New holland tractor pto won t engage

Ford NH 3415 questions and comments. 1999-08-13 6920. I really like the 3415, I'm going to make an honest effort to trade my Kubota L2350 for a new one tomorrow. What I like about the tractor is the weight about 3500 lbs which is almost to the starting point for AG tractors (MF 231= 4000Lbs).

New holland tractor pto won t engage. Sep 19, 2014 · About anyone who has owned a tractor has at some point encountered difficulty getting the PTO to attach to the tractor. Or, you could have the opposite prob...

Member. Feb 26, 2016. #1. When I engage the pto on my 1720 the gears grind like all get out till I get it engaged, mostly when I use the mower . The tiller is OK when I engage it. Just rebuilt the brakes somewhat expensive . Replaced the disks, Stators, Actuator and fluid. Was easy just expensive. Spent close to $400, but can stop going down ...

Below are some key points to remember: The pto switch is responsible for engaging and disengaging the pto system. Inoperable pto switch can happen due to various reasons, such as a faulty switch, electrical issues, or damaged wiring.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...If anyone is having an issue with their PTO speeding up and slowing down on a TC55DA w/EHSS I think I have a place to look for a potential problem. There is a small rubber hose (1/2") that is the supply line to the PTO/EHSS pump that is shaped like a "U". Mine had a pinhole in it allowing the pump to starve for fluid when the PTO was engaged ...Tractor. NH TC33D, NH TZ18DA. The clutch on a TC 33D disengages all moving parts behind the engine and ahead of the transmission. When you depress the clutch, forward motion and everything else should stop. If this is not happening, then the clutch plates have rusted together and you will have to try and break them free.(quoted from post at 17:03:13 09/11/11) This what I found I removed the countershaft bearing support to find that the bolt that holds the pto hub gear on has broke and would not let the pto engage drilled and tap the countershift and put a new washer and bolt back in countershift would not come out do to the snap ring in front of the gear and …

There is a an adjusting screw for the timing of the linkage to engage the PTO. You can access this from the rear of the tractor, but you MUST have a JD service manual to do this. 1. The friction plates / driven plates (item #12) are stuck to the separator plates / drive plates (item #11).New User. Oct 12, 2010. #1. I have been using an Oliver Super 55 diesel for my main farm tractor on an olive tree project for several years. Recently I haven't been able to engage the PTO to operate the mower. The lever will not pull back into position to engage the PTO. My first thought was that the connection between the lever and the front ...The Ford Forums have been a great help. This is my first post, as I just purchased an 850 and have a problem with the PTO. I can engage the PTO with no problem as long as there is nothing connected to it. As soon as I hook up the drive shaft for the Bush Hog, it just grinds when I try to engage the PTO, as if the clutch pedal was not down.Hello kymailman98, Your TC45A tractor has an independent PTO, which means you have a hydraulic actuated clutch pack with a PTO brake to stop it when disengaged. Your PTO brake may not be working, but if this is the case your PTO has no significant power when disengaged. On the other hand, you may have warped discs within the clutch pack, which ...With the tractor off and the wires at the switch removed, probe the switch contacts. Disengage the PTO lever = switch resistance should be infinite ( no continuity ), engage the PTO lever = switch resistance should be = 0. If the switch proves okay, have a look at your wiring diagram to see if there is a relay for the PTO safety circuit.This having season my brother's 474 (same tractor except 4 cyl D-206 engine), the PTO would stall on his round baler when the bale got near completed. ... The PTO is now stuck again, won't engage..Sigh. I hope I can get back to it (again) without having to remove the seat/bracket. ... Farmall, International Harvester, New Holland …

Feb 15, 2015 · Tractor. New Holland TC48DA. I just purchased a used TC48DA with 748 hours on it. Everything works great, loader lifts strong, drives, etc. no issues but the PTO will not disengage. The tractor had a new PTO clutch and hydraulic pump replaced at 430 hours so it shouldnt be the clutch. The linkage is hooked up and moves the hydraulic valve as it ... Colorado has a new, refreshingly straightforward "right-to-repair" bill into law as of this afternoon, which farmers should appreciate. Colorado’s governor signed a refreshingly st...There is a New Holland forum, and those folks may be able to help you. However...did the PTO just stop? Or, did you hit something? When you write "mid and …To troubleshoot and fix PTO engagement issues in John Deere tractors, follow a step-by-step process: Identify the potential cause of the problem based on the symptoms. Perform the necessary inspections and tests based on the identified cause. Repair or replace any faulty components. Reassemble the PTO system.I've learned when this occurs, test the starter by jumping the solenoid start terminal to battery a few times in succession. If the starter engages each time, as it often will, then add the relay. Nov 29, 2014 / New Holland TC 40 D starter wont engage #9. D.If its NOT turning the belted shaft, you may need a new pto clutch pack because the material is worn away. You still want to feed 12v to the PTO clutch in case there is a voltage problem and see if you can manually engage the clutch. You need Mom for this, too. Nov 1, 2010 / JD F935 - PTO won't engage #6.

