Technical seals are made of a mixture of rubber and plastic or metal and are designed to prevent leakage and contamination.

Characteristics:

• Cat® Engineering Seals are designed for ease of assembly, better bolt load retention, reduced clamping force, and improved coverage of mating surfaces.
• The Cat® sealing system has a robust design, testing, and inspection process.
• Get the latest Genuine Cat® Seal to protect your investment.

Application area:

Technical seals are used in many stationary parts of Cat machines and engines.

Compatible Models for Part Number 129-3948:

• GENERATOR: SR4, SR4B, SR4BHV, SR5
• WHEEL-TYPE LOADER: 980C, 980F, 980F II, 980G, 980G II, 994, 994D, 994F, 994H
• WHEEL TRACTOR-SCRAPER: 621B, 621E, 621F, 623B, 623E, 623F, 627E, 627F, 631D, 631E, 633E II, 631G, 633D, 637D, 637E, 637G, 639D
• EARTHMOVING COMPACTOR: 825C, 825G, 826C, 826G, 826G II
• MARINE PRODUCTS: 3406B
• WHEEL DOZER: 814B, 824C, 824G, 824G II
• COLD PLANER: PM-465
• MOTOR GRADER: 16G, 16H NA
• OEM SOLUTIONS: CAT WDS
• ENGINE - TRUCK: 3406B
• ARTICULATED DUMP TRUCKS: D35HP, D400, D400D, D400E, D40D
• TRACK-TYPE TRACTOR: D8N, D8R
• ROAD RECLAIMER: RM-250C, RM-350, RM-350B, RR-250, RR-250B, SM-350, SS-250, SS-250B
• PETROLEUM PRODUCTS: 3512C, 3516C, G3520B
• OFF-HIGHWAY TRUCKS: 69D, 768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 773E, 775B, 775D, 775E, 776C, 776D, 777B, 777C, 777D, 777E, 784B, 784C, 785, 785B, 785C, 785D, 785G, 789, 789B, 789C, 789D, 793D, 789G, 793C, 793F, 793F CMD, 793F OEM, 793F XQ, 794 AC, 795F AC, 795F XQ, 796 AC, 797, 797B, 797F, 798, 798 AC
• ENGINE - INDUSTRIAL: 3176B, 3406B, 3406C, 3512B, 3516B, 3516C, 3516E, G3406, G3516C, G3516E, G3520B, G3520C, G3520E, G3520J
• EXCAVATOR: 375-A, 375-A L, 5080, 5130, 5130B, 5230B
• ENGINE-GENERATOR SET: 3406B, 3406C, G3406, PMG3516, SR4

Specifications:

• Weight(lbs): 0.2
• Length(cm): 15.24
• Width(cm): 20.32
• Depth(cm): 2.54