Repowering My MTD
Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
Forum Description: anything you want to talk about except politics
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=210332
Printed Date: 06 Mar 2026 at 11:39pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Repowering My MTD
Posted By: Dave H
Subject: Repowering My MTD
Date Posted: 06 Mar 2026 at 7:04pm
No need to get into why the current engine is toast.  Anyhow I really like this lawn tractor. It came with the twin cylinder opposed motor. Finding a replacement motor of that vintage has proven like impossible so far. Does anyone know of a replacement engine chart that says what else besides my dinasour cousin will fit the mounting, shaft, ect. I don't care about the motor fitting under the sheet metal. This thing has beening running around naked for some time. thanx
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Replies:
Posted By: jaybmiller
Date Posted: 06 Mar 2026 at 8:03pm
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Assuming it's a B&S , drop in a V-twin ! , they run smoother than the opposed, should fit fine.Wiring is the same. LOTS of 'dead ' riders with vtrins in them for sale, anything from 16 to 24 HP will work for you. ------------- 3 D-14s,A-C forklift, B-112 Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
Posted By: Dave H
Date Posted: 06 Mar 2026 at 8:44pm
Jay, Thanks for the reply, are you indicating that the crank shaft diameter and length are about all the same. That is what has me befuddled. Like I indicated fitment on the deck of the chassis and crank has me in a tissy. 
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Posted By: AllisFreak MN
Date Posted: 06 Mar 2026 at 9:13pm
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This thing has beening running around naked for some time. thanx Sounds like a girl I once knew... ------------- '49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2 |
Posted By: Dave H
Date Posted: 06 Mar 2026 at 9:59pm
Allis, you lucky dog. 
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