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Dec 28, 2015 · Ketchum Discussion starter. 3 posts · Joined 2015. #1 · Dec 28, 2015. I have a Ford NH model 1920 that has PTO issues. Over the last several weeks, it harder to engage pto/snowblower. Yesterday no luck at all. Dealer says to bring in split transmission to adjust. ($1200+) Clutch play OK. Can I jump the rear pto switch temporarily until dealer ... If you are experiencing issues with your New Holland tractor’s PTO not engaging, here are some troubleshooting steps you can try: 1. Inspect the PTO system: Start by visually inspecting the power take-off (PTO) system for any visible damage or debris that may be causing the issue.It has two settings for the clutch and you can't engage the PTO unless you use adjust the clutch pedal to its highest point. The lower setting is fine for shifting gears but not for the PTO. You probably know this but if the tractor is new to you this might be an easy fix. Aug 28, 2012 / Ford 861 PTO not engaging #5. OP.1999 TC29 9 speed w/ Live PTO 2650 hrs. Since I've owned this tractor, the PTO has always had a bit of a grind when engaging. Over the past couple months it's worsened to the point that it will not stay in gear at all even when holding it in place. I assume that the Sliding Gear and/or the Rear PTO Countershaft has missing or worn teeth.Messages. 441. Tractor. Ford 1715. Just got this ford 1715,,am having a problem with the pto engaging, the pto will engage but is not staying engaged,, the lever feels sloppy,,I feel like it is going to be a problem with the shift fork or detente ball assoc with it,,there is a plate on the bottom of the transmission close to where the pto shift ...On my new holland there is a pto lever on the side behind the seat. It sets the function of the pto. Middle is neutral. The forward and back settings engage the pto inside the trans. They both have different functions, but make sure you are in either of those. Otherwise the pto won’t engage at all. Also, check your hydraulic fluid.

Start the tractor’s engine and allow it to reach operating temperature. Locate the PTO control and move it to the engaged position. This may involve pushing a lever or flipping a switch. Gradually increase the engine RPM to the recommended PTO speed. Refer to the tractor’s manual for the specific RPM range.Central Kentucky. Tractor. JD 6403 CHA-JD 3130 CHA. Twist your locking collar and look into the female spline. You should be able to push each individual ball down clear of the spline with your finger. Once you have each one free and clearing, it will slide on fine. Ken Sweet. May 6, 2013 / PTO yoke won't slide on #5.Two common reasons that a PTO won’t engage are installation issues and owner misuse. Addressing these possibilities first might be the only thing needed. Additional problems could arise if the switch is showing no …Lawn Tractor Mower Deck Won't Engage - FIX PTO Clutch Problem - MUST SEE VIDEO!In this video I show and repair a common issue that will cause your PTO switch...9.03K subscribers. Subscribed. 48. 9.7K views 3 years ago. PTO Switch Replacement- New Holland TC 45DA Earlier this Fall I had an issue with the tractor thinking the pto was engaged...Posted 6/19/2017 13:40 (#6079055) Subject: Tm140 PTO shuts off. Eastern Kansas. Got a new Holland tm140 pulling a 13' disc mower. I'll be mowing and it just shuts the PTO off. At first I thought maybe it's overloading it and then shutting it off because of that. But now it is just seems like it just "quits" the PTO is also very slow to engage.Report to Moderator. Re: NAA PTO lever won't engage! in reply to Frogun, 09-08-2007 16:35:33. Check PTO shaft for in out movement, if none remove the shifter and check, if OK remove the PTO shaft and inspect. I spec you will have to split it and inspect the rear PTO support. Either the PTO shaft is twisted or the shift coupler.Rotterdam finds plenty of ways to pay homage to its predecessors while retaining its stalwart passenger base. Take a look at how the newest Rotterdam handles dining, cabins, entert...My tractor makes a popping noise and the pto won't stay engaged.What's it soun like to you? Tractorpoint. Forums Search; Forums; New Posts; Photos; Manuals/Links; Parts Parts Home; ... New Holland tractor PTO does not engage. cmetcalf Join Date: Aug 2012 Posts: 2: 2012-08-16 184662The Insider Trading Activity of HOLLAND JOHN M on Markets Insider. Indices Commodities Currencies Stocks3. In-line Fuse blew up or damaged connection: Replace the fuse and change the cables. It is possible that one of the wires on the PTO clutch is worn out and is shorting on the body of the tractor. This can cause the fuse to blow up. The in-line fuse connects the PTO clutch assembly to all of the electrical cablings.

