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Questions about your garden tractors

Jun 062011

Simplicity Garden Tractor

We offer free “technical support” about most outdoor power equipment. Jim doesn’t know all the answers but helps when he can. Disclaimer: He isn’t always right! We have quite a few of the questions asked on our web site and according to the calls and e-mails we get, you like reading them! Here’s more:

Q: I have a Yard Machine (Gold Series) 17.5 hp engine. Because of work I do not get to cut the grass until late evening, so I install a couple spot lights to allow cutting at night.
Unfortunately the lights are draining the battery. What are my options? I am thinking of installing an alternator. is it very difficult?

A: You should be able to order out a bigger amperage output alternator and rectifier and come up with enough power to stay ahead of your added lights.

Q: I have an early 1970′s Jacobsen Super Chief, Hydro 1200 tractor, with a Rand
Hydro-Transmissions unit in it, number 90-4029. I would like to know which transmission oil to use. I have been told by one dealer to use Dextron automatic transmission oil and be another dealer to use regular hydraulic fluid. I would certainly appreciate knowing for sure which type of oil to use.

A: I would use the red Dextron III transmission oil.

Q: Is there a way for me to test the alternator on my Toro Wheel Horse 520-H garden tractor? To be honest, I can’t even locate an alternator. According to owners manual the alternator is 12 Volt, 20 amp. Regulated. When the battery is fully charged the voltmeter reads 12 volts. As it discharges there is no voltage reading. The 30-amp fuse tests good. If you can help me locate the alternator I can check electrical connections. Apparently this is some kind of pulse alternator since I can’t locate it. The engine is an Onan P-220-G I/10955D.

A: I think if you would install a new rectifier you would be working fine again. First make sure you have power to the center wire on the regulator with the ignition key on.

Q: I have a Scotts 2554 and the electric clutch makes a squealing sound when the mower is not engaged. When the mower is engaged the sound goes away. I understand that the clutch has a brake adjustment. How do I adjust it? The mower has a Kohler 25 hp motor with serial number 3034903061. If the bearing in the clutch is bad how much trouble is it to take it off and where is the best place to get a replacement part?

A: You adjust those self locking nuts until you have about .010 clearance in the brake. It sounds to me like you have a bad bearing and on that clutch I do not think the bearing can be replaced. That would make you have to replace the complete clutch.

Q: Help… mowing season is here and after servicing my Simplicity mower I now find that the mower starts and runs fine. However…when I engage the PTO the engine stalls. I replaced the PTO dash switch and unfortunately this did not help. Do you have any suggestions or thoughts that might assist me with my troubleshooting?

A: Yes, check out the wiring or the seat switch for an open circuit. Check out the hydrostatic switch and the switch on the brakes.

http://www.jimsrepairjimstractors.com 1-800-618-8738

Time to Mow the Grass

3 Responses »

May 302011

We mow with this Gravely

It’s summer and time to mow the grass. This old Gravely is what our neighbors use to mow all 3 of our country lawns. It just got repowered with a Vanguard engine. It’s ready to mow for another lifetime. It has a 72 inch mower deck. Yes, the neighbors mow our yard for us too.

Starting up the mower decks sometimes uncovers needed repairs.

Q: I just bought a used John Deere LX176 mower, The blades will not engage. When I brought it home today everything was working fine, however, when I turned off the blades to move to another area to mow, NOTHING. I called the mower shop where I purchased it and was told to replace all fuses, so I did, still NOTHING. I even replaced the PTO switch with a new one, still NOTHING, all wires are still connected.

A: Check your safety switch in the seat. Check your safety switch on the brake pedal (if it has one there). Check the wiring into the ignition switch for corrosion. If all of that is not a problem hot wire to the PTO clutch itself and see if that works O.K.

Q: Mowing season is here and after servicing my mower I now find that the mower on my Simplicity garden tractor starts and runs fine. However when I engage the PTO the engine stalls. I replaced the PTO dash switch and unfortunately this did not help. Do you have any suggestions or thoughts that might assist me with my troubleshooting?

A: Yes, check out the wiring or the seat switch for an open circuit. Check out the hydrostatic switch and the switch on the brakes.

Q: Is there an in line fuse for the PTO Switch in my John Deere LX176 lawn tractor? I have replaced the seat switch, the PTO switch, and the two fuses from behind the panel (steering)and the blades still will not engage. No wires were found disconnected. Does this leave the clutch to be replaced next?

