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MF 6612 Issues - Owners questions

Lately I discovered some problem on my 6612 tractor. Motor can not turn over. Tell me please what is the probable failure?

Fuel grade is incorrect. Drive high pressure fuel pump is broken. Diagnose and change. Timing of fuel injection pump is incorrect. Adjust if necessary.

Massey Ferguson 6612 troubles. The engine fails to develop the full power. How to fix an issue?

Crankcase low on oil. Governor spring deformed resulting in low engine rpm. Adjust it or replace with a new spring. Faulty timing.

Tell me why diesel engine stops during operation?

Air in fuel system. Bleed air from system. Fuel tank vent restricted.

6612 tractor failure. Transmission shift hard at low speeds. What happened?

Transmission misaligned - Correct alignment.

I would like to know why steering wheel rotates too easy? How do I act for troubleshooting?

The minimum oil level - Top up the oil. Possible malfunction steering hydraulic cylinder - Change the seal. Steering pump have worn - Repair pump.

I purchased MF 6612 in november. Currently there is trouble. Diesel motor not starting. Can someone help me define the cause of trouble?

Starter faulty - Change or refit. Clogging in the fuel line - Flush and clean the fuel pipe. Dirty fuel filter element - Change the filter. Piston rings are damaged - Replace the piston rings.

I have the same model. Recently, steering wheel turns tight. Explain to me what is a breakdown?

Low hydraulic oil level in tank. It is required to top up the oil. Leak in hydraulic connections. Eliminate a fault. Steering pump is defective. Repair the pump. Hydraulic power steering is defective. Diagnose the power steering.

6612 tractor question. Diesel engine hard starting. Please help me find occasion of damage. What can I do?

Low compression. Oil pump worn or passages obstructed. Cold start system worked incorrectly. Piston rings are worn or broken. Injection pump drive shaft is defective. Water mixed in the fuel. Fuel too heavy at low temperature.

Massey Ferguson 6612 motor troubles. Diesel starts hard regularly. How can i fix malfunction?

Restricted Fuel Lines. Air leakage to the fuel inlet. Clogging in exhaust pipe. Slow starter speed. Dirty or faulty injectors. Filter clogged. Fuel shut-off valve closed. Open fuel shut-off valve.

Steering stopped working on our tractor. What's a breakdown?

The hydraulic system has air. You need draw out air. Low hydraulic oil rate in the tank. Fill the tank. Steering cylinder has problems Check and repair.

I own the same tractor. Why engine failure to start? How do i fix it?

Incorrect valve timing - Make adjustment. High or Low compression. Cylinder bores wear - You must fix it. Leakage between valves and seats - Need Removal of leakage.

MF 6612 issues. This is the engine knock. what could be the failure?

Lack of oil. You should pour this. Engine overheated. Engine overloaded.

I have a problem why tractor front axle produces a rumble constantly at the moment of motion?

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

I have this tractor about 4 years. Sometimes diesel engine start is difficult. How to get rid of this?

Injector has dirt. It is required checking injector. High-pressure fuel pump problems. Repair high-pressure fuel pump.

I have the same tractor. Can someone explain to me why differential lock can break abruptly? What's solution to the problem?

Diaphragm worn out or wear of discs friction clutch. Requires repair.

I'm using Massey Ferguson 6612. Diesel engine will not start. I need to know what is problem?

Possibly fuel filter clogged. Otherwise injection pump to lost adjustments.

I have trouble. Motor constantly overheats. What could be the problem?

Low coolant level - Fill coolant and check cooling system for loose connections or leak. Radiator screen or fins clogged - Clean radiator screen or fins. Diesel Overload - Reduce diesel load. Fan belt is damaged. Change as required.

My friend has MF 6612. Day before yesterday he diagnosed a strange noise in the rear axle. What is the malfunction?

All sounds talk about damaged bearings.

Can someone say me why engine emits white smoke?

When white smoke comes from exhaust pipe you need to change piston rings immediately. Excessive engine oil - Reduce to specified level.