Specifications, Service, and Repair of Farm and Lawn Tractors

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MF 6455 - Repair assistance

The other day I recognized trouble on my 6455 tractor. Engine doesn't crank. Tell me what is the issue?

You must use the recommended fuel grade. Broken drive on fuel injection pump. Check and repair. Timing of fuel injection pump is incorrect. Adjust if necessary.

Massey Ferguson 6455 damages. Poor engine output. How can I correct the situation?

Too much oil in engine. Uneven fuel injection - Replace injection pump. Valve clearance incorrectly.

Tell me please what is problem if irregular diesel engine running?

Air in the fuel lines or filter element blocked. Check, bleed air or replace the filter element.

6455 model issue. Transmission shifts hard. What's fault?

Synchronizer worn, damaged, or improperly assembled - Replace or reassemble synchronizer.

Here is my question - why my steering wheel rotates not resisting? How do I act to troubleshoot?

Minimum Oil Rating - Fill the tank. Possible malfunction steering hydraulic cylinder - Repair it. Steering pump have worn - Replace pump.

I purchased a MF 6455 in april. Presently there is breakdown. Diesel will not start. Could anyone help me identify a source of failure?

Starter failure - Diagnose starter and reinstall if necessary. Dirt in the fuel system - Clean and wash. Fuel filter is dirty - Install new filter. Piston rings are broken - Must be repaired.

I bought the same model. Yesterday I saw steering wheel operate heavy. Explain to me what is a breakdown?

Minimum Oil Rating. Tight spindles.Different from tyre inflation - Inflate both tyres to same specified pressure. Oil flows out of the system. Eliminate a fault. Steering pump is worn out. Replace the pump. Power steering defect. Diagnose the power steering.

6455 model problem. Diesel motor starts hard. Help me please recognize the source of trouble. What do I need to check?

Engine flooded. Engine oil filter restricted. Water, rust or stale fuel in tank. Cold start system used incorrectly. Piston rings are worn or broken. Injection pump drive shaft is defective. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

Massey Ferguson 6455 diesel breakdowns. Motor hard starting regularly. How could i fix this defect?

Restricted Fuel Lines. Air leaks on intake hoses. Exhaust pipe is clogged. 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 does not operate on my tractor. What's a breakdown?

Hydraulic system has a large amount of air. You should remove air. Hydraulic oil small indicator in system. Pour completely. Wear of the hydraulic steering cylinder Replace the faulty part.

Having used the exact same model. Why engine does not start? How could i fix the breakdown?

Incorrect valve timing - Set a valve timing. Low compression. Cylinder bores wear - Repair it. Leakage between valves and seats - Remove leakage.

MF 6455 malfunctions. The engine knocks. what is the probable failure?

Oil of small quantity. Fill with oil. Coolant temperature dropped.

I have a problem why driving front axle is cracking constantly when driving?

Teeth of gears collapsed. You need to install new gears. Roller bearings crumbled. Fit new bearings.

I own this tractor three years. Regularly engine start is intermittent. What a breakdown?

Injection nozzle has clog. You should to diagnose injector. High-pressure fuel pump is damaged. Repair high-pressure fuel pump.

I get the exact same tractor. Tell me why differential lock assembly does not work immediately? What's solution to the problem?

This is the diaphragm rupture or replace friction clutch discs. Change worn components.

I'm using MF 6455. Engine not working. Tell me can i fix the problem?

We can assume Dirt in the fuel system. Or injection pump adjustment is not correct.

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

Coolant level lowered. Pour liquid into radiator to recommended level. Connecting rod or crankshaft bearings worn. Coolant flow route corroded. Engine overloaded. Adjust the gearing. Excessive engine load. Diesel Overload - Reduce diesel load. Loose or problem fan belt. Adjust belt tension.

My dad uses Massey Ferguson 6455. Yesterday he diagnosed knocking in the crankcase of the drive axle. Which part is damaged?

These signs talk about defect in the axle reducer.

Help with the question why motor white exhaust smoke?

When white smoke comes from the exhaust pipe you need to change piston rings urgently. Insufficient fuel delivery. Shortage of or faulty fuel.

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