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Home / Farm Tractors / John Deere Tractors / JD 6200

John Deere 6200 Troubleshooting

The John Deere 6200 is a 6000 series utility tractor. This model was manufactured from 1993 to 1998. The John Deere 6200 tractor is powered by 239 cu.in (3.9L) John Deere CD4039 4-cycle 4-cylinder turbocharged liquid cooled diesel engine with a maximum power of 89 hp (66.4 kW).

The John Deere 6200 is fitted with four types of transmission. Type 1: 12x4 SyncroPlus fully synchronized transmission. Type 2: 16x16 PowrQuad partial powershift transmission. Type 3: 15x5 SyncroPlus fully synchronized transmission. Type 4: 20x20 PowrQuad partial powershift transmission.

Max forward speed - 18.7 mph (30.1 km/h), max reverse speed - 18.6 mph (29.9 km/h). The closed center hydraulic system with pressure flow compensated includes an axial piston pump with a flow of 18 gpm (68.1 lpm) or 25 gpm (94.6 lpm). The main relief pressure is 200 bar (2900 psi). The John Deere 6200 is equipped with a hydrostatic power steering, differential hydraulic wet disc brakes, 7.50-18 (2WD) or 12.4-24 (4WD) front tires, and 18.4x30 rear tires. The wheel base is 94.6" (2400 mm).

The tractor is compatible with a John Deere 620 front-end loader with lift capacity to full height of 2707 lbs (1227 kg), John Deere 640 front-end loader with lift capacity to full height of 2970 lbs (1347 kg) for NSL system or 3243 lbs (1471 kg) for MSL system.

Engine Troubleshooting
Engine will not start or hard to start
Fuel filter is dirty - Clean the filter or install new filter element
No fuel supply from the tank - Open the fuel supply valve
Water, dirt, or air in fuel system - Drain, flush, fill, and bleed system
Fuel injectors are defective or dirty - Clean or replace fuel injectors
Fuel injection pump malfunction - Rebuild or change fuel pump
Bad compression - Check and replace worn parts
Engine stops running unexpectedly
Engine is not preheated - Warm up to required temperature
Air in fuel lines - Bleed fuel lines
Improper fuel injection - Fuel injection settings required
Fuel filter is dirty - Clean the filter or install new filter element
Fuel injectors are clogged or faulty - Service or change fuel injectors
Diesel engine stalls after starting
Unadjusted fuel injection pump timing - Check the fuel injection pump timing setting
Fuel filter clogging - Replace filter element
Clogged or defective injector nozzles - Replace fuel injector nozzles
Fuel injection pump malfunctioning - Rebuild or replace pump
Air cleaner element is clogged - Clean or replace the air cleaner element
Engine stalls at idle
Low idle speed set incorrectly - Adjust the low idle speed
Faulty fuel injection pump - Replace injection pump or repair it
Fuel injector nozzles are damaged or dirty - Install new set of properly balanced nozzles
Valve out of adjustment - Adjust to proper valve clearance
Engine is overheated
Low engine coolant - Coolant needs to be refilled. Check system for leaks
Cooling system parts are failed or system is dirty - Service the cooling system or replace faulty components
Engine oil level is insufficient - Checking oil level and add if necessary
Fan belt is damaged or belt tension is incorrect - Adjust correctly or change the belt
Thermostat is defective - Install new thermostat
Loss of engine power
Dirty or damaged injectors - Inspect fuel injectors and replace if necessary
Fuel injection pressure is wrong - Test fuel injection pressure and adjust it correctly
Air filter clogging - Service or change air filter
Plugged engine oil filter - Replace or clean engine oil filter element
Engine is overloaded - Change to lower gear or reduce load
Valve clearance is wrong - Need to adjust valve clearance
Incorrectly adjusted low idle speed - Adjustment required
Dirt in the hoses or pipes - Fuel hoses and pipes must be clean
Poor engine compression: Intake or exhaust valves are damaged - Have valves replaced
Engine knocking sound or abnormal noise
Fuel injection pump out of timing - Repair or replace fuel injection pump
Fuel injector nozzles are clogged or faulty - Install a new set of well-balanced nozzles
Not enough engine oil - Fill up the engine oil
Engine is not preheated - Warm up to required temperature
Crankshaft or main bearings failure - Change or repair worn components
Defective or broken piston rings - Replace piston rings
Loose flywheel screws - Inspect the flywheel screws and tighten securely
Engine oil consumption is too high
External oil leaks: Gaskets or seals are excessively worn - Replace defective parts
Improper oil viscosity - Use oil of correct viscosity
Piston rings are stuck or worn - Have piston rings replaced
Valve guides or stems are damaged - Valves must be replaced
Scored pistons or cylinder liners - Inspect pistons and liners, replace as required


