Home / Farm Tractors / John Deere Tractors / JD 1750

John Deere 1750 Troubleshooting

The John Deere 1750 is a 2WD or 4WD utility tractor. This model was manufactured from 1987 to 1994. The John Deere 1750 tractor is powered by 179.4 cubic inches (2.9L) 4-cycle, three-cylinder liquid cooled diesel engine with maximum output power of 50.1 hp (37.3 kw) and 185 Nm (136 lb-ft) of max torque at 1300 rpm.

The John Deere 1750 is fitted with three transmission options: 8x4 synchromesh gear transmission, 16x8 two-speed powershift transmission, or 12x8 creeper transmission.

Max. forward speed - 18.6 mph (30 km/h), maximum reverse speed - 7.8 mph (12.5 km/h). The closed center hydraulic system includes a variable displacement pump with a flow rate of 11.6 gpm (43.9 lpm). The hydraulic pressure is 2750 psi (190 bar). The 4-wheel drive models are equipped with 11.2x24 front tyres and 14.9x28 rear tyres. The 6.50x16 front tyres and 12.4x32 rear tyres fit 2-wheel drive tractors. The wheel base is 80.7 in (2040 mm).

Engine Troubleshooting
Engine won't start or difficult to start
Fuel filter clogging - Replace filter element
Fuel is not supplied from the tank to the system - Check the fuel shut-off valve
Air in fuel lines - Bleed fuel lines
Fuel injectors are clogged or faulty - Inspect fuel injectors and replace if necessary
Fuel injection pump is not working correctly - Repair or install a new fuel pump
Low engine compression - Inspect cylinder block and replace worn components
Engine shuts off unexpectedly during operation
Engine is not preheated - Warm up engine as required
Air in fuel pipes - Bleed fuel pipes
Improper fuel injection - Fuel injection settings required
Clogged fuel filter element - Change filter element
Faulty or dirty injectors - Service or change fuel injectors
Engine starts but immediately stops
Fuel injection pump timing is incorrect - Adjust injection timing
Fuel filter plugging - Clean or replace the filter
Faulty fuel injector nozzles - Check and change nozzles as required
Fuel injection pump malfunction - Install a new fuel pump or repair
Air cleaner element clogging - Clean or replace the air cleaner element
Engine stalls while idling
Incorrect low idle speed adjustment - Correct the settings
Fuel injection pump is not operating properly - Repair or install a new fuel pump
Dirty or defective injector nozzles - Change injector nozzles
The valve clearance is not adjusted - Have it adjusted
Engine overheats
Lack of engine coolant - The cooling system needs to be refilled. Check system for leaks
Cooling system components are failed or system is clogged - Service the cooling system or change faulty parts
Engine oil level low - Fill up the oil to required level
Fan belt is damaged or belt tension is incorrect - Adjust as required or change belt
Defective or wrong type of thermostat - Check thermostat, replace if necessary
Poor engine power
Faulty or dirty injectors - Change fuel injectors
Uneven fuel injection pressure - Repair or replace injection pump
Air filter clogging - Air filter maintenance required
Plugged engine oil filter - Change or service engine oil filter
Engine overloaded - Load reducing is recommended
Incorrect valve clearance - Adjust valve clearance
Low idle speed setting is not correct - Adjustment required
Dirt in the fuel pipes or hoses - Service fuel hoses and pipes
Loss of compression: Valves are damaged or leaking - Have valves replaced
Engine knocks or noises
Incorrectly set fuel injection pump timing - Adjust injection timing
Clogged or damaged injector nozzles - Service or replace injector nozzles
Not enough engine oil - Check and refill engine oil
Engine is not preheated - Normalize the temperature by warming up the engine
Crankshaft or main bearings failure - Repair or replace defective parts
Broken or defective piston rings - Install new piston rings
Loose flywheel screws - Inspect the flywheel screws and tighten securely
Engine using too much oil
Oil leakage: Damaged gaskets or seals - Defective components must be replaced
Crankcase oil too light - Fill up with the proper oil viscosity
Seized or wear piston rings - Install new piston rings
Damaged valve guides or valve stems - Need to replace the valves
Cylinder liners or pistons are worn - Inspect pistons and liners, fit new components as necessary

Electrical System Troubleshooting
Battery does not charge
Defective battery - Battery change required
Damaged battery cable harness - Check electrical cables for damage, repair or replace
Battery terminals and cables are loose or corroded - Service or tighten battery cables and terminals
Damaged belt or incorrectly adjusted belt tension - Adjust belt tension correctly or change belt
Starter turning slow
Battery power is low - Battery is drained, charge it
Battery does not hold charge - Battery needs to be serviced or replaced
Damaged battery electrical wire harness - Inspect electrical wires for damage, change or repair
Loose or corroded cables and terminals - Cables and terminals must be tightened or cleaned
Starter doesn't crank
Low battery capacity - Battery needs to be recharged
Drained or faulty battery - Charge or replace the battery
Starter motor is defective - Repair or install a new starter
Disconnected or incorrectly connected cables - Inspect battery cables and connect correctly

