Murray 40373x51B Parts Manual

Pages 37

Year 2023

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Murray 40373x51B Tractor Specification

The Murray 40373x51B Tractor is a robust and versatile lawn tractor designed for efficient and reliable performance in residential lawn maintenance. Powered by a 17.5 horsepower Briggs & Stratton single-cylinder engine, this tractor provides ample power for a variety of mowing tasks. The engine features an electric start system, ensuring quick and hassle-free starts. The tractor offers a 42-inch twin-blade cutting deck, which delivers a clean and even cut. The cutting height can be adjusted through six different positions, ranging from 1.5 to 4 inches, allowing for customizable lawn care.

The transmission is a 7-speed gear drive, providing smooth and responsive control over mowing speed and maneuverability. The Murray 40373x51B is equipped with a comfortable mid-back seat and an ergonomic steering wheel, designed to reduce operator fatigue during extended use. The tractor includes a tight 18-inch turning radius, which enhances its ability to navigate around obstacles and in confined spaces.

Safety features include a blade brake clutch (BBC) system that stops the blades without shutting off the engine, and an Operator Presence Control (OPC) system that automatically shuts off the blades when the operator leaves the seat. For added convenience, the tractor is designed with a deck wash port that allows for easy cleaning of the cutting deck.

The overall construction of the Murray 40373x51B Tractor is durable, with a steel frame and a rust-resistant finish, ensuring longevity and reliability. This lawn tractor is an excellent choice for homeowners seeking a powerful and dependable machine for maintaining medium to large-sized lawns.

Murray 40373x51B Tractor F.A.Q.

How do I change the oil in my Murray 40373x51B Tractor?

To change the oil, first ensure the engine is off and cool. Remove the oil drain plug and allow the old oil to drain completely. Replace the drain plug and refill with the recommended oil type and quantity. Check the manual for specific details.

What should I do if my tractor won't start?

If your tractor won't start, check the battery connections for corrosion, ensure the fuel tank is not empty, and inspect the spark plug for damage or wear. Verify that the safety switches are engaged.

How often should I sharpen the blades on my Murray tractor?

Blades should be sharpened after approximately every 25 hours of use or whenever you notice a decrease in cutting performance. Regular inspection and sharpening will ensure optimal performance.

What type of fuel is recommended for the Murray 40373x51B Tractor?

The tractor is designed to run on unleaded gasoline with a minimum octane rating of 87. Avoid using gasoline with more than 10% ethanol.

How do I adjust the cutting height on my tractor?

To adjust the cutting height, locate the height adjustment lever on the tractor, usually found near the driver's seat. Move the lever to the desired cutting height position. Always adjust with the engine off.

What maintenance should be performed before storage?

Before storage, clean the tractor thoroughly, change the oil, add a fuel stabilizer, and disconnect the battery. Store in a dry place and cover to protect from dust and moisture.

How do I replace the air filter?

To replace the air filter, remove the cover from the air filter housing, take out the old filter, and insert a new one. Ensure it is properly seated and replace the cover.

What should I do if my tractor is emitting black smoke?

Black smoke may indicate a clogged air filter or an issue with the fuel system. Check and replace the air filter if needed and ensure the fuel is fresh and of the correct type.

How do I troubleshoot uneven cutting?

Uneven cutting can be caused by dull blades, incorrect tire pressure, or uneven deck height. Sharpen the blades, check tire pressure, and ensure the deck is level.

What is the procedure for checking tire pressure?

To check tire pressure, use a tire gauge to measure the pressure when the tires are cold. Adjust to the recommended PSI as specified in the owner's manual.