7X4776 Backup Ring

The 7X4776 backup ring is a transmission seal ring used in Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated trucks: 725, 725C, 730, 730C, D250E, D300D, D300E
• Asphalt pavers and screeds: 10 FT, 10-20B, 8 FT
• Backhoe: BH150
• Backhoe loader: 416
• Challenger tractors: 35, 45, 55
• Ejector trucks: 730, 730C, 740, 740B, D400E II
• Excavators: 312B L, 312C, 315B L, 315C, 317B LN, 318B, 320B, 320C, 322B LN, 322C, 325B L, 325C, 330B L, 330C, 330C L, 345B II, 345B L
• Integrated toolcarriers: IT18F, IT24F, IT28F, IT38F, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H
• Landfill compactors: 826G, 826G II, 826H, 826K
• Logger: 227
• Mini hydraulic excavator: 307B
• Mining excavator: 5110B
• Mobile hydraulic power unit: 330C
• Motor graders: 120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 14H, 14H NA, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA, 16H, 16H NA, 24H, 24M
• Pipelayers: 572R, 572R II
• Soil compactors: 825G, 825G II, 825H, 825K
• Track-type tractors: D10T, D11R, D11T
• Vibratory compactors: CB-434B, CB-434C, CB-534B, CB-534C, CB-535B, CB-544, CB-545, CB-634C, CP-563, CS-323C, CS-531C, CS-533C, CS-563C, CS-583C, CVP16, VVP25
• Wheel dozers: 824G, 824G II, 824H, 824K, 834G, 834H, 844, 844H, 844K, 854G, 854K
• Wheel loaders: 916, 926, 928HZ, 930G, 938F, 938G, 938G II, 938H, 950G, 950G II, 950H, 950K, 962G, 962G II, 962H, 962K, 966G, 966G II, 966H, 966K, 966M, 966M XE, 972G, 972G II, 972H, 972K, 972M, 972M XE, 980G, 980G II, 980H, 980K, 980K HLG, 988G, 988H, 990, 990 II, 990H, 990K, 992G, 992K, 993K
• Wheel tractor-scrapers: 621K, 623K, 623K LRC, 627K, 627K LRC

Cross-reference numbers

• 7X4776

Specifications