________________________________________________________________________________

JD 6120R - How to eliminate malfunctions

A week ago I got a malfunction with my JD 6120R. Diesel will not rotate. Tell me what could be the problem?

You used an incorrect type of fuel. Drive high pressure fuel pump is broken. Diagnose and change. Wrong fuel injection pump timing. Adjustment required.

I would like to know why my steering wheel rotates without resistance? What should I do to correct the situation?

Low hydraulic oil level in tank - Pour completely. This is a steering cylinder malfunction - Change the seal. The steering pump is defective - Replace pump.

I got a John Deere 6120R in september. Nowadays there is problem. Diesel not starting. Could anybody help me define the source of trouble?

Starter failure - Check starter and replace if necessary. Fuel line is clogged up - Clean and wash. The fuel filter element is dirty - Install new filter. Piston rings worn out - Need replacement of piston rings.

I use the same tractor. Recently, steering wheel works hard. Explain to me what is problem?

Low hydraulic oil level in the tank. Pour completely. hydraulic connection leaking. Eliminate a fault. Pump of power steering is broke. Replace the pump. Power steering is damaged. Diagnose the power steering.

6120R tractor failure. Diesel hard to start. Please help me specify main cause of failure. What should I check?

Clogging in air filter/cleaner. Cold start system used incorrectly. Damage or wear of piston rings. Defective fuel pump drive shaft. Water in fuel. Fuel too heavy at low temperature.

JD 6120R diesel engine malfunctions. Diesel is difficult to start permanently. How could i resolve an issue?

Restricted Fuel Lines. Air leaks on suction lines. Restriction in exhaust pipe. Low voltage - Charge battery. Injection fuel is little or the spray is not excellent. Clogged fuel filter. Clean or replace fuel filter. Incorrect timing.

Steering stopped working on my tractor. What is problem?

The hydraulic system has air. We recommend you draw out air. Small level of oil in system. Fill the tank. Steering hydraulic cylinder is damaged Change the seal.

Having used the exact same tractor. Why diesel engine does not start? How could i fix damage?

Wrong valve timing - Adjust valve timing. Bad cylinder compression. Wear cylinder bores - Need overhaul. Leaks between seats and valves - Need Removal of leakage.

John Deere 6120R issue. I hear the engine knocking. what could be the problem?

Oil of small quantity. You should pour this. Cooling temperature is minimum.

I can't find the reason why driving front axle to rattle constantly while driving?

This is the failure of any gear. You must change the gears. Bearings have damage. Fit new bearings.

I'm the owner this tractor about 5 years. Often engine start is intermittent. How to get rid of this?

Injection nozzle is dirty. It is required to check a nozzle. The fuel pump has a malfunction. Do overhaul of fuel pump.

I get the same model. Tell me what's problem if locking differential is defective suddenly? What's solution to the problem?

This is the diaphragm rupture or wear of discs friction clutch. You have to make repairs.

I'm using John Deere 6120R. Diesel engine not working. Tell me can I solve the problem myself?

Most likely fuel filter element has dirt. Otherwise the fuel pump to lost adjustments.

I have the problem. Engine constantly overheats. What could be the problem?

Coolant level lowered. Pour liquid into radiator to recommended level. Radiator core or side screens dirty - Clean radiator as required. Motor overloaded - Reduce motor load. Loose or fan belt issue - Adjust fan belt and replace if needed.

My brother has a 6120R tractor. Two days ago he diagnosed knocking in the rear axle. What's wrong?

These signs denote bearing problems.

Tell me what is the reason that diesel engine exhaust white gas?

If white gas comes from the exhaust pipe you required to change piston rings urgently.