They are regular thread… but tight. Best to use an impact wrench to remove them…
Are John Deere blades reverse threaded?
Yes and no. The lawnmower blades itself is not threaded, but most nuts that held the blade in place are reverse threaded. The reverse thread helps to secure the blade on the drive shaft such that the rotation of the blade does not loosen the nut.
Is a lawn mower blade nut reverse thread?
Most lawnmower blade nuts are reverse-threaded in order to secure the blade on the drive shaft of the engine. This ensures that the blade’s rotation does not loosen the nut. However, not all blades use a reverse-threaded nut to secure them to the engine’s drive shaft.
Which way do John Deere mower blades turn?
Most lawn mower blades rotate in a clockwise direction (counter-clockwise when viewed from below), and as such have the cutting edge on the right side. If you are unsure of how your mower rotates, check the position of the discharge chute; if it is on the right side angled back, the blade turns clockwise.
How do I know if my mower blade is reverse threaded?
Helpful Tips To Know If Lawn Mower Blades Are Reverse Thread
Looking at the bolt will tell you which direction the threads spin. If the threads angle up and to the right, it is a standard bolt, and the nut that fits on it will also be normal.
Which way do you loosen a nut on a lawn mower blade?
Put a wrench socket of the correct size on the head of the bolt securing the blade to the blade holder, and apply force to the wrench handle in the counterclockwise direction to loosen the blade bolt. The bolt may have a 1/2-inch, 5/8-inch or 3/4-inch head, depending on mower model.
What size are John Deere blade bolts?
John Deere Blade Bolt
|Thread Size||0.394 IN|
|Thread Length||1.004 IN|
|Flange Diameter||0.878 IN|
What size are John Deere mower blade bolts?
John Deere Blade Bolt
|Thread Size||12.000 MM|
|Thread Length||19.700 MM|
|Flange Diameter||26.600 MM|
|Head Height||11.800 MM|
Are John Deere decks interchangeable?
So, are lawn mower decks interchangeable? Lawnmower decks are largely interchangeable. Engines will swap without issue. However, blades and drive systems may differ.
What size is the nut on a lawn mower blade?
What size are the tractor cutting blade retainer nuts and what direction should they be turned? The retainer nut on most of our riding mower blades are a 5/8″ thread diameter. This sized thread diameter nut normally requires a 15/16″ wrench or socket tool in order to remove/install.
Which side of the lawn mower blade is up?
The most common and easiest way to tell which side of your lawn mower blade is up, is to look for the label. Most manufacturers will stamp at least one side of the blade with a direction label. These can say things like: “This Side Up”, “This Side Down”, or “This Side Toward The Grass”, depending on the brand.
Are lawn mower blade right or left hand thread?
The overwhelming majority of mower blade retainers (almost all are bolts) are normal right hand thread. The best indicator that the method of retaining the blade(s) might deviate from the norm would be found in the side which the grass is discharged from the mower deck.
Which way do John Deere mulching blades go on?
Look at both sides of the mulching blade. Most blades have the word “bottom” stamped on them, or they have a model number imprinted onto the underside. Whether a word or a number, that side of the mulching blade must face the ground after it is installed and the mower is standing upright.