Re: 7010 and 16 row cat
16row @ 3mph does the same 14.5ac/hr as a 12row @ 4mph. That's 2900 bu/hr @ 200 bu/ac.
16row @ 3.5mph is 16.9ac/hr, and 12row @ 4.5mph is 16.3ac/hr. 3380 bu/hr for the 16 row @ 200bu/ac.
7010 clean grain elevator is rated at 6000bu/hr. That's not a problem.
7010 unload auger is rated at 3.2 bu/sec. That's 98.5 seconds to unload a completely full bin (315 bu) if the combine stops to unload. Again, not a problem.
Now for the fun part: 2900 bu/hr is 48.3 bu/min. The cart has 6.5 minutes to run to the truck, empty, and get back under the unload auger before the tank overflows. If you don't get bigger/faster carts, this part is the limiter since it wouldn't change with the bigger head.
Even if the cart has the same unload speed as the combine, it will have to make the trip from the combine to the truck in under 2.5 minutes.
Now, let's say that for 2.5 minutes the combine is in 250 bu corn. That's 151 bushels. It'll take 3.4 more minutes to fill the hopper @ 200bu/ac. That's 5.9 minutes. Now the cart has to beat 2.1 seconds one way.
You want to push it?
Let's assume the 7010 can actually do it:
16 row head, 4mph, in 200 bu corn is 19.4 ac/hr, 3880 bu/hr, 64.6 bu/minute. The cart now has 4.8 minutes to get to the truck, unload, and get back. Again unloading the cart as fast as the combine does, that's 1.6 minutes for a one-way trip. That's 18mph for a 0.5 mile distance.
On the practical side:
7010 isn't designed for a 16 row head in high-yielding corn. You're going to run out of cleaning system or HP very quickly. If you're seeing 100-150 bu corn, you might be able to do it.