Here are the diagrams and repair parts for Official MTD 33905A lawn tractor, as well as links to manuals and error code tables, if available.
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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.
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Part #710-0654A
Part #710-0809
Part #710-0837
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: faulty battery, bad alternator…
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.
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If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…
Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…
Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Check the starter solenoid, starter motor, wiring, battery and engine.…