MTD 135-445A Lawn Mower Manual

The MTD 135-445A is a reliable lawn mower designed for efficient grass cutting with a powerful engine, adjustable cutting heights, and user-friendly features. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Operation Instructions 4. Specifications 5. Maintenance 6. Troubleshooting

Features at a Glance

The MTD 135-445A lawn mower includes features such as a 21-inch cutting deck, a powerful 135cc engine, and a 3-in-1 cutting system for mulching, bagging, and side discharge.

FeatureDescription
Cutting Deck21-inch steel deck for durability and performance
Engine135cc engine for reliable power
Cutting Height Adjustment6 positions for customizable grass height
3-in-1 CapabilityMulch, bag, or side discharge clippings
Ergonomic HandleComfortable grip for ease of use

Safety Information

Always wear appropriate safety gear, including gloves and eye protection. Read the manual thoroughly before operating the mower.

WARNING! Keep hands and feet away from the cutting area while the engine is running.

Operation Instructions

To operate the MTD 135-445A, ensure the mower is on a flat surface, adjust the cutting height, and start the engine using the recoil starter.

  1. Check fuel level and fill if necessary.
  2. Set the desired cutting height.
  3. Start the engine and engage the blade.
  4. Guide the mower in a straight line for an even cut.

Specifications

Maintenance

Regular maintenance is essential for optimal performance. Change the oil, clean the air filter, and inspect the blades regularly.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuelCheck fuel level and refill if necessary.
Uneven cutWorn bladesSharpen or replace blades.
Excessive vibrationLoose partsTighten all screws and bolts.
Grass clippings not baggingClogged chuteClear any obstructions in the discharge chute.
MTD 135-445A Lawn Mower Manual © - All Rights Reserved 2026