8G2366-40 MAIN BEARING SET – .040(U/S). Undersized crankshaft main bearing set for 0.040″ (1.016mm) undersize crankshaft in 4 cylinder BMC 3.4T/TA and 3.8T/TA engines.

See item 1 in the illustration.

Fitted to:

• Nuffield Universal Four (4DM)
• Nuffield 460)
• Nuffield 10/60 (some late build Nuffield 10/60 tractors were fitted with the 3.8TD engine and therefore require larger bearings).

Note: If your crankshaft is worn or damaged it can be reground to take undersize bearings. Undersized (U/S) bearings have same measurement at outer side but are a little bit thicker from inner side. The following standard and undersize bearings are available;

8G2366 MAIN BEARING SET STD
8G2366-10 MAIN BEARING SET – .010(U/S)
8G2366-15 MAIN BEARING SET – .015(U/S
8G2366-20 MAIN BEARING SET – .020(U/S)
8G2366-30 MAIN BEARING SET – .030(U/S)
8G2366-40 MAIN BEARING SET – .040(U/S
8G2366-45 MAIN BEARING SET – .045(U/S)
8G2366-50 MAIN BEARING SET – .050(U/S)
8G2366-60 MAIN BEARING SET – .060(U/S)