MTD 123-376A Lawn Mower Manual

The MTD 123-376A is a reliable lawn mower designed for efficient grass cutting with a powerful engine, adjustable cutting height, and user-friendly controls. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting to ensure optimal performance.

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

Features at a Glance

Key features include a durable steel deck, adjustable cutting heights, and a powerful engine for efficient mowing.

FeatureDescription
EnginePowerful 140cc engine for reliable performance
Cutting Width21 inches for efficient grass cutting
Cutting Height Adjustment5 positions for customized grass length
Grass BagLarge capacity bag for easy grass collection
WheelsDurable wheels for smooth maneuverability

Safety Information

Always wear appropriate safety gear, including gloves and eye protection. Ensure the area is clear of debris before mowing.

WARNING! Do not operate the mower in wet conditions to avoid slipping and electrical hazards.

Operation Instructions

To start the mower, ensure the throttle is set to the "Start" position and pull the starter cord firmly.

  1. Adjust the cutting height as needed.
  2. Begin mowing by pushing the mower forward.
  3. Use the grass bag to collect clippings for a clean finish.

CAUTION! Do not place hands or feet near the cutting blade while the mower is running.

Specifications

Maintenance

Regular maintenance is essential for optimal performance. Change the oil every 25 hours of operation and clean the air filter regularly.

Troubleshooting

SymptomPossible CauseCorrective Action
Mower won't startFuel issueCheck fuel level and ensure fresh fuel is used.
Uneven cuttingWorn bladesInspect and sharpen or replace blades as necessary.
Excessive vibrationLoose partsTighten all screws and bolts; check for damage.

Service: For further assistance, contact MTD customer service.

MTD 123-376A Lawn Mower Manual © - All Rights Reserved 2026