BOX-UTILITY 4C4783 - Caterpillar

Machine320D FM (S/N: EAX1-466)320D2 FM (S/N: BW21-239)324D FM (S/N: JKR1-195,1200-1226,1350-1412,1500-1633)Off-Highway Truck/Tractor770 (S/N: BZZ1-917,75001-75001)785G (S/N: RTL1-103)793F (S/N: SND1-133; SSP1-1170; SXP1-103; D3T1-143; RBT1-186)793F AC (S/N: EMD1-77)795F AC (S/N: ERM1-296)795FAC XQ (S/N: SNT1-101)797F (S/N: LAJ1-620; WSP1-129)Track Feller Buncher521B (S/N: F7B1-383)522B (S/N: F7C1-338,340-341)Wheel Loader980K (S/N: W7K1-2574; NEP1-114; GTZ1-891,9001-9002)993K (S/N: Z4D1-182,282-288,500-506,701-701; Z8D1-UP; Z4Z1-270,370-389,500-515,701-702; Z8Z1-UP)994K (S/N: MM91-UP; MRK1-204,312-315)Wheel Tractor-Scraper621H (S/N: DBK1-131; HKK1-139; NYY1-129; EAZ1-125)621K (S/N: WTA1-118; WTE1-122; WTL1-1; WTP1-113)623H (S/N: EJD1-105; DBF1-175)623K (S/N: WTB1-218; WTM1-110)627H (S/N: LCT1-115; DBW1-348)627K (S/N: WTC1-248; WTN1-113)631K (S/N: WTR1-102; WTW1-104)637K (S/N: WTS1-111; WTT1-1; WTX1-1)Description Of Change: A new brake charge filter bypass indicator is now used on the machines listed above. The new bypass indicator adds a protective sheath around the base of the wires, an additional seal to the piston, and an improved external seal. These changes will enhance the reliability of the indicator and improves the indicator life.For additional information refer to Service Magazine, M0077718, "New Brake Charge Filter Bypass Indicator is Now Used on Certain CAT® Products".