CTJ5271 LOCK NUT. Leyland and Marshall two-speed PTO output shaft locking nut.

Lack of PTO shaft maintenance (greese in the lemon tube) can cause this lock nut to work loose.

The workshop manual specifies this lock nut is torqued to 150 lbs/ft after the application of threadlock adhesive.

See item number 29 in the illustration.

Fitted to tractors:

• Leyland: 285, 2100, 485, 4100
• Leyland: 602, 604, 702, 704, 802, 804 (2-Speed PTO)
• Marshall: 602, 604, 702, 704, 802, 804, 904XL, 752XL, 754XL, 852XL, 854XL, 952XL, 954XL