A: The first thing to do is temporarily hot wire your PTO clutch and if your clutch works O.K., then start checking into your tractor circuits and wiring.

Q: I have a 455 John Deere Power shift which had a snow blade on front. I intend to cut grass with it and have removed the blade and hydraulics. The mowing deck was not with the tractor so I planned to fit one to a 3 point hitch and operate it off the PTO. Problem is, I cannot get the pto to engage. I pulled out the button on the dash and the dash lights up, but the shaft doesn’t spin. Do I need the mower fitted to the shaft before it will work? There is a handle at tbe rear beside the lift arms that has 3 settings, I am unsure as to its function. There is also a front driven PTO shaft, how does this engage?

A: At one of the settings, it runs the front PTO only, at the next setting it runs the rear PTO only, at the 3rd setting it runs both PTO’s at the same time. Because the light comes on it sounds like there is an electrical magnetic switch problem in the rear end.

Q: I have a John Deere 185 hydro. When I engage the blades they do not work. No noise, no nothing. What can the trouble be? Sounds like a switch to me. Any suggestions?

A: First clean the wires that plug into the backside of your PTO switch, then check out the PTO switch itself. You can also run a hot wire to your PTO clutch and see if the clutch clicks in and out.

Q: I have a John Deere F525 front mount mower and the blades suddenly decided not to work. The mower starts and runs fine, belts are ok, mower moves forward and reverse. Problem is when I pull the mower on switch, nothing. The belts don’t move, the blades no longer want to play. Everything works when moved by hand. I checked the fuses, and all are ok. Any suggestions as to where I might start to identify the problem?

A: You need to check out your PTO switch, brake switch, and other safety switches. Also check for corroded or dirty wiring and connections. Check to see if electricity is getting down to the electric clutch.

Which Model Garden Tractor

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Apr 302011

John Deere 425

If you are contemplating which garden tractor to buy, there are quite a few options to consider. You not only need to plan on what you want the tractor to do now but have some insight into what you might want to do with later. Will you ever want to use a front end loader or a 2 stage snowblower? Then you might want to consider a heavier duty machine. You will also want to know if the attachments you want now or in the future will be available. That is when it is helpful to have a better known brand of garden tractor, later when you want to buy accessories and parts. With so much information on the internet it’s pretty easy to find information on all the new machines and what they have to offer, it’s a little harder to find information on the “good” older machines. Some want a new shiny machine but you might want to consider something you may already have, getting attachments for it, or repowering and getting it running again. We hear from quite a few of you that have had someone give them their old tractor, or they have inherited one. My knowledge is best in the John Deere line of used garden tractors but we have been repowering all the brands since 1988 and have repaired and repowered some great older Cub Cadets, Simplicitys, Cases, Grasshoppers,Craftsmans, Alles Chalmers, Kubotas, Snappers, Great Danes, Toro Groundsmaster, Ransomes, and Ariens. A few e-mails asking – Which model?:

Q: I’m looking for a used John Deere riding mower but I am unsure of the model size that would work best for me. For physical size/storage I’m looking to stay between 100-300 series with turf tires and 38″ mower deck.

I have a little less than 1 1/2 acre of lawn to mow, but I am also looking to use it during the winter to plow snow from sidewalks/driveways.

The features I’m looking for are automatic transmission, power steering, hydraulics up front for a snow plow/snow thrower (preferably 2 stage), rear hydraulics for tiller, a snow cab, and a model that came with good front lights for night visibility. Can you tell me what year and model you would suggest so I can begin my search?

A: Your 100-30 series will not cover your demands. It sounds to me like you should check into the X700 models if you are wanting something new. Otherwise, a John Deere 318 will do everything you asked for and so would a lot of the other older John Deere garden tractors.

Q: I’d like your opinion. Which is better, the John Deere 318 or a newer John Deere 425? It seems they are both comparable in features and price. The JD 425 may be a couple hundred more for a machine with like hours. I know they have some different features, but it seems to me they are similar with both being 20 H.P. and having the hydraulic quick connects. The biggest difference I see is the differential lock and elimination of the two separate brake pedals on the JD 425, and the engine. Which would YOU rather have for the same money?

