Re: info on 9600 intake/exhaust, davedan and other
Yes a 30ft head doing 5-5.5 would be the same but the machine wont last as many years if you get in bad field conditions often at those speeds. I like to run larger heads and back off on ground speed and to the same amount of work.
Your right about a 260hp corn machine getting to 300 pretty easily at 20%
No I dont think the engine is maxed out. corn or not its still a 7.6 liter engine capable of more power.
My concern with all deere combines including my 50walker Ive had isses with, is that of the deere OEM aftercoolers installed in these machines that are in my opinion sub standard and made by the lowest bidder. Im sure youve heard of these coolers cracking mainly because of being furnaced brazed. I had major issues with my 50 last season in this area and had no choice but to put an oem back in it, didnt have time to make a custom one up,is I did I would have made it larger.
In my opinion the aftercoolers are the heart of any modded diesel, if you cant keep the egts down it wont last. Keep close eyes on the fins of the cooler to make sure they are straight enough to clean and self clean as well. If any grain enters the engine compartment or get splashed in front of the rotary screen either from a leaky elevator head or extension, your lookin for trouble and this will sureley ruin your cooling system and aftercooler.
If the cooler is in good shape then a pyrometer probably isnt necessary, unless you are givin it enough fuel to make it haze under load constantly, or 30% increase. Extreme heat is something to think about too.
If youve ever set off the seperator temperature light in the 9600 then either the switch is bad or you have extreme operating conditions and exhaust must go and add a pyro.
Yes on the beater speed up kit in small grains but might crack beans and milo, havent cracked corn yet with mine up to 125% speed.
I think one of the best things I got rid of on my rigs is the choppers. If you can do without them trash them, they shake too much, cost too much, and suck too much horsepower.
We bale almost all our straw here and have never needed choppers, spreaders work just fing.
Youll need the larger 2 3/8" lift cylinders for the feeder house with heads over 30 ft. You might get by with stockers but if the pump gets a little weak you might have issues, and also your accumulator will be too sluggish even at almost closed settings.
If you can get rid of the OEM beater youll be much happier also, either loewen, PF or sunny makes good beaters much more aggressive than stock. Also Ive dropped all the beater grates to the bottom position in all my machines and have had no backfeeding issues since. No loss to speak of on walkers either however our wheat here is super dry.
A cheap mod is to raise the back end of the machine up by putting the axle in the bottom position holes, and 16.9-24s or larger on the rear, raking the machine in the rear helps with shoe and walker loss.
Get rid of the beater grate curtain, NOT the two curtains on top of the walkers, just the one that mounts to the back of the beater grate, infront of the walkers.
Cut the wires in your concave so the back half is wide open with no wires to help walker loss.
Ignore the factory settings of the precleaner and open it up a bit if not the same as the bottom sieve and add another 100+ rpm of air, or as much as air as you can as long as you dont catch any with a shovel hanging over the back as it makes a pass.
I like 1250rpm air in heavy wheat with my 50 walker cutting 36 ft.
