 | Plate, Lever, Bracket, Yoke Rod, Rod, Knob |
| Control Lever (Operation) R | 33-36 | Lever Stand, Lever, Plate, Bracket, Yoke, Knob |
| Control Lever (Operation) L | 37-44 | Lever STAND(L), Lever, Bracket, LEVER(L), Yoke, Knob (L) |
| Control Lever (Blade) | 45-52 | Bracket, Lever, Rod-End, Bush, Grip, Lever Shaft |
| Control Box | 53-76 | Wire Harness Assy, Lamp Guard, Horn, Battery Clamp, Cable, Battery |
| Hydraulic Oil Tank | 77-78 | Fuel Oil Tank Assy, Sump, Cover, Gauge, Level, Strainer Assy |
| F.O. Tank | 79-80 | Fuel Oil Tank Components |
| Bonnet Relation | 81-92 | Bonnet, Hood, Cover, Latch, Hinge |
| Canopy | 93-100 | Steel Cabin (Optional), Frame, Panel, Glass |
| Boom & Arm | 101-106 | Boom, Arm, Pin, Bushing, Link |
| Bucket | 107-110 | Pin, Bushing, Tooth, Adapter |
| Hyd. Oil Piping (Boom & Arm) | 111-132 | Labels, Swivel Joint, Control Valve, Hose, Pipe |
| Main Boom Cylinder | 133-146 | Seal Set, Rod, Piston, Bush, Cover, Retainer |
| Arm Cylinder | 147-150 | Seal Kit, Rod, Piston, Bush, Cover, Holder, Packing |
| Bucket Cylinder | 151-152 | Seal Kit, Rod, Piston, Cylinder Tube, End Cap, Wiper |
| Blade Cylinder | 153-154 | Seal Set, Rod, Piston, Bush, Cover, Holder, Gasket |
| Swing Cylinder | 155-210 | Seal Set, Rod, Piston, Bush, Cover, Retainer, Cushion |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| O-Ring 1B P 70 Size | P 70 | p. 8 |
| O-Ring 1B P-20.0 Size | P-20.0 | p. 18 |
