How to Troubleshoot a John Deere 1445

Written by nicholas briano
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The John Deere 1445 is a heavy-duty riding lawn tractor that comes with either a diesel or cylinder engine -- both of which can offer power up to 30 horsepower and propel the tractor up to 12 miles per hour. The tractor features optional attachments, such as a snowblower or plough. The tractor will occasionally encounter problems. Simple troubleshooting can help address and solve minor issues before they become big and costly problems.

Skill level:
Moderately Challenging


  1. 1

    Drain the fuel tank and refill if the engine is sputtering and the tractor feels like it is stalling. Old and degraded gasoline in the large 16-gallon tank could be the problem, especially if the fuel has not been used in several months to nearly a year. After refilling the engine's fuel tank, apply normal starting procedures.

  2. 2

    Change the oil. Dirty and old oil will hamper the tractor's performance. The same maintenance principles of a car apply to a tractor. Dirty oil can blow out the engine and destroy it or even cause overheating if not changed regularly.

  3. 3

    Examine the ignition wires and sparks. Tighten or change loose connections as this can prevent the engine from performing correctly. Bad spark plugs can lead to engine failure and backfires. If the spark plugs appear burnt and dark, it may be time to replace them.

  4. 4

    Clean the area around your radiator. More specifically, take a garden hose with light water pressure and clean the fins of the radiator, which are located in the front of the tractor. Debris and dirt, especially when cutting grass, can get into the radiator fins and block airflow, which leads to overheating.

  5. 5

    Sharpen the mower blades. It is recommended that a licensed professional with the appropriate tools do this -- and only if the mower blades do not appear to cut the grass. Rusty blades can also lead to insufficient mowing. Signs of dull blades can lead to a vibration feel beneath the tractor. Before having the blades sharpened, try reducing your speed while operating the tractor; it may be that you are going too fast, especially if the grass you are cutting is more than one foot tall.

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