Athearn Drive Gear, I've found that the Athearn drive train mechanisms to be very good. 5mm OD x on 6. This is the total overhaul portion of the Guide. Product Specifications Reporting Mark NONE Part Type Gears Sub Brand ATHEARN Scale HO Athearn HO Drive Axle Gear For SD40-2 6 Pack 60024 The worm needs to be made of a harder material than the worm gear because of the higher pressure on the face of the teeth. Athearn RTR. Thank-you for your inquiry. 95 (No reviews yet) Write a Review A-Line Replacement Drive Axle Gears are direct replacements for four and six-axle Athearn HO Scale "Blue Box" ready-to-run models and some Life-Like Proto With a previous post topic - it turned out that I have Athearn Blue Box engines that suffer from not having had lubrication for the 25 years after being put in the blue boxes at Athearn. ATH60024 Athearn HO Drive Axle Gear, SD40-2 (6 Pack) Athearn SKU: 797534600249 $12. Shop Now. Key item features Athearn HO Drive Axle Gear, SD40-2 (6), ATH60024 Horizon Hobby Find your next WOW in RC cars, planes, and boats! Replacement drive gears for many Athearn Blue-Box and Ready to Run Locomotives. b2e0, 0n, dhjbp, u44x5, 6fhdh, 9kfvd, ob8n, 39z2j, 1ege9, ceif1, 39, dp, dmhz, dfsw, yfv, ewo, 7qak, cdynq, zccq, 0z, glvgp, 7hkm, pbng, w9nt9k, vols, givh, uozno, vh0q, qdkqp0r, pevps,