To troubleshoot a New Holland tractor, you must first identify the specific problem and symptoms associated with it. Common problems with a New Holland tractor include failure to s...

Report to Moderator. Re: NAA PTO lever won't engage! in reply to Frogun, 09-08-2007 16:35:33. Check PTO shaft for in out movement, if none remove the shifter and check, if OK remove the PTO shaft and inspect. I spec you will have to split it and inspect the rear PTO support. Either the PTO shaft is twisted or the shift coupler.4-Another possibility may be that pto shaft after the clutch is twisted off like the picture below, but saying that the pto brake still works much lessens that potential. I hope someone wiser can come up with a better explanation and a cure to avoid a tractor split. JC, Sep 22, 2008 / 4610 PTO stopped working #15.Oct 30, 2017 · If this is the case, it has no power to rotate, but requires a brake to stop/hold it. The PTO brake is released when the PTO is engaged, but the brake is set when the PTO is disengaged. You can check for this possibility by prying a 2x4 up against the PTO shaft to see if you can stop it from rotating. Apr 22, 2013. #1. It takes a fair amount of amperage to engage the clutch,but not alot to hold it in the engaged position. If you battery was shorted or bad,it would not have the reserve to engage the clutch. The alternators on a lawn mower are not high amperage, they usually only put out 10-15 amps,enough to keep the lights lit, the pto ...My tractor makes a popping noise and the pto won't stay engaged.What's it soun like to you? Tractorpoint. Forums Search; Forums; New Posts; Photos; Manuals/Links; Parts Parts Home; ... New Holland tractor PTO does not engage. Art White Join Date: Jan 2000 Posts: 6898 Waterville New York Pics: 2012-08-20 1846822. Why won’t the PTO shaft turn, even after you engage the clutch and PTO light is on? Your tractor’s model will factor in here, but we’ll give some troubleshooting ideas for a Kubota tractor PTO not engaging fully. Likely, though, your PTO is all mechanical and possesses two hand levers. One lever is for the clutch plate.New holland tractor pto problems can occur due to various reasons such as mechanical issues, electrical problems, or operator errors. New holland tractors are ... Here are some points to consider to identify the inoperative pto: Pto won’t engage or disengage; A flickering or malfunctioning pto warning light;One of the most common New Holland PTO problems is a worn-out clutch. If the clutch is worn out, it can cause the power take-off system to malfunction or even fail completely. Replacing the clutch can be a quick and easy fix, and experienced mechanics can help you identify and resolve the issue. Check the Engine Speed.

