Otis Singleton
John Deere's lawn mowers are equipped with an electric Power Take Off (PTO) system. The PTO is responsible for activating the blades under the mower deck. The electric clutch is controlled by a switch on the dashboard. When the lawn mower is running and the switch is turned on, the blades will rotate. The 3D series PTO is known to have a problem with the PTO not shutting off in reverse.
| Characteristics | Values |
|---|---|
| John Deere Models with Electric PTO | Most John Deere lawn mowers |
| How the PTO works | The PTO works off a 12-volt system. The electric clutch is operated by a switch on the dashboard. |
| Troubleshooting | If the blades don't turn on, park the mower, set the parking brake, and open the hood. Check the battery with a volt meter. |
| Volt meter reading | Should be between 13-14 volts. |
| Replacement | If the volt meter reads 12 volts, replace the electric PTO. |
| Other models | 3D Series, 3R rear PTO, 4066R |
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What You'll Learn
John Deere lawn mowers with electric PTO
Most John Deere lawn mowers are equipped with an electric Power Take-Off (PTO) system. The PTO is the mechanism that turns on the blades located under the mower deck. The electric clutch is operated by a switch located on the dashboard of the lawnmower. When the lawnmower is running and the switch on the dashboard is engaged, the blades will start to turn.
The electric PTO clutch provides operators with convenient and precise control over PTO engagement and disengagement, ensuring seamless and responsive operation. With seamless engagement and disengagement, the clutch contributes to increased efficiency and productivity, reducing downtime during equipment operation. It maintains equal belt tension at all times, ensuring consistent and efficient power transmission, enhancing the overall performance of PTO-driven equipment.
The John Deere 3D Series PTO is mentioned on a tractor forum, where a user notes that the mid PTO can be turned off in the computer, with a YouTube video available on how to do this. Another user mentions that their 3R rear PTO does not shut off in reverse, but they do not recall if the mid PTO does. They also note that the PTO will not run if the operator is not in the seat.
If you are experiencing issues with your electric PTO system, there are some troubleshooting steps you can take. You can check the voltage regulator by connecting a voltmeter to the battery and ensuring it reads between 13-14 volts. If it does not, you may need to replace the voltage regulator. Another step is to check the electric clutch by removing the wire harness connector and connecting the voltmeter to the metal tabs, then starting the lawn mower and engaging the blades. If the voltmeter reads 12 volts, you may need to replace the electric PTO.
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Troubleshooting the PTO system
Most John Deere lawn mowers are equipped with an electric Power Take Off (PTO) system. The PTO is the mechanism that turns on the blades located under the mower deck. The PTO works off of a 12-volt system. The electric clutch is operated by a switch located on the dashboard of the lawn mower. When the lawn mower is running and the switch on the dashboard is engaged, the blades will start to turn. If they don't, you may have to troubleshoot a portion of the electrical system.
Step 1: Park the lawn mower and set the parking brake
Park the lawn mower on level ground and set the parking brake.
Step 2: Open the hood and locate the battery
Open the hood of the lawn mower. Directly behind the engine is the battery.
Step 3: Check the battery voltage
Take your volt meter and clip the positive lead (+) of the meter to the positive (+) battery post. Take the negative (-) lead of the volt meter and clip it to the negative (-) battery post. Check to see that the volt meter reads between 13-14 volts. If it does, your voltage regulator (alternator) is working fine.
Step 4: Remove the volt meter leads and turn off the mower
Remove the volt meter leads from the battery. Turn off the lawn mower.
Step 5: Locate the electric clutch and remove the wire harness connector
The electric clutch is located under the front of the frame and is bolted to the crankshaft of the engine. On the top of the clutch, there is a connector. Remove the wire harness connector by lifting the tab and pulling the connector free.
Step 6: Clip the volt meter leads to the wire harness connector
Look inside the wire harness connector for two metal tabs. Clip the positive (+) lead of the volt meter to either one of the wire harness connector metal tabs. Take the negative lead from the volt meter and clip it to the other tab.
Step 7: Start the lawn mower and engage the blades
Start the lawn mower and engage the blades by pulling up the PTO switch located on the dashboard.
Step 8: Check the volt meter reading
If the volt meter reads 12 volts, replace the electric PTO.
Other common problems with the John Deere Electric PTO system include faulty wiring or connections, blown fuses, worn or damaged clutch components, malfunctioning switches, seized bearings, and loud noises coming from the PTO clutch.
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John Deere 3D Series PTO
The John Deere 3D Series PTO is a popular tractor model among farmers and enthusiasts. One notable feature is its fuel gauge, which is easily visible from the operator's station, ensuring that operators don't run out of fuel unexpectedly. The fuel tank is conveniently located at the rear of the tractor, making refuelling a simple task.
