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Service Engine


Engine Warranty Maintenance Statement

Maintenance, repair, or replacement of the emission control devices and systems on this engine, which are being done at the customer’s expense, may be performed by any non-road engine repair establishment or individual. Warranty repairs must be performed by an authorized John Deere dealer.

Avoid Fumes

c CAUTION: Avoid injury! Engine exhaust fumes contain carbon monoxide and can cause serious illness or death.

Move the machine to an outside area before running the engine.

Do not run an engine in an enclosed area without adequate ventilation.

• Connect a pipe extension to the engine exhaust pipe to direct the exhaust fumes out of the area.

• Allow fresh outside air into the work area to clear the exhaust fumes out.

Engine Oil - Diesel Model

Use oil viscosity based on the expected air temperature range during the period between oil changes.

The following John Deere oils are preferred:



• PLUS-50™ (SAE 15W-40).

• TORQ-GARD SUPREME™ (SAE 30).

• TORQ-GARD SUPREME™ (SAE 5W-30).

• PLUS-4™.

Other oils may be used if above John Deere oils are not available, provided they meet one of the following specifications:

• SAE 15W-40 - API Service Classification CF-4 or higher.

• SAE 5W-30 - API Service Classification CC or higher.

• SAE 10W-30 - API Service Classification CF or higher.

• SAE 30 - API Service Classification CF or higher.

Checking Engine Oil Level

1. Park the machine safely. (See Parking Safely in the SAFETY section.)

2. Check engine oil when oil is cold.

3. Raise the hood.


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4. Clean around dipstick (A). Remove dipstick and wipe clean.

5. Install dipstick in tube.

6. Remove dipstick. Check oil level on dipstick.


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7. Oil must be between add mark (B) and full mark (C).

• If oil level is low, add oil to bring oil level no higher than full mark on dipstick.

• If oil level is above full mark, drain to the proper level. Determine cause of over-full condition and correct.

8. Install the dipstick.

Changing Engine Oil and Filter

1. Run engine to warm the oil.

2. Park the machine safely. (See Parking Safely in the SAFETY section.)


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3. Remove drain plug (A) to drain oil into a suitable container.


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Picture Note: Air cleaner assembly shown removed for picture clarity.

4. Remove oil filter (B) (not shown). Turn filter counterclockwise to remove.

5. Apply a film of clean engine oil on seal of new filter.

6. Install filter. Turn filter until seal contacts mounting surface. Tighten 1/2–3/4 turn after gasket contact.

7. Install drain plug.

8. Remove filler cap (C). Add approximately 3.8 L (4.0 qt) of oil.

9. Install and tighten the filler cap.

10. Remove the dipstick (D) to check oil level.

11. Install the dipstick.

12. Run engine at slow speed for 2 minutes. Check for leaks around oil filter.

13. Stop the engine and wait a couple of minutes. Check oil level. Add oil only to full mark on dipstick.

Cleaning Air Intake Screen

1. Park the machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.

c CAUTION: Avoid injury! Compressed air can cause debris to fly a long distance.

• Clear work area of bystanders.

• Wear eye protection when using compressed air for cleaning purposes.

• Reduce compressed air pressure to 210 kPa (30 psi).


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3. Remove debris from air intake screen (A) with brush or compressed air.

4. Inspect radiator and oil cooler (B) for debris. Remove if necessary.

Checking Air Restriction Indicator

1. Park the machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.

NOTE: Indicator will not signal correctly if indicator case is cracked or broken.


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3. Check air restriction indicator. When red plunger (A) inside indicator shows in clear window, air cleaner requires immediate service.

Replacing Air Cleaner Element

1. Park the machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.


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3. Remove air cleaner canister cover (A).


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4. Remove and discard used primary element (B).

IMPORTANT: Avoid damage! Do not clean secondary element. Replace secondary element only:

• Every third primary element change.

• Every two years.

• When air restriction indicator shows yellow in the window, after replacing the primary element.



