Kubota — Replacing Crankshaft Bearing No.1
Repair & overhaul
From a Kubota service manual covering: Hurth HBW 100, Hurth HBW 125, Hurth HBW 150, Hurth HBW 250, Hurth HBW 35, Hurth HBW 50, M-25XPB, M-35B, M-40B. Check it applies to your exact model before use.
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Procedure
- Press out the existing crankshaft bearing No.1 using the replacing tool.
- Clean a new bearing No.1 and the crankshaft journal bore.
- Apply engine oil to the bearing and bore.
- Press in the new bearing so that its seam faces the exhaust manifold side.
Tools required
- Crankshaft bearing No.1 replacing tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Dimension A: 0 - 0.0118 in. (0 - 0.3 mm)
Source: Kubota service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.