Blade Spindle Right - Castelgarden - 125020805/0

This is a genuine Castelgarden right-hand blade spindle assembly, part number 125020805/0. This co...

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eBayGenuine Mountfield 1530M, 1538H Right Blade Shaft - 125020805/0
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Blueperry agriculture (UK)Castelgarden Blade Spindle Right Mp 84 1250208050
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Product Information

Full details

The Castelgarden right-hand blade spindle assembly (125020805/0) is an essential replacement component for owners of Castelgarden, Mountfield, and Stiga Estate lawn tractors who need to restore consistent cutting deck performance. Designed for precision and durability, this genuine part ensures your mower blades spin smoothly and evenly, though it requires specific knowledge of your mower's deck configuration to install correctly.

All features

Model Part Number125020805/0
BrandCastelgarden

Extended Product Information

FAQs

Is this a left or right side spindle?

This is the right-hand spindle assembly for the mower deck.

Does this part include the blade?

No, this is the spindle assembly only; the blade is sold separately.

How do I know if this fits my mower?

Check your mower's parts diagram for the part number 125020805/0 or look for the model number on your Stiga or Mountfield tractor chassis.

Should I replace the mounting hardware too?

It is highly recommended to inspect existing bolts for wear or stretching and replace them if they show signs of fatigue.

What tools are needed for installation?

You will typically need a socket set, a torque wrench, and potentially a wooden block to hold the blade steady while loosening the bolts.

Troubleshooting

Excessive deck vibration after installation

Verify that the blade is properly balanced and the spindle mounting bolts are tightened to the manufacturer's torque specifications.

Blade will not rotate freely

Check for debris wedged between the blade and the deck housing, or ensure the mounting bolt is not overtightened against the spindle shaft.

Uneven cutting height

Confirm that all spindles on the deck are the same type and that the deck itself is level according to your mower's user manual.

Pros and Cons

Pros

  • Genuine OEM part ensures long-term reliability
  • Precise fit reduces installation frustration
  • Restores balanced cutting performance
  • Sturdy housing resists debris damage

Cons

  • Requires mechanical knowledge to install safely
  • Needs verification of specific model year compatibility
  • Does not include mounting hardware (bolts/nuts) in all packages

Setup, Compatibility & Care

To install this spindle, first ensure the mower is parked on a flat surface, the spark plug wire is disconnected, and the mower deck is removed or raised securely. Use the correct socket sizes to remove the old assembly and clean the mounting area of debris before seating the new spindle. To maintain your spindle, inspect it for grease leakage or excessive play at the start of each season. This part is compatible with various Mountfield and Stiga Estate series mowers; always double-check your tractor's serial number and production year against the part number 125020805/0 before purchasing to avoid mismatch issues.

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