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5. If necessary, remove and discard the secondary element (C).


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6. Depress and release reset button (D) on end of air restriction indicator to reset indicator.

7. If necessary, install secondary element. Push on securely.

8. Install new primary element. Push on securely.

9. Install air cleaner canister cover and secure latches.

Clean Dust Unloading Valve

IMPORTANT: Avoid damage! Do not operate engine without air cleaner element and rubber dust unloading valve installed.



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1. Park the machine safely. (See Parking Safely in the SAFETY section.)

2. Squeeze dust unloading valve (A) to clean. Replace if damaged.

Service Cooling System Safely


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c CAUTION: Avoid injury! The radiator will be hot and can burn skin. Built-up pressure may cause explosive release of coolant when the radiator cap is removed:

• Shut off the engine and allow to cool.

• Do not remove the cap unless the radiator and the engine are cool enough to touch with bare hands.

• Slowly loosen the cap to the first stop to release all pressure. Then remove the cap.

Recommended Engine Coolant

IMPORTANT: Avoid damage! Using incorrect coolant mixture can cause overheating and other damage the radiator and engine:

• Do not operate engine with plain water.

• Do not exceed a 50% mixture of coolant and water.

• Aluminum engine blocks and radiators require approved ethylene-glycol based antifreeze.


The following John Deere coolants are preferred:

• COOL-GARD® PRE-DILUTED SUMMER COOLANT (TY16036).

• COOL-GARD® CONCENTRATED SUMMER COOLANT (TY16034).

If neither of the recommended coolants is available, use a glycol base coolant that meets the following specification:

• ASTM D4985 (JDM H24A2).

Check container label before using to be sure it has the appropriate specifications for your machine. Use coolant with conditioner or add conditioner to coolant before using.

If using concentrate, mix approximately 50 percent antifreeze with 50 percent distilled or deionized water before adding to cooling system. This mixture will provide freeze protection to -37 degrees C (-34 degrees F).

Certain geographical areas may require lower temperature protection. See the label on your antifreeze container or consult your John Deere dealer to obtain the latest information and recommendations. Never exceed the maximum dilution rate for the coolant you are using. Exceeding the maximum rate will greatly reduce the coolant effectiveness.

Checking Coolant Level

1. Park machine safely. (See Parking Safely in the SAFETY section.)

IMPORTANT: Avoid damage! Using incorrect coolant mixture can damage the radiator:

• Do not operate engine without coolant or with plain water.

• Use antifreeze approved for use in aluminum engines.

• Do not exceed a 50% antifreeze mixture for the coolant.

• Do not pour coolant or water into radiator when engine is hot.


2. Raise the hood.

3. Check coolant level.


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• If engine is warm, coolant should be between lines (A) and (B) on coolant tank (C).

4. Remove cap (D) to add coolant.

5. If coolant is low, add ethylene glycol antifreeze (without stop-leak additive) and water in the ratio specified on the antifreeze container.

6. Install and tighten recovery tank cap.

7. Clean debris from air intake screen and radiator.

8. Check condition of hoses. Check for leaks or loose connections.

Draining Cooling System

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.

c CAUTION: Avoid injury! Do not remove the radiator cap unless the engine is cool. Slowly loosen cap to the first stop. Release all pressure before removing cap. When the engine is hot, the explosive release of fluids from the pressurized cooling system could cause serious burns.

Antifreeze is hazardous to the environment. Dispose of antifreeze in a proper container

3. With engine and cooling system cool, open radiator cap to the first stop to release all pressure. Press down on cap slightly and turn counterclockwise to remove.

4. Open radiator petcock. Drain coolant into a suitable container.

5. After all coolant has drained, close radiator petcock.

Flushing Cooling System

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.

c CAUTION: Avoid injury! The radiator will be hot and can burn skin. Built-up pressure can cause explosive release of coolant when the radiator cap is removed:

• Shut off the engine and allow to cool.

