One output shaft for a Servis Rhino gearboxes used on several models of mowers with a Comer LF139 gearbox! This shaft is approximately 15-3/8″ in overall length, has a 1.97″ X 15 spline lower end with a 30mm threaded end for a castle nut, and a 50mm upper end where the gear sits with 8 splines and a 40mm threaded end at the top. The Comer LF139 is a tall square gearbox with a 4 bolt top cover, a rubber plug in the rear of the gearbox and a unique 6 bolt mounting pattern with 3 mounting bolts on each side. Note: There are several versions of this shaft that have been used, this shaft is 50mm at the top where the gear sits and there are versions with that dimension at 36mm and 45mm. Please check your old shaft for proper dimensions before purchasing this shaft. We will be adding the 50mm version to our offerings shortly! Shaft Specifications: 15-3/8″ Overall length1.97″ diameter at blade pan mount15 tapered splines at blade hub8 straight splines at top for gearthreaded and double drilled at top for bearing adjustment nut and locking pinFits the following machines: TW144 SN 10730 – CurrentFS20 SN 1001-10217CY60TW120 SN 10001 – CurrentSR20 SR14 SN 10001-11410SR15M SR10M SN 10001-18858SR10 SR15 SB10001-11270 We sell all of the replacement parts for most rotary cutters. If you don’t see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Numbers: 00756945 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information. Shipping Information Bidder pays for all shipping charges. Seller will combine multiple winning bids to save bidder money on shipping. Items will be insured for the bid price. Our warehouse hours are Monday – Friday 8:00am – 5:00pm We are located at: Brooks Ag Parts 1726 State Route 125 Amelia, OH 45102 Payment Terms High bidder prepays and adds for above shipping and handling charges. Items must be paid in full within 10 days of auction end. . Ohio Residents Only State of Ohio residents must add 6.75% state sales tax. Both product and shipping / handling charges are subject to state sales tax If this auction is for farm use you can fill out a farm use tax exemption certificate and no sales tax will be applied. Farm use tax exemption certificates must be on file before we ship or sales tax will be applied. Please contact us and we will be glad to send you a tax exemption form. Return Policy Your complete satisfaction is important to us, should you have and problems please let us know so we can correct them. We have a simple return and refund policy. Bidder is responsible for all shipping charges on returned merchandise. All returns must be insured when returned; we will not refund items that are damaged when returned. All returns must be within 30 days of auction end. Please ask questions before you bid, we would rather you get the right part the first time! It saves us both time and money to make sure we have the right item for your needs! If you have any question about the part you need, please call first we will be glad to answer your questions. Additional Information The use of original equipment manufacturer’s names, drawings and part numbers are used for identification purposes only, and Brooks Ag Parts is in no way implying that any of our products are original equipment parts. All parts are guaranteed to meet with your approval! If you are unhappy with your purchase just return it to us and we will be happy to refund your purchase.