Transmission Troubleshooting
Gear hard to shift
Worn or incorrectly adjusted clutch - Replace or adjust clutch
Gear shift linkage is loose or broken - Replace or repair the shift linkage
Worn or damaged shift forks - Replace the shift forks
Gear shifting mechanism is worn - Change worn components
Transmission oil pressure is insufficient
Oil level is low - Checking transmission oil level and add if necessary
Transmission fluid filter is dirty (if equipped) - Change or clean the transmission fluid filter
Damaged relief valve - Replace valve as required
Transmission is making noise
Cracked or worn bearings - Replace faulty bearings
Oil level is insufficient - Correct the transmission oil level
Contaminated transmission oil - Transmission oil must be changed
Defective gears or incorrect backlash - Set backlash correctly or change the gears
Bent or worn shift forks - Replace defective shift forks
Transmission fluid leaking
Broken gaskets or seals - Install new gaskets or seal
Transmission case is cracked - Replace case or transmission assembly

Hydraulics Troubleshooting
Hydraulic system overheats
Hydraulic system pressure is unadjusted - Adjust the pressure as required
Main relief valve incorrect adjustment or failure - Set up or change the relief valve
Contaminated hydraulic fluid - Change hydraulic fluid
Air leaks in hydraulic system - Check the pump seals, suction pipe, and fittings
Hydraulic oil pressure is insufficient
Not enough hydraulic oil in the system - Fill the hydraulic system with oil
Hydraulic oil filter is dirty - Change the hydraulic filter element or service if required
Hydraulic pump is defective - Flow-rate hydraulic pump and replace pump if necessary
Damaged or incorrect adjusted hydraulic control valve - Change or adjust properly
Hydraulic cylinder is not working - Check the cylinder components for damage or wear and change if necessary
Hydraulic pipes are leaking - Inspect hydraulic system for leaks and repair it
Hitch cannot be lifted or lifting is too slow
Hydraulic oil level is low - Fill the hydraulic system with oil
Hydraulic oil is too cold - Allow oil to warm
Hydraulic fluid filter is dirty - Clean the hydraulic filter or install new filter element
Hydraulic pump is defective - Flow-rate pump and change pump if necessary
Faulty or incorrectly adjusted main relief valve - Adjust relief valve or change if required
Defective or not adjusted hydraulic control valve - Change or adjust correctly
Hydraulic cylinder is defective - Check the cylinder parts for damage or wear and replace if necessary
Suction pipe is damaged or loose - Repair or change
Hitch drops too slowly or can't drop
Hydraulic spool valve is faulty or out of adjustment - Change or set correctly
Hydraulic cylinder is not working - Check cylinder parts for wear or damage and replace if necessary
Lift arm shaft is worn - Change the shaft
Internal mechanical malfunction with hitch - Change damaged or worn hitch parts
3-point hitch lifting or lowering is jerky
Air in hydraulic system - Inspect the suction line, pump seals, and fittings
Hydraulic fluid is contaminated - Fill up with new hydraulic fluid
Hydraulic pump is faulty - Check pump flow and change pump if necessary
Hydraulic spool valve is faulty or out of adjustment - Change or adjust properly
Faulty hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary

Steering System Troubleshooting
Steering wheel turns hard
Steering column is broken or incorrectly fitted - Steering column needs to be refit correctly or replaced
Aeration in steering system - Need to bleed air
Not adjusted toe-in - Adjust toe-in properly
Improper tire pressure - Check the pressure and inflate tires as required
Damaged hydraulic steering pump - Install a new steering pump
Worn or defective hydrostatic steering unit - Change or repair steering unit if required
Relief valve sticking or failure - Service or replace the relief valve
Steering fluid level is low - Check fluid level and add steering fluid as required
Oil leaks in the steering system - Retighten steering hose and pipe connections
Excessive steering wheel free play
Steering column coupling or shaft is extremely worn out - Replace faulty part
Hydrostatic steering unit is defective or worn - Inspect and replace as required
Damaged hydraulic steering pump - Repair or change steering pump
Faulty or worn steering linkage or tie-rod ends - Change failed component
Front wheels wander to right or left
Tires are incorrectly inflated - Inflate as required
Toe-in adjustment is incorrect - Adjust toe-in correctly
Steering linkage or tie-rod ends are defective - Change damaged component
Hydrostatic steering unit is damaged or worn - Inspect and replace as required
Steering cylinder malfunction - Repair or replace steering cylinder
Front hub bearings are improperly adjusted or defective - Replace or adjust the bearings correctly




Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294