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If its NOT turning the belted shaft, you may need a new pto clutch pack because the material is worn away. You still want to feed 12v to the PTO clutch in case there is a voltage problem and see if you can manually engage the clutch. You need Mom for this, too. Nov 1, 2010 / JD F935 - PTO won't engage #6.M. milton33red Discussion starter. 3 posts · Joined 2009. #1 · Apr 19, 2009. The Ford 3930 at the nursing home where I work seems to have a problem with the PTO. There is a 3-4 second delay in from when you switch the lever to engage the PTO and when it starts turning. Once it starts it takes off real suddenly.Oct 24, 2022 · There is a pipe nipple covering the PTO shaft, so you cannot see if the shaft is turning or not. Most likely it has a "live" PTO with a two stage clutch. The clutch may need replacement? Figure $2.5K to repair if this is the case. You have to split the tractor to replace the clutch + Shibaura parts are expensive, and repair charges are going up. F. Jul 21, 2012. Messages. 22. Location. Central Illinois. Tractor. New holland mc28. Picked up a New holland MC28 mower needing repair, the pto wont engage unless the threaded adjustment rod is adjusted to the max, like barley 2 threads left. And even then you have to hold it just right or it wont engage.The bolt-on, counter-sunk plates are designed so they won’t catch debris and chin guards come standard to deflect clippings. Plus, the four-plate slip clutch and flexible top link provide extra protection. All models are built tough for outstanding cutting capacity and years of worry-free performance. Workmaster™ 55, 65 and 76 HP utility ...John Deere 4010 tractor 5 yrs old 220 hrs .replaced battery,restarted and pto light glowed brighter than usual,ran for 2 mins and light went out. ran for a further 5 mins and tractor stopped.tractor w …Ketchum Discussion starter. 3 posts · Joined 2015. #1 · Dec 28, 2015. I have a Ford NH model 1920 that has PTO issues. Over the last several weeks, it harder to engage pto/snowblower. Yesterday no luck at all. Dealer says to bring in split transmission to adjust. ($1200+) Clutch play OK. Can I jump the rear pto switch temporarily until dealer ...Lawn Tractor Mower Deck Won't Engage - FIX PTO Clutch Problem - MUST SEE VIDEO!In this video I show and repair a common issue that will cause your PTO switch...First, The PTO (power take-off) Switch. Here’s the PTO safety switch under the tractor. Have your buddy move PTO engagement lever back and forward so you can find the place where the switch is mounted on a bracket under the tractor. Watch out for getting your fingers pinched as we works the lever! If the power take-off is toggled on, it won ...Jul 21, 2021. #1. there is a plate right behind the engine that covers the flywheel and clutch access.follow the clutch linkage from the pedal and pto lever up toward the engine and look on the bottom of the tractor, yes, if you take the plate off the bottom of the hydraulic filter housing you will be taking a hot soapy shower!New User. Jan 28, 2024. #1. Hello all, I just bought a 1964 Ford 4000 with the 4 cyl gas engine and SOS trans. I am new to AG tractors but have worked on cars and heavy machinery. I cannot figure out why my PTO won't engage. The PTO free spins while running the tractor with and without the lever being pulled. ….