• Do not remove the cap unless the radiator and the engine are cool enough to touch with bare hands.

• Slowly loosen the cap to the first stop to release all pressure. Then remove the cap.

IMPORTANT: Avoid damage!

• Do not flush the cooling system when the engine is hot.

• Do not operate engine without coolant.


3. Drain cooling system and fill with clean water and John Deere Cooling System Cleaner, John Deere Cooling System Quick Flush, or an equivalent. Follow directions on the container.

4. Install and tighten radiator cap.

5. Start and run engine until it reaches operating temperature. Stop engine.

6. Open radiator petcock and drain the cooling system immediately before rust and dirt settle.

7. Close radiator petcock.

8. Fill cooling system with clean water and repeat flushing until system is clean.

9. Drain and fill cooling system.

Filling Cooling System

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.

c CAUTION: Avoid injury! Explosive release of fluids from pressurized cooling system can cause serious burns:

• Shut off engine.

• Add coolant to radiator only when expansion tank is completely empty.

• Only remove filler cap when radiator is cool enough to touch with bare hands. Slowly loosen cap to first stop to relieve pressure before removing completely.

3. With engine and cooling system cool, open radiator cap to the first stop to release all pressure. Press down on cap slightly and turn counterclockwise to remove.

IMPORTANT: Avoid damage! Using incorrect coolant mixture can damage the radiator:

• Do not operate engine without coolant or with plain water.

• Use antifreeze approved for use in aluminum engines.

• Do not exceed a 50% antifreeze mixture for the coolant.

• Do not pour coolant or water into radiator when engine is hot.


4. Fill cooling system. For cold weather, use a solution of only ethylene glycol antifreeze (without a stop-leak additive) and clean, soft water. A chart on the antifreeze container tells how much antifreeze to use for the freeze protection needed in your area.

• Certain geographical locations may require lower temperature protection. See the label on your antifreeze container or consult your John Deere dealer to obtain the latest information and recommendations.

• John Deere Cooling System Sealer or its equivalent may be added to the radiator to seal leaks. DO NOT use any other additives in the cooling system.

5. Start engine and watch coolant level in radiator. Add coolant as necessary to bring level up to filler neck.

6. Install and tighten radiator cap.

7. Run engine until it reaches operating temperature.

8. Stop the engine.


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9. After the engine cools, check coolant level in recovery tank (A). Level should be above mark (B) when engine is cold.

10. Remove cap (C) to add coolant if necessary.

11. Check condition of coolant system hoses. Install new hoses periodically. Tighten hose clamps regularly.

Checking Sediment Bowl

1. Park machine safely. (See Parking Safely in the SAFETY section.)


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2. Check for water in sediment bowl.

• Orange ring (A) will float on top of any water captured in the bowl.

3. If necessary, clean bowl and replace filter.

Cleaning Fuel Filter Sediment Bowl

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Raise the hood.


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3. Turn collar (A) counterclockwise to remove bowl and filter. Discard the filter.

4. Clean the bowl.

5. Install new filter and bowl.

6. Tighten collar.

Bleeding Fuel System

1. Park machine on a level surface, not on a slope.

2. Place mow-transport lever in the transport position.

3. Lower attachments to the ground.

4. Lock park brake.

c CAUTION: Avoid injury! Fuel vapors are explosive and flammable:

• Shut engine off before filling fuel tank.

• Do not smoke while handling fuel.

• Keep fuel away from flames or sparks.

• Fill fuel tank outdoors or in well ventilated area.

• Clean up spilled fuel immediately.

• Use clean approved non-metal container to prevent static electric discharge.

• Use clean approved plastic funnel without screen or filter to prevent static electric discharge.

5. Ensure fuel is in the fuel tank. Add fuel if necessary.


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6. Open fuel shut-off valve (A).

7. Turn key to RUN position for 2 minutes prior to starting engine. The fuel pump will pressurize the fuel and remove any air in the system.

8. Start engine. If engine will not start, repeat previous step.