Quick Answer: How Does The 7 Speed Transmission Work On The Troybuilt Pony Lawn Tractor?

How does a lawn mower transmission work?

Lawn mowers with hydrostatic transmissions allow you to mow through a wide range of speeds, instead of operating with preset gear speeds. Hydrostatic lawn mower transmissions combine a hydraulic pump with a hydraulic motor to power the machine.

How does a variable speed pulley work on a mower?

The variable speed pulley is mounted on a sliding plate, which moves the pulley toward the engine or toward the transmission. As the pulley moves toward the engine, the transmission belt gets tighter. This forces the sliding plate in the variable pulley to squeeze the engine belt.

Why does my hydrostatic transmission won’t move?

Entraining. By far, the most common reason for hydrostatic transmission failure is old hydraulic fluid. John Deere states that “Operating outside of the recommended oil air temperature range may cause premature hydrostatic transmission failure.” Oil must be changed when its anti-foam additive decays.

What is the difference between automatic and hydrostatic transmission?

An automatic transmission performs much like the transmission in a car — you control speed with the gas pedal. A hydrostatic transmission works like an automatic transmission, but uses fluid rather than belts to transfer power from the engine to the wheels.

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How can I speed up my riding lawn mower?


  1. The engine pulley. Lawn mowers always come complete with belt systems that can be made quicker by simply changing the size of the pulley.
  2. The governor. The governor is designed to control fuel flow to the mower engine.
  3. The air filter. Clean your lawn mower’s air filter as often as you can.
  4. The engine oil.

Why does my riding mower go slow?

Your Troy-Bilt riding lawn mower could be moving slow for one of several different reasons, including: Damaged upper drive belt. Shift speed lever is stuck. Idler pulley spring damaged.

How can I get more horsepower out of my riding lawn mower?

How to Get More HP Out of a Lawn Mower Engine

  1. Remove the flywheel housing from the top of your engine.
  2. Unscrew the bolt holding the governor flap next to the flywheel with the proper sized wrench.
  3. Inspect the muffler.
  4. Fill the gas tank on your mower with a high octane gas.
  5. Maximize the air flow.

How do you remove a variable speed pulley?

How to Remove a Variable Speed Pulley

  1. Step One: Remove the Large Spring.
  2. Step Two: Remove the Small Tension Spring.
  3. Step Three: Remove the Upper Drive Belt.
  4. Step Four: Loosen and Remove the Pulley.
  5. Step Five: Inspect the Pulley.
  6. Step Six: Reinstall the Pulley.
  7. Step Seven: Reinstall the Cutting Deck.
  8. Step Eight: Test the Mower.

What does variable speed lawn mower mean?

Variable Speed – This is a system that uses a drive pulley system that allows variable speed without gear changing. Basically it works by slipping the drive belt on pulleys. This type of drive is useful and versatile when you are dealing with variable terrain and inclines.

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How do you release a hydrostatic transmission?

You must disconnect the drive before moving your lawn tractor.

  1. Turn off the engine and crouch down behind the tractor.
  2. Grab the bars with your fingers.
  3. Push down on each bar to force it down into a 1/4-inch slot.
  4. Push or pull the tractor to the desired spot.

How do you adjust the PTO on a Troy Bilt riding lawn mower?

Raise the mower deck to its uppermost position by moving the deck lift lever. The deck lift lever is situated to the right of the PTO lever. Check the blade engagement rod to ensure that its protrusions shift away from the PTO bracket in this setting. Reposition the PTO lever to the “Off” position.

Can you push a riding lawn mower?

If you are pushing the riding mower, make sure the transmission is in the neutral position. If you drive the lawnmower, keep it in low gear. Once the lawnmower is in the back of the moving truck, turn the mowers wheels at least a quarter in any direction to keep it from moving around.

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