World American 5-677XR 1760 Series Half Round Universal Joint HR Style, 1.938 Inch Cap, 7.000 Inch Plate, Greasable - Replaces for Spicer 15-677X, Meritor M677X, Automann 752.5677X

Short Summary: The World American 5-677XR is a heavy-duty 1760 Series Half Round universal joint designed for commercial truck driveline systems. Featuring HR style bearings, greasable construction, and precision-machined components, this U-joint delivers reliable torque transfer and extended service life in severe-duty applications.Key FeaturesSeries: 1760 Series (Half Round, HR Style)Bearing Cap Diameter: 1.938 InchesBearing Plate Width: 7.000 InchesCross Diameter: 1.298 InchesOverall Length (Over Cap): 6.541 InchesGreaseable: Yes, for extended service lifeApplication: Heavy-duty commercial truck drivelinesVehicle & Driveline Compatibility Designed for use in driveline systems requiring 1760 Series HR style universal joints. Commonly found in Freightliner, Mack, Volvo, Navistar, GMC, and PACCAR truck applications across highway, vocational, and fleet vehicles. Replaces OEM & Aftermarket Part NumbersSpicer: 15-677X, 1760HR, R1760HR, S677X, SP5-677X, SD5677X, E677XMeritor: M677X, CP677X, R677XAutomann: 752.5677X, 8235R677XNeapco: 6-0677, 6-0677PQSKF: UJ877Freightliner: 015677X, SP5677X, TDAR5677XMack: 1000-UJ677, 2104-5677XNavistar: 2502647C91, FLT5677X, ZKC677Volvo: 3918980, RCUJ677PACCAR: DS677, DS15-677XQuality & Reliability Manufactured to meet or exceed OEM specifications, the World American 5-677XR universal joint provides dependable performance, reduced driveline vibration, and long-lasting durability for demanding commercial truck operations.

• Heavy-Duty 1760 Series Half Round universal joint with HR bearing style, 1.938 inch bearing cap diameter and 7.000 inch bearing plate width, designed for high-torque driveline applications in commercial trucks and vocational vehicles.
• Greasable cross design improves service life by allowing regular lubrication, reducing friction and heat buildup during operation, ideal for fleet maintenance programs and severe-duty driveline environments
• Precision-machined cross diameter of 1.298 inches with over-cap length of 6.541 inches ensures accurate fitment, smooth power transfer, reduced vibration, and long-term durability under heavy load conditions.
• Direct replacement for multiple OEM and aftermarket part numbers including Spicer 15-677X, Meritor M677X, Automann 752.5677X, Neapco 6-0677, SKF UJ877, and Freightliner 015677X.
• Suitable for Freightliner, Mack, Volvo, Navistar, GMC, and PACCAR driveline systems using 1760 Series HR style joints; engineered to meet or exceed OEM performance and reliability standards.