The 3D Series also boasts easy access to regular service points, minimising service time and effort. Operators can quickly remove the engine side panels without tools, thanks to quarter-turn fasteners, providing straightforward access to the engine compartment. Additionally, these tractors are equipped with onboard self-diagnostic capabilities and are compatible with the exclusive John Deere Service ADVISOR™ system, simplifying maintenance and troubleshooting.
The 3D Series Tractor is designed to offer versatility. The kit includes a float position on the first spool, enabling operators to contour the landscape and enhance the final grade when using specific implements. While the spools are not equipped with a detent position, the kit is ideal for momentary, on-demand hydraulic flow tasks, such as moving a cylinder.
One point of discussion among users is the PTO (power take-off) system. Some operators have expressed concerns about the PTO shutting off when the tractor switches into reverse, which can be inconvenient during mowing. However, others have noted that the PTO does not shut off in reverse, and it is necessary to be seated to operate the transmission or PTO. The 3D Series also features a visual PTO warning light on the instrument panel, alerting operators when the PTO is active.
The John Deere 3D Series PTO is a robust and adaptable tractor, offering convenience in refuelling, maintenance, and operation. While there are varying opinions on the PTO system's functionality, it remains a popular choice for those seeking a versatile tractor for various tasks.
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John Deere 2 Series PTO
The John Deere 2 Series compact tractors include the 2032R and 2038R models, which are equipped with a two-range hydrostatic transmission (HST). The engine will shut off if the operator leaves the seat and the power take-off (PTO) is engaged. For out-of-seat PTO operation, the transmission must be in neutral, the park brake engaged, and the PTO selector set to the rear only. The 2 Series compact tractors are compatible with the 120R and 220R loaders, which are lightweight, detachable, and fully compatible.
The PTO clutch on John Deere tractors relies on an electrical connection to engage and disengage properly. A problem with the wiring or electrical components can cause the clutch to fail. Common problems with the electric PTO include faulty wiring or connections, blown fuses, worn or damaged clutch components, malfunctioning switches, and seized bearings.
To troubleshoot the PTO system on a John Deere tractor, you can check the voltage with a voltmeter. If the voltmeter reads between 13-14 volts, your voltage regulator (alternator) is functioning correctly. If the voltmeter reads 12 volts, you may need to replace the electric PTO. Additionally, you can check the resistance across the PTO clutch using a multimeter and refer to the owner's manual for specific resistance values. If the resistance values are outside the recommended range, it could indicate damage to the clutch.
While I cannot confirm whether the John Deere 2 Series tractors have an electric PTO, the information above provides details on the PTO features of these tractors and troubleshooting steps for the PTO system, which may be relevant to your query.
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OEM replacement electric clutches
Most John Deere lawn mowers are equipped with an electric Power Take Off (PTO) system. The PTO is the mechanism that turns on the blades under the mower deck. The electric clutch is operated by a switch on the dashboard. When the mower is running and the switch is on, the blades will start to turn. If they don't, you may need to replace the electric PTO.
To check if the electric PTO needs replacing, park the lawnmower on level ground and set the parking brake. Open the hood and locate the battery, which is directly behind the engine. Take your volt meter and clip the positive lead to the positive battery post, and the negative lead to the negative battery post. Check that the volt meter reads between 13-14 volts. If it does, your voltage regulator is working.
Next, remove the volt meter leads from the battery and turn off the lawn mower. The electric clutch is located under the front of the frame and is bolted to the crankshaft of the engine. Remove the wire harness connector and look for two metal tabs inside. Clip the positive lead of the volt meter to either one of the tabs, and the negative lead to the other tab. Start the lawn mower and engage the blades using the PTO switch. If the volt meter reads 12 volts, the electric PTO needs to be replaced.
You can find OEM replacement electric clutches for John Deere lawn mowers online at iGoPro Lawn Supply. They offer authentic Warner and Ogura clutches at low prices.
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Frequently asked questions
The PTO is the mechanism that turns on the blades located under the mower deck. The electric clutch is operated by a switch located on the dashboard of the lawn mower.
Most John Deere lawn mowers are equipped with an electric PTO system. The PTO works off of a 12-volt system. Check your volt meter and if it reads between 13-14 volts, your voltage regulator is functioning properly.
Park the lawn mower on level ground and set the parking brake. Open the hood and locate the battery. Take your volt meter and clip the positive and negative leads to the corresponding battery posts. Start the lawn mower and engage the blades by pulling up the PTO switch. If the volt meter reads 12 volts, replace the electric PTO.
Yes, there are different types of PTO systems available for John Deere models, including belt drive and standard splined. Additionally, some models have mid or rear PTO systems, and the PTO behaviour may vary depending on the series and model.
