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MTD 661 lawn tractor Parts

Here are the diagrams and repair parts for MTD 661 lawn tractor, as well as links to manuals and error code tables, if available.

MTD 661 lawn tractor
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Browse Parts for 661 Riding Mowers & Tractors

  • Seat Assembly for MTD 661 - Part 757-0365

    Seat and main frame diagram

    Seat Assembly

    Part #757-0365

    The manufacturer no longer makes this part, and there's no substitute part

  • Bracket Seat for MTD 661 - Part 783-0607

    Seat and main frame diagram

    Bracket Seat

    Part #783-0607

    The manufacturer no longer makes this part, and there's no substitute part

  • Deck Assy-co for MTD 661 - Part 913-06921

    Mower deck h diagram

    Deck Assy-co

    Part #913-06921

    The manufacturer no longer makes this part, and there's no substitute part

  • Seat for MTD 661 - Part 757-0364A

    Seat and main frame diagram

    Seat

    Part #757-0364A

    The manufacturer no longer makes this part, and there's no substitute part

  • Seat for MTD 661 - Part 757-0350

    Seat and main frame diagram

    Seat

    Part #757-0350

    The manufacturer no longer makes this part, and there's no substitute part

  • Key for MTD 661 - Part 725-0201

    Grille/ hood and fender diagram

    Key

    Part #725-0201

    The manufacturer no longer makes this part, and there's no substitute part

  • Brkt-l.h. for MTD 661 - Part 17669

    Drive diagram

    Brkt-l.h.

    Part #17669

    The manufacturer no longer makes this part, and there's no substitute part

  • Throttle Box Assembly for MTD 661 - Part 831-0823B

    Grille/ hood and fender diagram

    Throttle Box Assembly

    Part #831-0823B

    The manufacturer no longer makes this part, and there's no substitute part

  • Steering Cap for MTD 661 - Part 731-1460

    Steering diagram

    Steering Cap

    Part #731-1460

    The manufacturer no longer makes this part, and there's no substitute part

  • Truss Mach. Ab - Tap Scr. #10 X .5" Lg. for MTD 661 - Part 710-0779B

    Grille/ hood and fender diagram

    Truss Mach. Ab - Tap Scr. #10 X .5" Lg.

    Part #710-0779B

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Main causes: faulty battery, bad alternator…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the starter solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key.…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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