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John Deere 6800 - Troubleshooting Tips

The day before I discovered trouble on my 6800 tractor. Engine can not turn over. Tell me what is the problem?

Fuel type is wrong. Possible failure drive high pressure fuel pump. Diagnose and change. Incorrect fuel injection pump timing. Adjustment required.

John Deere 6800 troubles. Insufficient engine power. How should I solve the problem?

Low compression - Have it repaired by the service representative. Poor atomization at nozzle. Service or replace it.

Tell me what is defect if irregular diesel engine running?

Defective fuel injectors. Fuel injection pump timing. Defective fuel pump. Defective injectors.

JD 6800 question. Transmission shifts hard in reverse. What could it be?

Worn or defective clutch - Replace worn parts.

Please give me information why steering wheel spinning very easy? What do I need to do for troubleshooting?

Minimum Oil Rating - Fill the tank. This is a steering cylinder malfunction - Make a replacement. The steering pump is defective - Check the steering pump.

I got a John Deere 6800 with 741 Loader in february. Presently there is breakdown. Diesel won't start. Could anybody help me define the source of malfunction?

Starter does not work - Replace or repair. Fuel line is clogged up - Flush and clean the fuel pipe. The fuel filter element is dirty - Replace it. Piston rings are damaged - Change piston rings.

I bought the same tractor. Yesterday I saw steering wheel is hard to turn. Somebody tell me what's issue?

Low oil index. Fill the tank. hydraulic connection leaking. It is necessary to fix the problem. Steering pump is defective. Check the steering pump. Power steering defective. Replace it.

JD 6800 problem. Diesel motor hard starting. Please help me recognize the reason of malfunction. What should I do?

Loose or damaged wiring. Check all wiring. Weak or dead battery. Cold start system worked incorrectly. Damage or wear of piston rings. Injection pump drive shaft is defective. Water in fuel. Fuel too heavy at low temperature.

John Deere 6800 diesel issues. Engine is difficult to start sometimes. How can i fix the breakdown?

Restricted Fuel Lines. Air leaks on intake hoses. Restriction in exhaust pipe. Low voltage - Charge battery. Dirty or faulty injectors. Clogged fuel filter. Clean or replace fuel filter. Fuel shut-off valve closed. Open fuel shut-off valve.

Steering doesn’t function on my tractor. How can I fix it?

The hydraulic system has air. We recommend you release air from system. Hydraulic oil small indicator in system. Top up the oil. Wear of the hydraulic steering cylinder Make a replacement.

I own the exact same model. Why diesel doesn't start? How can i fix a failure?

Valve timing is incorrect - Adjust valve timing. Low compression. Cylinder bores wear - You must fix it. Leaks between seats and valves - Remove leaks.

6800 tractor issues. The engine knocks. what kind of failure?

Lack of oil. You should pour this. Too much bearing play. Injection volume incorrectly set - Adjust settings.

I can not understand why front axle to howls regularly during operation?

Defective gear. Replace gears. ball bearings are firmly erased. Fit new bearings.

I own this tractor about 5 years. Recently, engine start is very hard. How to eliminate?

Nozzle has clog. You should to check a nozzle. The fuel pump has a breakdown. Do overhaul of high-pressure fuel pump.

I bought the exact same model. Tell me what's problem if differential lock assembly does not work abruptly? How to solve the problem?

The diaphragm torn or replace friction clutch discs. You have to make repairs.

Our company has John Deere 6800 with 741 Loader. Diesel engine will not start. I need to know how can I fix this?

Possibly this is a clogged fuel filter. Otherwise injection pump not adjusted.

Please help me. Engine overheating occurs. How can I fix it?

Lack of coolant - Refill with coolant. Broken or loose fan belt - Adjust belt tension or replace. Clogged air filter element - Clean or replace air filter. Diesel Overload - Reduce diesel load. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My brother has JD 6800 with 741 Loader. Yesterday he heard a strange noise in the crankcase of the drive axle. What problem tell me?

These sounds talk about defect in the axle reducer.

Help with the question why diesel white exhaust smoke?

If white smoke comes out of exhaust pipe you need to change piston rings immediately. Excessive engine oil - Reduce to specified level.

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R