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JD 6900 Issues - Repair assistance

Lately I noticed a failure on my John Deere 6900. Engine does not rotate. Explain me what kind of problem?

Fuel grade is wrong. The fuel pump drive is faulty. Check and repair. Incorrect fuel injection pump timing. Adjustment required.

Here is my question - why steering wheel spinning without resistance? What should I do to correct the situation?

Low hydraulic oil level in tank - Pour full. Possible malfunction steering hydraulic cylinder - Make a replacement. Defect in the power steering pump - Replace pump.

I acquired a JD 6900 in july. Today there is damage. Diesel not starting. Could somebody help me find the source of breakdown?

Starter failure - Replace or repair. Fuel pipes are contaminated - Flush and clean the fuel pipe. There is dirt in the fuel filter - Install new filter. Piston rings are broken - Refit a new set of piston rings.

I have the same model. Yesterday I saw steering wheel works hard. Can anybody tell me what's malfunction?

Minimum Oil Rating. Fill the tank. Breakage of hydraulic hoses. Eliminate a defect. Pump of power steering is broke. Check the steering pump. Power steering is worn out. Requires repair.

6900 model question. Diesel hard to start. Help me determine the cause of breakdown. What should I check?

Clogging in air filter/cleaner. Incorrect functions of the cold start system. Wear or deformation of piston rings. Broken Fuel Pump Drive Shaft. Water mixed in the fuel. Crankcase oil too heavy. Use oil of proper viscosity.

John Deere 6900 diesel motor damages. Engine hard to start regularly. How can i resolve the question?

Restriction in fuel tank vent. Air Leaks in Suction Lines. Clogging in exhaust pipe. Slow starter speed. Injection fuel is little or the spray is not excellent. Filter clogged. Long Idle periods.

There was a breakdown of the steering on our tractor. What is problem?

The air was formed in hydraulic system. We recommend you remove air. Hydraulic oil low level in the tank. Fill the tank. Steering hydraulic cylinder worn out Change the seal.

I have the exact same model. Why motor does not start? How could i resolve an issue?

Incorrect valve timing - Need setting of valve timing. Bad compression. Wear cylinder bores - You must fix it. Leakage between seats and valves - Eliminate leak.

John Deere 6900 troubles. I hear the engine knocking. what is the probable malfunction?

Lack of oil. Fill up. Coolant temperature dropped.

I can't figure it out why driving front axle to rattle continuously when driving?

Gears teeth crumbling. You must change the gears. ball bearings are firmly erased. Fit new bearings.

I own this model less than five years. Regularly diesel start is intermittent. What a breakdown?

Nozzle has clog. Need to inspect a nozzle. Injection pump is damaged. Do overhaul of fuel pump.

I have the exact same tractor. Tell me what's problem if locking differential broke down abruptly? How can I fix it? What should I do?

Diaphragm worn out or wear of discs friction clutch. Change worn components.

Our company has JD 6900. Engine not starting. Tell me how can I fix this?

Possibly fuel filter element has dirt. Or high-pressure fuel pump to lost adjustments.

Please help. Motor overheating occurs. What kind of malfunction?

Low coolant level. Fill radiator to proper level, check radiator, coolant recovery tank, and hoses for loose connection or leaks. Clogged radiator - Clean the core. Too much load - you must reduce the load or speed. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My father has 6900 model. Three days ago he heard a strange noise in the rear axle. Which part is damaged?

These sounds point to damaged bearings.

Tell me what fault if diesel emits white smoke?

If white gas appeared from the exhaust pipe you necessary to change piston rings immediately.