The EA aerator is way too much for my X738, so I opted for a lighter duty unit. I just took delivery of this 48" plug aerator last week. They are really hard to find in the spring, so I went ahead and purchased it now. I took advantage of the seller's free gift card on purchase, which effectively knocked $100 off the price (not really, as I have to spend it after the purchase). They also have a 60".
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This one weighs under 200 pounds, but of course will need added weight in use. But i can adjust that total weight based on penetration, and will be far under the 800 pound load of the EA aerator. That said, this is not an apples-to-apples comparison. The EA unit is far better than this one in build quality, features, etc, but way beyond my weight capacity, and frankly, my price point. Both are a heck of a lot better than using the small walk-behind units.