COUPLER-VALVED 8T5227 - Caterpillar

(8YG) 988F Series II (2ZR) 992D (7MJ) Wheel LoadersDescription of Change: A new Transmission Neutralizer Switch is being used in the brake control groups of the machines listed. The new switch is more resistant to leaking and increases service life.Adaptable To: The new 129-4143 Transmission Neutralizer Switch Group is a direct replacement for the former 4E-4456 Switch Group (canceled). This switch is effective with 988 Series II (2ZR507-Up with the 4E-4521 Brake Control Group and 992D (7MJ681-Up) with the 4E-7516 Brake Control Group. The new switch is adaptable to the 988F (8YG1-Up), 988F Series II (2ZR1-506) with the 4E-4521 Brake Control Group and 992D (7MJ1-680) with the 4E-7516 Brake Control Group.