Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 4050 - Breakdowns during operation

Some days ago I noticed some problem on my John Deere 4050. Motor can not rotate. Tell me what kind of issue?

Fuel type is wrong. Drive high pressure fuel pump is broken. Inspect and refit. Timing of fuel injection pump is incorrect. Adjustment required.

Here is my question - why steering wheel rotates without resistance? What should I do to troubleshoot?

Low hydraulic oil level in the tank - It is required to add oil. Possible malfunction steering hydraulic cylinder - Change the seal. Pump steering broke - Replace pump.

I bought a JD 4050 in march. Nowadays there is issue. Engine not starting. Could someone help me diagnose the cause of malfunction?

Starter turns bad - Change or refit. Fuel pipes are contaminated - You should make washing and cleaning. Fuel filter is dirty - Replace it. Piston ring failure - Must be repaired.

I use the same tractor. Recently, steering wheel works tight. Help me find out what is problem?

The minimum oil level. Pour completely. Hydraulic connections are not sealed. It is necessary to eliminate the problem. Power steering pump defect. Install the new pump. Power steering defective. Diagnose the power steering.

4050 tractor question. Diesel motor very hard starting. Help me find the cause of issue. What should I do?

Restriction in air filter/cleaner or induction system. Cold start system worked incorrectly. Piston rings are wear or deformed. Valve Leakage/Adjustment Bad. Water in fuel. Fuel too heavy at low temperature.

JD 4050 diesel engine troubles. Diesel motor long starting regularly. How do i solve a problem?

Restricted Fuel Lines. Air leak on the suction side of the system. Clogging in exhaust pipe. Slow starter speed. Dirty or faulty injectors. Filter clogged. Fuel shut-off valve closed. Open fuel shut-off valve.

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

The hydraulic system has air. You must draw out air. Minimum hydraulic oil level in system. It is required to add oil. Problem with the hydraulic steering cylinder Check and repair.

Having used the exact same tractor. Why motor failure to start? How do i fix malfunction?

Incorrect valve timing - Set a valve timing. Compression increase. Wear cylinder bores - Need overhaul. Leaks between seats and valves - Remove leaks.

John Deere 4050 damages. Diesel engine knocks. what could be the problem?

Lack of oil. Fill with oil. Coolant temperature dropped.

Please help to understand why driving front axle is cracking regularly while driving?

This is gears damage. You need to install new gears. Roller bearings crumbled. Replace it.

I own this tractor less than five years. Recently, engine start is very difficult. What a breakdown?

Nozzle has clog. Need to check a nozzle. Injection pump problems. Replace injection pump.

I get the same model. Explain to me what's problem if differential lock is damaged abruptly? How to solve the problem?

Diaphragm worn out or wear of discs friction clutch. Change worn components.

I have 4050 tractor. Motor will not start. Help me can I solve the problem myself?

We can assume this is a clogged fuel filter. Or high-pressure fuel pump is improperly adjuste.

I have trouble. Engine overheating occurs. What kind of malfunction?

Low coolant level. Fill radiator to proper level, check radiator, coolant recovery tank, and hoses for loose connection or leaks. Dirty radiator core, or grille screens. Remove all trash. Motor overloaded - Reduce motor load. Broken or misadjusted fan belt - Adjust or replace.

My friend has JD 4050. Three days ago he diagnosed a noise in the rear axle. What problem tell me?

These sounds point to damaged bearings.

Can someone say me why diesel exhaust with white smoke?

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

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