BLS110 BALL. Detent Ball or Interlock Ball.

This steel ball is used in many locations on Nuffield, Leyland and Marshall tractors.

Main Gearbox – Selector Rods

Lightweight Leyland tractors.
Two used as detent ball on gear range change lever selector rod and two used on speed change gear lever selector rod.
See item 15 in this illustration.

P.T.O. Selector Housing – Selector Rod

Leyland Lightweight tractors with 2 speed power take off.
Used as detent ball on PTO change lever selector rod.
See number 24 in this illustration.

5 Speed Gearbox – Selector Rods

Nuffield and Leyland tractors with 5 speed gearbox.
Used as detent ball on main gear lever selector rods.
See number 15 in this illustration.

5 x 2 Gearbox – Selector Rods

Leyland tractors with a 5×2 10 speed gearbox.
Used as detent ball on the three main gear lever selector rods and the high/low gear lever selector rod.
See number 20 in this illustration.

P.T.O. Selector Housing – Selector Rod

Leyland and Marshall Heavyweight tractors with 2 speed PTO.
One used as detent ball on the PTO change lever selector rod.
See number 28 in this illustration.

3 x 3 Synchro Gearbox – Selector Rods

On Leyland and Marshall tractors with 3×3 Synchro gearbox.
Two used on 1,2,3 and reverse gear change lever selector rods and two used on low, medium and high gear change lever selector rods.
See number 4 in this illustration.

Safety Switch

On Leyland and Marshall tractors with 3×3 Synchro gearbox.
Two used as safety switch pin actuator.