XR 4155 stalling issues

   / XR 4155 stalling issues #1  

Kapkichi

New member
Joined
Feb 10, 2024
Messages
3
Tractor
TYM 353
From previous posts I've read I can't find a similar stalling situation to mine. Owned this 4155 about a year has 400 hours. worked great last spring/summer/fall.
I went out to plow last week and tractor started stalling. Would start right up again, but this happened about 4 times in 3 hours. Thought probably fuel issues but now it's warm this week, way above freezing and problem getting worse.
Normally after I cycle key switch to start and after the glow plug indicator turns off the voltage indicator on the dash would read 12.1 v before I started engine. after the engine starts the voltage kicks up to read 14.4v indicating charging.
As this has gotten worse a few times when I cycle the key the voltage reads 10.7 v , the glow plug indicator doesn't go off, engine won't turn over. I turn the key off and try again, sometimes it cycles correctly, registers 12.1 v, engine starts........ runs for awhile then stalls
last time I tried, voltage on dash read 0.0 v. I assume that means something in the circuitry is not letting the voltage into the switch relay to allow tractor to start??
So I assume wiring issue. Battery is fully charged. volt meter reads 12.8. started checking grounds so far all good tight. no corrosion. One time when I had it running I was wiggling the harness that goes to the ECU and the tractor stalled. I pulled the connector and it looked clean. Not sure if that was coincidence. Now I can't get it to start at all, dash voltage reads 0 but battery has 12.8 v

Any thoughts appreciated
 
   / XR 4155 stalling issues #2  
Check the battery cable connections and where the negative cable grounds to the tractor. Sometimes there is paint or rust. Check the connections on the fuse in the black box above the starter. Known for poor connections and galvanic corrosion. Wiggling the ECU harness making the engine stall is interesting. XR4100 series tractors had some issues with that harness rubbing against a bracket on top of the radiator. Inspect it carefully and you may find wires rubbed through. I have seen connections on the starter loose or corroded also. Check all the fuses too.
 
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   / XR 4155 stalling issues #3  
I would probably also try load testing the battery just to make sure it’s actually good.
I am also a XR 4155 owner, only 440 hours so far and no problems, bought mine new in November 2020
 
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   / XR 4155 stalling issues #4  
Check your positive battery cable, especially the area with the main 100 amp fuse that feeds the rest of tractor. I had no starts & weird voltage readings due to corrosion in that area ... three different metals in that section ... the cable connector/the fuse leg/the bolt as well as ring terminal. I ended up replacing the whole assembly with #2 Welding wire/milspec battery terminals/and an ANL fuse/holder. voltage & no start problems went away.
 
   / XR 4155 stalling issues
  • Thread Starter
#5  
Check your positive battery cable, especially the area with the main 100 amp fuse that feeds the rest of tractor. I had no starts & weird voltage readings due to corrosion in that area ... three different metals in that section ... the cable connector/the fuse leg/the bolt as well as ring terminal. I ended up replacing the whole assembly with #2 Welding wire/milspec battery terminals/and an ANL fuse/holder. voltage & no start problems went away.
Thanks alexpops!! Had just about given up. Had my neighbor coming over Friday with a trailer to haul to the dealership. First time around I had removed the ring connector from the terminal and cleaned that but didn't mess with the rest of that connection. 2nd time through I cleaned up that connection with the fuse etc. It really didn't look corroded but that was the only thing I did differently from all the other connections I had checked. Ran fine yesterday afternoon and again this morning. Hopefully that's the end of it.
 
   / XR 4155 stalling issues #6  
Glad it helped. Be aware that the LS battery cables also have a reputation for internal corrosion as well. At some point, you will need to replace them, so think about how you'll want to change things. I gave you my solution, but I'm sure others have different approaches that also work. Boat terminals are another option if you can't find milspec terminals, & I am a HUGE fan of closed lugs, shrink tubing, dielectric grease, and oversized COPPER cables.
 
   / XR 4155 stalling issues #7  
Great to see the problem seems to be resolved !
If it ever happens to mine I will have a good clue what to look for.
 

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