John Deere 48 in. EZ Trak Power Flow Assembly  "lawn bagger" Questions

We can't find the engine model #or the mower ID #. We have a toro recycler The mower ID is on the body of the mower under the plastic flap for the bagger at the rear of the mower. The engine Id should

...lawn which is requiring us to rake. Why is that? We never had this problem before. I didn't think we had to purchase a bagger for a zero turn unit. the grass is too high, cut it 2 times first cut ...

...not really a clumping problem) My sister in law having the same problem with her toro. Lawnmower repair guy says grass is wet and happens, but should this be happening on 2-3 day without ...