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- oil sealImages:- no. 3 in the exploded diagram

Rear Crankshaft Seal

If you've been dealing with oil leaks from the back of your Massey's engine into the clutch housing, you know how frustrating it gets. Oil-soaked clutches don't grab right, and that puddle under the tractor never gets smaller. This improved rope seal carrier assembly finally solves the problem that's plagued these classic tractors for decades—traditional rope seals just don't cut it anymore. What You're Getting Modified seal technology that actually works better than the original rope design Complete ready-to-install assembly—no hunting for separate pieces Precision-manufactured for perfect fit on your A3.152, AD3.152, or AD4.203 Perkins engine Stops oil leaks that contaminate your clutch and make a mess under the tractor Built tough enough to handle the constant heat and pressure cycles these engines dish out Built for Real Farm Work Your MF 35 or 135 has probably been earning its keep for decades—whether it's your reliable chore tractor, runs the hay equipment, or handles cultivation and loader work around the farm. These Perkins-powered workhorses are tough as nails, but that rear crankshaft seal area has always been their weak point. This improved design addresses the sealing challenges that traditional rope seals just can't handle in today's farming conditions. Made to Last The modified seal technology in this assembly is engineered specifically to handle the demanding conditions these engines face. Unlike rope seals that compress and leak over time, this improved design maintains its sealing integrity through countless heat cycles and pressure changes. It's built to prevent oil from getting into your clutch housing where it doesn't belong. Installation Notes This is a major repair job that requires splitting the tractor, removing the clutch and flywheel to access the rear crankshaft area. Most farmers leave this one to their trusted mechanic—it's not a weekend project unless you've got experience with engine teardowns. While you're in there, it's smart to check the clutch components and flywheel condition too.