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  1. M

    JD 3720 Battery Drains in a few days

    My battery drains in a few days so i have to disconnect it overnight. I think i maybe the break switch so can anyone tell me where it is located or any other suggestions. thanks in advance
  2. M

    torque values for a JD 3720 cab roof nuts

    Can anyone please tell me the torque values for a JD 3720 cab roof nuts. Greatly appreciated .
  3. M

    JD 3720 BLOWER FAN TROUBLE SHOOTING

    Has anyone repaired or replaced a JD 3720 BLOWER FAN. I changed the switch but it still blows the fuse. Any help would be appreciated.
  4. M

    Bobcat 3400 UTV

    Does anyone have a 2018 or there about Bobcat 3400 UTV to compare ?
  5. M

    JD 3720 HYDRAULIC RETURN LINE HOSE REPLACEMENT

    Has anyone changed the hydraulic return hose on a JD3720. Because its in a tight area with three hose fittings is it posable to replace it without taking off the parts above it or can the new hose be installed without additional work. Thanks in advance
  6. M

    John Deere 3750 error code 51

    Can anyone tell me what error code 51 means on a JD 3720 ? Thanks in advance
  7. M

    John Deere 3720 error code 51

    Can anyone tell me what error code 51 means for a John Deere 3720 ? Thanks in advance
  8. M

    JD 3720 Hydraulic pump return hose assemply leak

    I have a slight intermitting leak in the return hose assembly in a JD 3720. It looks to me like its around the hose clamp of the vertical return pipe but its hard to tell. Can the pumps themselves leak? Has anyone changed this part and can you give me some advice in replacing it and reducing...
  9. M

    JD 3720 BLOCK HEATER

    Would anyone know the minimum amount of time a block heater needs to be plugged in for the engine to start at low idle immediately for a JD 3720. Or is there a chart for this. I understand that it depends on the outside temp., but roughly. Thanks in advance.
  10. M

    JD 3720 cab fan troubleshooting

    If someone could please tell me if you fixed the blower motor fan on a JD 3720 cab mod. The fan stopped running, I changed the 20A fuse and it opened again. The items on the fuse list are : Dome light (that I don't have), radio/blower switch/RH Blower ( I don't know what the RH stand for ...
  11. M

    JD 3720 battery

    Could someone please tell me the recommended cold cranking amps rating for a John Deere 3720 battery. Thanks in advance.
  12. M

    3720 dashboard codes

    Could someone please tell me what the small blinking icon in the upper right of the LCD display that looks like an sideways hourglass or an "H" means also what does DEF means on the JD 3720 LCD. Thanks in advance.
  13. M

    JD 3720 BATTERY QUESTION

    A battery salesman asked me to find out the BCI number with regards to replacing a battery in a JD 3720. The operator's manual call for 500 Cold Cranking Amps at 0 deg F. The tractor has a CCA 600 and 745 CA @32 deg F in it now. Could someone please tell me where I can find information about...
  14. M

    JD 3720 BATTTERY QUESTION

    Could someone please tell me what the BCI number means regarding batteries. The operator's manual calls for 500 cold cranking amps at -18 deg C ( 0 F ). The battery salesman asked me to find out what BCI number is associated with the JD 3720 with cab to help me replace the cca 600 and 745 ca...
  15. M

    R4 and Turf

    I purchased a used JD3720. It has R4 on the front and turf on the back. Is there anything wrong with this setup in the first place and putting chains on the front only for plowing snow. I have a hoe on the back for weight but still had trouble with a 24in snowfall on the grade around the my...
  16. M

    Air Conditioner system squeaks in John Deere 3720

    I have a squeak coming from the engine when the air conditioner is turned on in a JD 3720. Anyone have any experience on how to fix this or what is actually squeaking. Thanks for you help in advance.
  17. M

    Oil plug 3720

    What is torque setting for the oil plug for a JD 3720. Thanks in advance.
  18. M

    John Deere 3720 Oil Plugs Torque

    Could someone please tell me the torque setting of the JD 3720 oil plugs. I have a note in my manual that's N14 = 22 ft lb and C15 = 19 lb . I'm not sure what this means. What is N14 and C15 ? Thanks in advance.
  19. M

    Oil DRAIN PLUG TORQUE

    Would anyone know the drain plug torque value for a JD 3720 ? Thanks in advance.
  20. M

    Ideas for building a 3PH electric winch with breaking system for pulling logs

    I want to building a 3PH electric winch with a breaking system to stop the tractor from rolling when pulling logs to the hitch. Any ideas will be appreciated.
  21. M

    John Deere 3720 attachment pick-up hardware are not equal

    My John Deere 3720 attachment pick-up hardware are not equal when unhooked for attachments. This make it slower to drive up and pick-up something. Is this somehow adjustable ? Thanks in advance.
  22. M

    Tire Selection  Cracks in tire.

    Could someone tell me if there is a product on the market that I could use to fill the cracks in a tire that has developed at the base of the tire tread. I would like to fill the cracks with a gluing agent to bond it back together. Thanks in advance.
  23. M

    Hydraulic quick disconnect for a snowplow leak

    Could you please tell me if a female hydraulic quick disconnect fitting for a snowplow can be repaired in an emergency by wire brushing any corrosion or rust in it or is replacing it the only option. Thanks in advance..
  24. M

    How difficult is it to install a engin block heater in a John Deere 3720

    How difficult is it to install a block heater in a JD3720 and is there anything I need to know before I tackle this job. Thanks in advance.
  25. M

    John Deere 375 Backhoe Zerk Fitting Won't Except Grease

    Can anyone please tell me what to use to clean grease out of a pivot that won't except lube. I checked the grease fitting's alone and they are OK. One is on the lower pivot mount under the seat and the other is horizontal when extending the scoop. Should I purchase a pneumatic grease gun or is...
  26. M

    PARKING BREAK IS FROZEN ON IN A JD 3720

    CAN SOMEONE PLEASE TELL ME HOW TO RELEASE A PARKING BREAK ON A JD 3720. I DON'T KNOW HOW TO GO ABOUT FIXING IT AND WHERE TO BEGIN TO LOOK.. THANKS IN ADVANCE ....M
  27. M

    John Deere 3720 Front Axle leaks

    Can someone tell me how tough a job it is to change the front axle gaskets on a John Deere 3720. I have a oil leak on both sides and I would like to talk to someone who has done this job before I tackle it.
  28. M

    What 3point hitch tiller has a good reputation?

    I' m in the mart for a 3 point hitch tiller. Who has a good reputation and who doesn't?
  29. M

    Marshallcro

    Hi, I'm looking forward to learning about jd3720 and the old farmall cubs.
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