Specifications, Service and Repair of Farm and Lawn Tractors

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JD 6140R - Problem solving

Recently I discovered a failure with my John Deere 6140R. Diesel can not turn over. Explain me what is the probable damage?

Fuel type is wrong. Fuel pump not working. Check and overhaul. Incorrect fuel injection pump timing. Perform adjustment.

Here is my question - why steering wheel turns not resisting? What do I need to do for troubleshooting?

Low hydraulic oil level in tank - Top up the oil. Steering cylinder has a defect - Change the seal. Steering pump have worn - Check the steering pump.

I got a JD 6140R in november. Today there is breakdown. Motor not starting. Can anybody help me diagnose the source of failure?

Starter rotates slowly - Replace or repair. Restriction in a fuel pipe - Wash and clean the fuel line. The fuel filter element is dirty - Renstall filter element. Piston rings are damaged - You need repair.

I use the same tractor. Yesterday I saw steering wheel turns bad. Help me find out what is problem?

The minimum oil level. Top up the oil. Leak in hydraulic connections. It is necessary to eliminate a defect. Pump of power steering is broke. Install the new pump. Power steering defect. Install the new power steering.

6140R model failure. Diesel starts hard. Need help to identify occasion of breakdown. What do I need to check?

Clogging in air filter/cleaner. Cold start system worked incorrectly. Damage or wear of piston rings. Gasket Blow-By or Leakage. Water mixed in the fuel. Fuel too heavy at low temperature.

John Deere 6140R diesel failures. Diesel hard starting permanently. How can i fix a failure?

Restricted Fuel Lines. Air Leaks in Suction Lines. Clogging in exhaust pipe. Slow starter speed. Diesel injection nozzles faulty or sticking. Filter clogged. Incorrect timing.

There was a malfunction of steering on our tractor. How can I fix it?

Hydraulic system has a large amount of air. We recommend you release air from system. Oil low level in system. Pour completely. Problem with the hydraulic steering cylinder Make a replacement.

I have the exact same model. Why diesel motor does not start? How do i fix this defect?

Valve timing is improper - Need setting of valve timing. Low compression. Cylinder bores are worn - Repair it. Leakage between valves and seats - Remove leakage.

John Deere 6140R issues. This is the engine knock. what is the breakdown?

Lack of oil. Add oil. This is the low temperature of the coolant.

I can't figure it out why driving front axle is cracking chronically when driving?

Defective gear. You must change the gears. Roller bearings have damage. You need to change it.

I own this model more than 3 years. Sometimes diesel start is difficult. What a breakdown?

Nozzle has clog. You should to diagnose injector. High-pressure fuel pump is damaged. Replace high-pressure fuel pump.

I bought the exact same tractor. Can anybody tell me what reason if differential lock is damaged abruptly? What's solution to the problem?

The diaphragm torn or discs friction clutch worn out. Change worn components.

I'm using JD 6140R. Engine not working. Tell me can I solve the problem myself?

Possibly this is a clogged fuel filter. Or the fuel pump is improperly adjuste.

Please help. Motor constantly overheats. How to repair it?

Little coolant in the cooling system. You need to fill the system. Radiator core or side screens dirty - Clean radiator as required. Diesel Overload - Reduce diesel load. Loose or problem fan belt. Adjust belt tension.

My dad uses 6140R model. Yesterday he got a crunch in the rear axle. What problem tell me?

These sounds talk about destruction of bearings.

Can someone say me why diesel excessive white smoke at idle?

When white smoke comes out of the exhaust pipe you need to carry out replacement of piston rings urgently.

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