First, this is just a gearbox with the shafts. it's what you need if the input shaft can spin without spinning the output shaft. That out of the way, there are a few things to note in doing the replacement. You need to reuse all the hardware within the wheels and on the input shaft. This includes a tiny (SPRING LOADED, don't lose it) key under the wheel gears, and a tiny spring under that key which will need some sort of pick to delicately remove. Spraying cleaner in there first helps. To remove the shaft from the mower (and to get the new one in, you'll need a half inch crescent and half inch socket to remove the mowing height adjustment plate on the same side as the gearbox, the other side can remain in place. When you go to remove the pully, odds are your input shaft will just spin (otherwise why are you getting a replacement gearbox), making the nut impossible to remove. What you do is remove the bottom plate from the transmission, then the shaft will pull out of the housing, exposing the crown gear. If you clean around it, there is a 7/8" hex so you can get a socket on the crown gear to hold it while you remove the pully. When you replace the gears, they have an 'L' and an 'R' on them which if the gear is on that side of the mower, the letter should point outwards. If they are swapped (L on the right), you need the letter to point inwards. You need to put the spring in the shaft, followed by the key, rounded side down, then press the key down and simultaneously slide the gear over it. After all that, realize you didn't reinstall the inner part of the wheels first and have to tear it apart and do it again because they don't fit over the gears. The rest of it is very straightforward.Read full review
Verified purchase: Yes | Condition: New
This transmission/gear assembly works perfectly, install was a breeze. The screws on top of the plastic gear cover were threaded without issues. Very happy with the results. Great inexpensive replacement part.
Verified purchase: Yes | Condition: New
Not really a well-designed product, since it often needs replacing. Installation is fairly complex, so I disassembled partially, and took to mower shop to finish. Top mounting holes needed to be tapped, which could more easily have been done at mfg.
Verified purchase: Yes | Condition: New
The item was very complex to install but it works great. A normal person may not be able to install. I would recommend to anyone who is mechanically incline.
Verified purchase: Yes | Condition: New
Bought the product and installed it on my mower. Worked well while cutting back yard but gears started slipping before I could finish cutting back yard. Gears started failing. Then the mower stopped pulling.
Verified purchase: Yes | Condition: New
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