Stop struggling to identify missing hardware on your compact excavator with this 212-page Yanmar YB201, 3T75H-LTBS parts catalog PDF (OEM #000Y00K2032). It breaks down every assembly for the YB201 family, including the YB201Z, YB201U, and YB201UZ variants. Open the file to find detailed exploded views of the entire machine, from the lower frame and truck rollers to the main boom cylinder. You get clear component identification showing how the high-pressure hydraulic oil piping routes through the chassis, alongside complete hardware lists for the driving wheel motors and turning reduction gears. Verify exactly which seals you need, like the four 1B P-20.0 O-rings for the lower hydraulic piping or the specific size 80 snap rings required for the idler assembly. Ordering the wrong piece costs you days of downtime. Grab this bookmarked manual, jump straight to your system, and order the correct factory part the first time.
What's Inside This Yanmar YB201 Series Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Truck Shoe | 5-6 | Frame, Lower, Crawler Assy, Plate Assy, Shoe, Pin, Track, Bearing |
| Truck Roller | 7-8 | Assy, Shaft, Seal, Bearing, Circlip, Bracket, Roller |
| Front Idler Pulley | 9-10 | Idler Assy, Shaft, Idler, Bearing, O-Ring, Snap Ring, Seal, Cylinder |
| Driving Wheel | 11-12 | Motor Assy, Drive, Sprocket, Valve, Count, Balance |
| Blade | 13-16 | Pin, Collar, Nipple, Grease, Cylinder |
| Lower Hydraulic Oil Piping | 17-18 | Pipe, High Pressure, Connector, O-Ring, Nipple, Elbow, Guard, Hose |
| Turning Driving Gear | 19-20 | Reduction Gear Assy, Pinion, Turning, Bearing, Motro Assy, Valve, Brake |
| Main Frame | 21-28 | Lock Pin, Under Cover, Bracket, Boom, Shaft, Pin, Cylinder, Bush |
| Control Lever (Driving) | 29-32 | Lever, Rod, Bush, Spring Pin, Knob, Bolt |
| Control Lever (Operation) R | 33-36 | Lever Stand, Lever, Rod, Bush, Universal Joint Assy, Bolt |
| Control Lever (Operation) L | 37-44 | Lever Stand, Lever, Rod, Bush, Snap Ring, Bolt |
| Control Lever (Blade) | 45-52 | Lever, Rod, Bush, Washer, Bolt, Lever Shaft |
| Control Box | 53-76 | Wire Harness Assy, Lamp, Relay, Battery, Cable, Nut |
| Hydraulic Oil Tank | 77-78 | Sump, Gasket, Cover, Screen, Valve, Gauge |
| F.O. Tank | 79-80 | Cover, Plate, Hinge, Seat, Lock Assy, Nut |
| Bonnet Relation | 81-100 | Cover, Plate, Hinge, Lock Assy, Washer, Bolt |
| Boom & Arm | 101-108 | Boom Assy, Main, Bush, Collar, Pin, Arm Assy, Cylinder |
| Bucket | 109-110 | Bush, Cutter, Teeth Assy, Teeth, Shim |
| Hyd. Oil Piping (Boom & Arm) | 111-133 | Pipe, Hose, Nipple, Elbow, Clamp, Protector |
| Main Boom Cylinder | 134-147 | Cylinder, Main Boom, Seal Set, Rod, Piston, Bush, Nipple |
| Arm Cylinder | 148-151 | Cylinder, Arm, Seal Kit, Rod, Pist |
| Bucket Cylinder | 152-153 | - |
| Blade Cylinder | 154-155 | - |
| Swing Cylinder | 156-212 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| O-RING 1B P 70 | 4 | p. 8 |
| SNAP RING 80 | 4 | p. 8 |
| O-RING 1B P 50 | 2 | p. 8 |
| O-RING 1B P-20.0 | 4 | p. 18 |
| O-RING APR568-910-1B | 2 | p. 18 |
| O-RING 1B-P29 | 1 | p. 76 |
| CIRCLIP 6 | 2 | p. 78 |
| CIRCLIP 72 | 6 | p. 6 |
| CIRCLIP 63 | 1 | p. 133 |
| WEARING SW-75-69-20 | 1 | p. 135 |
| WEARING SW-63.57.16 | 1 | p. 151 |
| O-RING 1A G-60.0 | 1 | p. 124 |
Yanmar YB201 Series Common Problems This Manual Covers
Need exact Yanmar YB201 truck roller seal and ring part numbers due to leaking lower chassis rollers p. 8
Inspect the Truck Roller assembly breakdown on page 8. Identify the specific O-RING 1B P 70 (quantity 4 required) and SNAP RING 80 (quantity 4 required) in the parts list. Cross-reference these part numbers with your exact serial number before ordering replacements.
Manual Section: Truck RollerCannot locate the correct internal wear ring part number for a leaking main boom cylinder p. 135
Check the Main Boom Cylinder exploded view on page 135. Locate the WEARING SW-75-69-20 (quantity 1) in the internal piston components list. Verify the seal set and rod part numbers match your specific machine variant before purchasing the rebuild components.
Manual Section: Main Boom CylinderTrying to identify the correct replacement o-rings for leaking high pressure lower hydraulic oil piping connectors p. 18
Review the Lower Hydraulic Oil Piping diagram on page 18. Find the required O-RING 1B P-20.0 (quantity 4) and O-RING APR568-910-1B (quantity 2) in the connector breakdown. Match the nipple and elbow part numbers to ensure complete system compatibility.
Manual Section: Lower Hydraulic Oil PipingNeed the internal wear ring spec and part number for a rebuilt arm cylinder with weak movement p. 151
Examine the Arm Cylinder internal components list on page 151. Find the exact WEARING SW-63.57.16 (quantity 1) required for the piston assembly. Confirm the rod and seal kit numbers align with your specific excavator configuration prior to ordering replacement parts.
Manual Section: Arm CylinderFrequently Asked Questions
How do you fix need exact Yanmar YB201 truck roller seal and ring part numbers due to leaking lower chassis rollers?
Inspect the Truck Roller assembly breakdown on page 8. Identify the specific O-RING 1B P 70 (quantity 4 required) and SNAP RING 80 (quantity 4 required) in the parts list. Cross-reference these part numbers with your exact serial number before ordering replacements.
How do you fix cannot locate the correct internal wear ring part number for a leaking main boom cylinder?
Check the Main Boom Cylinder exploded view on page 135. Locate the WEARING SW-75-69-20 (quantity 1) in the internal piston components list. Verify the seal set and rod part numbers match your specific machine variant before purchasing the rebuild components.
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