Dual-post chain brake – For increased durability
D: 5-1/2" (139
30HP Briggs & Stratton Rider w/61" Mower Deck & R
Designed for minimal effort and maximum results
including bar noses
John Deere F687/717/7H17/7H19/Z710A Bar Blade M135334, M136195 RT50YB50-3.8Q Dual-post chain brake – ForReplaces OEM: John Deere M135334, M136195, M144652, M164016, TCU30316, TCU30317 Jakmax: B1JD1038 Suits models: Riding Mower 54" models F687, 717 Walk Behind 54" models 7H17, 7H19 Zero Turn ZTRAK 54" models Z710A, Z810A, Z820A, Z830A, Z840A, Z850A, Z910A, Z915B, Z920A, Z920M, Z920R, Z925A, Z925M, Z930A, Z930M, Z930R, Z950A, Z960A, Z970A, 717A, 727, 727A, 737, 757 QUIK TRAK 54" models 647A, 657, 657A, 667A Specifications: Length: 19" (482. 60mm) Centre