ATJ9411 MAIN HYDRAULIC CASE. The first Nuffield 342 / 460 main hydraulic casing with depth control, first fitted in November 1961.

Fitted to tractors with hydraulic unit number; 50201 onwards (imprinted on the top cover housing; NT5943).

Note this early casing has 3 bolt holes where the PTO housing (ATJ6094) is attached. 

See item number 1 in the illustration.

Fitted to tractors:

• Nuffield: 342, 460