2008/12/29 Caterpillar

Motor Grader:

120H (S/N: CAF1-UP; 5FM1-UP; 4MK1-UP; 6NM1-UP; 6TM1-UP; 2AN1-UP; 6YN1-UP; 3GR1-UP; 9YR1-UP; 1241-UP)

12H (S/N: XZJ1-UP; CBK1-UP; 4ER1-UP; AMZ1-UP; 4XM1-UP; 5ZM1-UP; 8MN1-UP; 2LR1-UP; 2WR1-UP; 2GS1-UP; 1251-UP)

135H (S/N: CBC1-UP; BDJ1-UP; 3YK1-UP; 8WN1-UP; AMX1-UP)

140H (S/N: CCA1-UP; XZH1-UP; APM1-UP; 5HM1-UP; 2ZK1-UP; 8JM1-UP; 8KM1-UP; 9TN1-UP; 9ZN1-UP; 3FR1-UP; 3AS1-UP; 1261-UP)

143H (S/N: APN1-UP; 1AL1-UP)

160H (S/N: ASD1-UP; XZK1-UP; 2FM1-UP; CCP1-UP; 3GM1-UP; 6WM1-UP; 9JM1-UP; 3HR1-UP; 2HS1-UP)

163H (S/N: ARL1-UP)

160H (S/N: 9EJ1-UP)

163H (S/N: 5AK1-UP)

Description of Change: The new piston improves the life of the parking brake group by eliminating the possibility of corrosion in the parking brake piston.

Adaptable To: The new piston is adaptable back to first production of the machines.

The new piston is effective with the following transmissions:

• (S/N: DBM1390-UP)

• (S/N: FCD8853-UP)