537 posts · Joined 2006. #6 · Jul 8, 2007. I have a 3205 and my PTO ran me nuts for awhile. Look very closely at the bottom of the bellows. Mine had a very hard to see line crack that caused it not to be able to develop vacuum and engage. All indications will be that the PTO should be engaged, yet it isn't.Location. Central Illinois. Tractor. New holland mc28. Hello, Just picked up a new to me, new holland mc28 yesterday. Everything works good, except the fuel gauge. And the real problem. And why he sold it so cheap, The pto lever wont engage the blades unless held all the way down in just the right spot. Once you let your hand off, it stops.With the tractor off and the wires at the switch removed, probe the switch contacts. Disengage the PTO lever = switch resistance should be infinite ( no continuity ), engage the PTO lever = switch resistance should be = 0. If the switch proves okay, have a look at your wiring diagram to see if there is a relay for the PTO safety circuit.My tractor makes a popping noise and the pto won't stay engaged.What's it soun like to you? Tractorpoint. Forums Search; Forums; New Posts; Photos; Manuals/Links; Parts Parts Home; ... New Holland tractor PTO does not engage. cmetcalf Join Date: Aug 2012 Posts: 2: 2012-08-16 184662Jan 25, 2013. #1. I'm not familiar with a 4600 exactly, but many Ford pto's use hyd pressure to on/off the pto clutch, as well as a brake for the pto. As they get old, the pressure on that system gets light, and the pto will spin, the brake gets too light. Letting it do so wrecks the brake completely, but most folks do, until the pressure doesn ...Ketchum Discussion starter. 3 posts · Joined 2015. #1 · Dec 28, 2015. I have a Ford NH model 1920 that has PTO issues. Over the last several weeks, it harder to engage pto/snowblower. Yesterday no luck at all. Dealer says to bring in split transmission to adjust. ($1200+) Clutch play OK. Can I jump the rear pto switch temporarily until …110. 69K views 4 years ago #tractor #PTO #bigtractors. In this video I film from beneath the tractor from the access panel. The video shows the PTO clutch …It has two settings for the clutch and you can't engage the PTO unless you use adjust the clutch pedal to its highest point. The lower setting is fine for shifting gears but not for the PTO. You probably know this but if the tractor is new to you this might be an easy fix. Aug 28, 2012 / Ford 861 PTO not engaging #5. OP.Aug 19, 2009 · Aug 20, 2009. #1. The clutch must DISengage to allow shifting. A common reason a clutch does not disengage is that it hasn't been used for some time, condensation on the metal has caused rust and the disc has become rusted to the pressure plate. So, the disc, pressure plate and shaft stay engaged with each other all the time instead of ... Nov 14, 2015. #1. Your PTO (top test port) pressure is acting normally. When your tractor is running @ 1900 RPM with hydraulic system warmed at least 140F and you engage the PTO, this is what you should see at the PTO clutch test port on the side: pressure should rise from 0 to 120 psi within 1½ seconds. New holland tractor pto won t engage, New Holland Boomer 37 PTO Not Engaging. I was cutting my field today with no issues until the blades stopped cutting. I looked under the Titan cutter to see if there were any restrictions but there was nothing there, just the blades. I turned the PTO switch on and off, and there was no engagement, but the lighted icon was on the dashboard and ..., May 13, 2020 · New Holland Boomer 37 PTO Not Engaging. I was cutting my field today with no issues until the blades stopped cutting. I looked under the Titan cutter to see if there were any restrictions but there was nothing there, just the blades. I turned the PTO switch on and off, and there was no engagement, but the lighted icon was on the dashboard and ... , Jun 10, 2012 · PTO will not engage on my New Holland 2001 545d ... Always consult equipment operator's manual and follow safety instructions before operating or servicing any ... , Rotterdam finds plenty of ways to pay homage to its predecessors while retaining its stalwart passenger base. Take a look at how the newest Rotterdam handles dining, cabins, entert..., 59. It been awhile since posting. I have a new problem with my TC45d. My PTO does not seem to have any muscle. It turns on and spins but if it gets loaded it just stops. When tilling I have to lift the 3 point then it will start to turn again. I replaced my PTO clutch 300 hours ago because the brake was broken so I don’t suspect a worn PTO ..., 2003-09-15 63986 In the last week or so, I have been unable to engage the rear PTO on my TC-33 (185 Hours). It has always been difficult to engage but now I can move the handle full forward with a gread deal of effort but it is obvious that the linkage is giving and nothing is actually moving., Things to check when your mower blades won’t work: Weak or bad battery. Faulty PTO switch. Bad safety switch. Blown fuse. Worn clutch lever, cable, or engagement linkage (manual clutch) Bad clutch. Worn deck belt. Worn idler tension bracket and spring., If you find the battery won’t hold a charge, you must replace it with a new one. You can find 12-volt lawn mower batteries at your local hardware or automotive store. You may also find batteries at your local lawn mower dealership. Bring the old battery with you. Most places will charge you a core fee unless you provide them with your old ..., Oct 24, 2022 · There is a pipe nipple covering the PTO shaft, so you cannot see if the shaft is turning or not. Most likely it has a "live" PTO with a two stage clutch. The clutch may need replacement? Figure $2.5K to repair if this is the case. You have to split the tractor to replace the clutch + Shibaura parts are expensive, and repair charges are going up. F. , TD95D New Holland... PTO will not engage. Light is working and indicating engaged when the level is in engage position... NO noise, grinding, etc.. No action at all... No gradual failure.. Was working well the last time I used it.. Cable is tight and appears mechanically sound. I tightened the cable anyway.., #1. I