Specifications, Service and Repair of Farm and Lawn Tractors

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MF 6255 - Common problems and repairs

Lately I recognized a failure with my Massey Ferguson 6255. Engine will not turn over. Explain me what could be the issue?

Fuel grade is wrong. The injection pump is broken. Diagnose and change. Wrong fuel injection pump timing. Adjust as required.

MF 6255 damages. Poor engine performance. How do I correct the situation?

Fuel shortage - Fill the tank and check fuel quality. Injector pump plunger and barrel worn. Replace with a new one.

Tell me why engine stops suddenly?

Governor, plunger or sliding disc sleeve seized. Check, repair or replace them.

Massey Ferguson 6255 tractor failure. Transmission shift hard at low speeds. What's the reason?

Clutch pedal not fully depressed. Loose shifter housing bolts.

Please give me information why steering wheel spinning too easy? How do I act to get rid of problem?

Low Oil Rating - It is required to add oil. Steering cylinder has a defect - Perform repair. The steering pump is defective - Install a new pump.

I got a MF 6255 in april. Today there is malfunction. Diesel will not start. Could somebody help me define the source of trouble?

Starter faulty - Change or restore. Fuel pipes are contaminated - Clean and flush. Dirty fuel filter element - Change the filter. Piston rings are damaged - Change piston rings.

I have the same tractor. Recently I noticed steering wheel works hard. Can anybody tell me what is problem?

The minimum oil level. Power steering oil low. Refill oil to the required level. Steering shaft and sector gear stuck - Replace it. hydraulic connection leaking. It is necessary to fix a defect. Steering pump is worn out. Repair the pump. Power steering defective. Replace it.

6255 model question. Diesel hard starting. Help me determine occasion of problem. What needs to be repaired?

Improper engine oil viscosity. Loose electrical connections. Cold start system worked incorrectly. Broken or Worn Piston Rings. Broken Fuel Pump Drive Shaft. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

MF 6255 diesel failures. Diesel engine hard starting regularly. How do i fix damage?

Restriction in fuel tank vent. Air leaks on intake hoses. Clogging in exhaust pipe. Low voltage - Charge battery. Injection fuel is little or the spray is not excellent. Filter clogged. Incorrect timing.

Steering does not work on our tractor. What is problem?

The hydraulic system has air. You must draw out air. Small level of oil in system. Pour completely. Problem with the hydraulic steering cylinder Make a replacement.

I am working on the exact same model. Why motor failure to start? How could i fix the breakdown?

Valve timing is improper - Adjust valve timing. Compression increase. Cylinder bores wear - Need overhaul. Leaks between valves and seats - Remove leaks.

6255 tractor breakdowns. I hear a diesel engine knocking. what could be the issue?

Lack of oil. Add oil. Engine oil level low. Incorrect fuel - Fill with right fuel.

I can't find the reason why tractor front axle produces a rumble regularly during operation?

Gears teeth crumbling. Replace gears. Bearings are firmly erased. Swap the replacement.

I'm the owner this model less than five years. Often diesel starting is very hard. How to get rid of this?

Nozzle is dirty. Need to diagnose injector. High-pressure fuel pump is not working. Install a new injection pump.

I bought the exact same model. Tell me what's problem if differential lock can break abruptly? How can I fix it? What should I do?

Diaphragm damaged or disks of the friction clutch are worn out. Change worn components.

We have Massey Ferguson 6255. Diesel engine doesn’t want to work. Help me How can I eliminate a breakdown?

Most likely this is a clogged fuel filter. Otherwise high-pressure fuel pump to lost adjustments.

I have the problem. Motor constantly overheats. What is the fault?

Little coolant in the cooling system. You need to fill the system. Bearings are fitted too tight - Check and adjust. Loose or defective fan belt. Low coolant level. Lack of cooling water - Add cooling water. Engine overloaded - Reduce engine load. Fan belt is damaged. Change as required.

My dad uses 6255 tractor. Day before yesterday he diagnosed a noise in the rear axle. Which part is damaged?

All sounds point to destruction of bearings.

Can someone say me what is problem if motor exhaust white gas?

When white smoke appeared from the exhaust pipe you necessary to change piston rings immediately. Air filter blocked. Clean or replace as per maintenance schedule.

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