Add Horsepower to 855 compact

   / Add Horsepower to 855 compact #1  

rgsmitty

Member
Joined
Aug 17, 2005
Messages
27
Location
Central PA
Tractor
855 JD
I would like to add 5 HP to my 855, any suggestions?
 
   / Add Horsepower to 855 compact #2  
Thats a big increase, 20%. If you could figure out how to do it , it would probably affect your reliability. The rest of the tractor may not be up to handling the extra power. The 955 is a larger tractor frame with larger displacement engine. I believe it is 30 horsepower as opposed to 24 horsepower for the 855. If the 855 is not up to the task, maybe you should consider buying a 955 or other larger tractor.

I have an 855 and I find it to be well balanced. I always run out of traction or hydraulic lift capability before power.
 
   / Add Horsepower to 855 compact
  • Thread Starter
#3  
Thanks Dennis, I would like to purchase a 84" rear mower.
I don't know if the 855 can handle it.
 
   / Add Horsepower to 855 compact #4  
I have a 60" Bush hog style cutter that it handles well but an 84" sounds like a very tall order for the 855. I believe the Deere site does have some implement compatibility info.
 
   / Add Horsepower to 855 compact #5  
</font><font color="blue" class="small">( Thanks Dennis, I would like to purchase a 84" rear mower.
I don't know if the 855 can handle it.
)</font>

If your 3PH has the weight capacity and your lawn is groomed regularly, you should be able to operate an 84" mower. Befco recommends 20 to 50 HP (PTO) for their 84" unit. Your 855 has 20 PTO HP, so it should work. Worst case is you may have to make partial passes or go a bit slower if the grass is thick.

The Befco weighs 690#, so your 855 can handle the lift. If you don't have a loader, you'll definitely need front weights.
 
   / Add Horsepower to 855 compact #6  
Wow.... 7' of mower on that tractor. At best I've run a 6' mower on an 8n.. it's pretty much at the max doing that.. and it is 27hp/23 pto hp ish.. /forums/images/graemlins/shocked.gif

Soundguy
 
   / Add Horsepower to 855 compact #7  
The size mower your tractor will handle really depends on where you live. A 20HP tractor will power an 84" finish mower here in western Kansas easily if you mow twice a week in the spring. Same setup in Florida would not stand a chance at anytime.
 
   / Add Horsepower to 855 compact #8  
How well do diesels take to Nitrous Oxide /forums/images/graemlins/grin.gif
 
   / Add Horsepower to 855 compact #9  
just like gasoline motors, just pull the pin and wait for the BOOM.......... /forums/images/graemlins/smirk.gif
 
   / Add Horsepower to 855 compact #10  
</font><font color="blue" class="small">( How well do diesels take to Nitrous Oxide /forums/images/graemlins/grin.gif )</font> Actually, propane injection into the air intake is used alot on diesel pickups pulling heavy trailers in the mountains & hilly areas. maybe you can research it a bit & retrofit a unit on your JD. Then explain to your wife why the gas grill tank is always empty !!
 

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