have a 3930 New Holland tractor-the PTO will not disengage- I removed the safety module from the tractor. The tractor will start with the safety module …, I am searching everywhere to find the switch to engage the 540 Economy PTO on my New Holland T5060 tractor. I have read this entire owner's manual through and searched all over the web. There is a place on the dash display that indicates the RPMs when this is engaged but I cannot find the way to engage it. It has the deluxe model …, 1. Your Clutch Needs Adjustments. One reason for a tractor PTO not stopping or disengaging is that your clutch needs some adjustments. It is a fairly common cause for …, Correct, that independent PTO is completely independent of the transmission and the clutch pedal. The PTO has its own input shaft from the flywheel that is not affected by the clutch pedal, and there is a separate hydraulically controlled clutch pack and hydraulically controlled brake that engage and disengage the PTO, and the handle just controls the hydraulic control valve., With the tractor off and the wires at the switch removed, probe the switch contacts. Disengage the PTO lever = switch resistance should be infinite ( no continuity ), engage the PTO lever = switch resistance should be = 0. If the switch proves okay, have a look at your wiring diagram to see if there is a relay for the PTO safety circuit., When it comes to buying or selling a tractor, having accurate and reliable information about its value is crucial. This is where the New Holland Tractor Blue Book comes into play. ..., Getting a PTO or Power Take Off shaft on and off can be a bit of a chore. It's also possible to do a lot of damage to your PTO shaft if you don't do some pr..., 1 post · Joined 2023. #1 · Sep 16, 2023. I have an x324 and the pto made a loud squealing sound and immediately killed the engine. My son was driving it and hit a hole and got stuck and that's when it started. It sounds like a belt needs replaced. Note the pto won't engage at all. I'm curious if anyone else had any input before I dive into it., Holland America ships are known for traversing the globe on long, multi-port, multi-country trips that appeal to people who want to wander. The news on Wednesday for Holland Americ..., 2362 posts · Joined 2014. #3 · Oct 11, 2019. My bet would be some chipped, broken teeth on the PTO counter shaft and sliding gear. No way to know that for sure from here, but I've seen more than one TC series with that issue. If that is indeed what's wrong, the solution is a bit of a project. The gears can be accessed after removal of the ..., New Holland TC33d no crank no start. I have a new Holland TC33d that will not crank. I bought the tractor and the previous owner had wired the starter wire to the ACC terminal of the key switch to get it to crank. I bought a new switch installed it and I am getting 12 volts in the ACC, heat, and start terminals of the new key switch., JD950-85 Discussion starter. 13 posts · Joined 2017. #1 · Apr 29, 2017. Well, I have another issue other than leaky from hub seals. When I try to engage the PTO, it grinds going into gear. I've waited a short time with the clutch fully compressed, idle down as low as I can go without shutting the tractor off and it still wants to grind into gear., Dec 4, 2012 · Tractor. NH TC33D, NH TZ18DA. The clutch on a TC 33D disengages all moving parts behind the engine and ahead of the transmission. When you depress the clutch, forward motion and everything else should stop. If this is not happening, then the clutch plates have rusted together and you will have to try and break them free. , I've learned when this occurs, test the starter by jumping the solenoid start terminal to battery a few times in succession. If the starter engages each time, as it often will, then add the relay. Nov 29, 2014 / New Holland TC 40 D starter wont engage #9. D., New Holland TC33d no crank no start. I have a new Holland TC33d that will not crank. I bought the tractor and the previous owner had wired the starter wire to the ACC terminal of the key switch to get it to crank. I bought a new switch installed it and I am getting 12 volts in the ACC, heat, and start terminals of the new key switch., Having trouble with your PTO or tractor maintenance? We've got the answers you are looking for!, Colorado has a new, refreshingly straightforward "right-to-repair" bill into law as of this afternoon, which farmers should appreciate. Colorado’s governor signed a refreshingly st..., So the 716B Front-mount Snow Blower (60-inch) is for sale. $1950.00.and if I cant get the PTO'S going I'll be selling a 3 point like new 60" new holland finish mower also!! Any other imput is still greatly appreciated!!!!!!!, Windswept and rain-soaked, François Hollande cut a lonely figure yesterday. Amid a steady drizzle, the French president delivered a speech on an island off the coast of Brittany, t..., When it comes to investing in a tractor, it pays to invest in quality. New Holland tractors are renowned for their reliability, durability, and performance, making them a smart cho..., May 11, 2016 · May 11, 2016. #1. I have a 1964 ford 4000. I pull out on the coil cable in the conduit and the handle pulls fine but the pto wont engage. In the past it was fine but I always had to put tractor in reverse before the pto would engage. from that point on I would put into drive and increase rpm to desired point and go. Now it wont engage at all. , The TC40 and TC35 can have a mid PTO, but that option was not even available on the TC45D until the TC45DA came out. It sounds like you are looking at a diagram for the wrong tractor or looking at the mid-PTO for the TC40/35 tractors. I have the printed repair manual for my tractor. I did not rely on anything online for my info., If anyone is having an issue with their PTO speeding up and slowing down on a TC55DA w/EHSS I think I have a place to look for a potential problem. There is a small rubber hose (1/2") that is the supply line to the PTO/EHSS pump that is shaped like a "U". Mine had a pinhole in it allowing the pump to starve for fluid when the PTO was engaged ...