Electrical System Troubleshooting
Battery cannot be charged
Dead cell in battery - Use a new battery
Battery electrical wire harness damage - Check battery wires for damage, replace or change
Battery cables and terminals are loose or corroded - Terminals and cables need to be tightened or cleaned
Belt slipping or wrong belt tension adjustment - Adjust belt tension properly or change belt
Starter motor turns slow
Battery voltage is low - Battery is drained, recharge it
Battery is draining quickly - Battery needs to be serviced or replaced
Battery cable harness failure - Check battery electrical cable for defects, replace or repair
Battery terminals and cables are corroded or loose - Terminals and cables need to be tightened or cleaned
Starter will not crank
Low battery output - Battery is drained, charge it
Drained or worn battery - Recharge or replace battery
Defective starter motor - Starter needs to be replaced
Cables harness is improperly connected or disconnected - Inspect cables harness and reconnect it properly

Transmission Troubleshooting
Difficulty shifting gears
Worn or misadjusted clutch - Clutch needs to be adjusted or changed
Gear shift linkage is stuck or worn - Replace or repair the shift linkage
Shift forks are damaged or worn - Shift forks need to be replaced
Gearshift mechanism failure - Change or repair failed components
Low transmission fluid pressure
Fluid level is low - Add transmission fluid as required
Transmission fluid filter element is dirty (if fitted) - Replace or clean transmission fluid filter
Relief valve failure - Install a new valve
Transmission is excessively noisy
Bearings are worn or cracked - Install new bearings
Oil level is low - Check transmission oil level and add oil as required
Contaminated transmission fluid - Transmission fluid must be changed
Worn gears or improper backlash - Change damaged gears or adjust backlash properly
Shift forks are damaged or worn - Replace defective shift forks
External fluid leaks
Gaskets or seals are damaged - Change defective seal or gaskets
Cracked transmission case - Install a new transmission case


Hydraulics Troubleshooting
Excessive hydraulic system heat
The system pressure has not been corrected - Make the correct settings
Main relief valve is damaged or adjusted improperly - Set up or change the relief valve
Hydraulic fluid is dirty - Hydraulic fluid change required
Air leaks in hydraulic system - Inspect the suction line, pump seals, and fittings
Hydraulic oil pressure too low
Not enough hydraulic fluid in the system - Add fluid to the hydraulic system
Hydraulic fluid filter clogging - Clean or change hydraulic filter
Hydraulic pump malfunction - Test the pump flow rate and change pump if required
Damaged or incorrect adjusted hydraulic spool valve - Change or adjust correctly
Hydraulic cylinder is not working - Check cylinder components for damage or wear and change if necessary
Leakage in hydraulic lines - Find leaks in hydraulic system and repair it
Hitch cannot be raised or raising is too slowly
Not enough hydraulic fluid in the system - Fill the hydraulic system with oil
Cold hydraulic fluid - Warm up the fluid
Hydraulic fluid filter element is dirty - Change hydraulic filter element or clean if necessary
Damaged hydraulic oil pump - Flow-rate pump and change pump if necessary
Unadjusted or defective main relief valve - Adjust the valve or replace if necessary
Damaged or incorrect adjusted hydraulic control valve - Change or adjust properly
Hydraulic cylinder malfunction - Inspect cylinder components for damage or wear and change if required
Broken or disconnected suction line - Connect or replace
Hitch won't lower or lowers slowly
Hydraulic spool valve block is defective or set improper - Adjust properly or replace
Hydraulic cylinder malfunction - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Hitch cross shaft is worn - Replace the shaft
Damaged mechanical components of the hitch - Change damaged or worn hitch components
Hitch jerks when drop or lift
Hydraulic system sucks air - Check the pump seals, suction line, and fittings
Hydraulic fluid contamination - Change hydraulic fluid
Hydraulic pump failure - Check pump flow and change pump if necessary
Hydraulic control valve block is defective or set improper - Adjust correctly or replace
Hydraulic cylinder malfunction - Check the hydraulic cylinder parts for damage or wear and replace if necessary

Steering System Troubleshooting
Steering is hard
Steering column is broken or incorrectly fitted - Steering column needs to be refit correctly or replaced
Air enters in steering system - Bleed air
Not adjusted toe-in - Adjust toe-in wheels properly
Front tires are worn out - Install new tires
Hydraulic steering pump is defective - Install a new hydraulic steering pump
Defective or worn hydrostatic steering unit - Replace or repair steering unit as required
Low steering fluid level - Fill the steering system with fluid
Steering system oil leakage - Tighten connections of hydraulic hoses and pipes in steering system
Excessive play in steering
Steering column coupling or shaft has maximum wear - Change defective component
Damaged or worn hydrostatic steering unit - Check and replace as required
Steering pump stopped working - Steering pump needs to be repaired or replaced
Steering linkage or tie-rod ends are defective - Replace damaged component
Tractor pulls to right or left
Front tires are worn out - Install new tires
Improper toe-in adjustment - Adjust toe-in wheels properly
Steering linkage or tie-rod ends are worn - Replace failed component
Hydrostatic steering unit has wear or damage - Inspect and replace as required
Steering cylinder failure - Replace or repair hydraulic steering cylinder
Front hub bearings are damaged or incorrectly adjusted - Adjust correctly or change bearings

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