I would like to do some landscape type grading for leveling up people’s yards and renewing lawns ( stripping off the root mat, grading, spreading blended topsoil, and reseeding, as well as providing mowing service). Do these tractors do a good job loosening up sod with a small disk harrow, or would it be better to get one of the John Deere rear mount roto tillers? I know I need a three point hitch and rear PTO for the tiller, but I also feel pretty sure you will have all the parts I need to make that work. If the answer is the roto tiller, then a front blade would be in order. If the disc harrow would work, a back blade wouldn’t be too hard to switch with the harrow, and I have experience with back blades and box scrapers. I have a gut feeling that the John Deere 425 would be a better machine for this type of work mostly because of the newer water cooled Kawasaki V-twin engine and the longevity and reliability it would provide. But, I also know the JD 318 is one of your favorite models. What’s your opinion on this?

A: You are correct, I would much rather have a John Deere 425 with a water cooled engine. A tractor rototiller works much better than a walk behind rototiller.

Q: I have a chance to buy a John Deere 425 garden tractor with a little over 700 hours on it. I tested it and all looks and sounds good. A friend knows the back ground of the tractor and all sounds good. It is a one owner and cut about three acres. Is this as good a tractor as the 318? Are there any short comings about the JD 425 that you know of or things I should look for?

A: This tractor is rated with the John Deere 318 and John Deere 332 tractors. The only problem we have the 425, 445 is that the plastic camshaft teeth would break off from heat and then a new camshaft needs to be put in. It is not that big of a deal.

The John Deere 318 garden tractors were built from 1983 to 1992. The John Deere 425 was built from 1993 to 2001. I am not necessarily saying newer is better. The 318 has a flat head, air cooled engine in it. The 425 has a V-Twin overhead valve, water cooled engine, 20 horsepower. All of this is much better than an air cooled engine and of course has 2 more horsepower than the 318. The 425 is smoother and quieter than the 318. The 425 has a posi lock rear end and no individual brakes. The 318 has individual brakes but no posi lock rear end. The 318 travels at 7.2 MPH and the 425 travels at 8.4 MPH.

http://www.jimsrepairjimstractors.com 1-800-618-8738

Not a Garden Tractor

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Apr 292011

A lot of what we do here is about garden tractors but there is a lot of equipment we work on that have similar repair issues as the garden tractors. We work on them and repower them too.

We just did a repower with a 23 hp Vanguard engine on an Olathe Sweeper. We have repowered 4 of these now, this one belongs to a commercial lawn service and it turned out very nice. We have repowered a few golf carts, Bobcats, and some skid steers too. A few questions e-mailed in:

Q: I am replacing the engine on a Ford 340 Skid Loader. The loader has a Wisconsin 30 horsepower VH4D engine, 2800 RPM’s. Can a Briggs 31 horsepower engine be used to replace it? Do you think a hydraulic pump can handle the increase in RPM’s? Have you done this before?

A: Yes, we have taken out a 4 cylinder water cooled Continental engine and installed the 31 horsepower Vanguard engine, it is working fine. Your oil pump usually has no more output going at higher RPM’s. If you are worried about the engine speed it can be brought down of course.

Q: I am currently repowering a 1994 Yamaha G2 golf cart with a 21 horsepower Briggs V-twin Vanguard. I have it all mounted and ready to go except I have fuel coming out of the pump but it doesnâ€™t seem to be getting into the the carburetor. It has what I think is a 2 wire solenoid coming off the back lower part of the bowl. I think it is the anti backfire solenoid? Will that keep it from getting fuel or is it possible the needle or float is stuck? The way I have it wired it cranks and has enough spark. I think you could weld with it, but it wonâ€™t fire. If I dribble a little fuel down the carburetor it will run but then stops as soon as it is gone.

A: You have to get electricity to that wire going to your carburetor electric shut off valve. The wire from your golf cart would be the wire that hooked to your plus side of the ignition coil on your old engine.

Q: I have a John Deere SB14 walk behind self propelled mower. The other day it stopped running while cutting grass. I thought I ran out of gas, but that was not it. When I pull the crank the engine runs for about 2 seconds and then dies. Every time I pull the crank I’ll get the same 2 seconds and then die. I suspected the fuel filter, but the gas flows fine with the gas valve open. I still took it apart and cleaned out the fuel tank and filter which were very reasonably clean for an old machine. Suspecting possible carburetor problems I took off the carburetor and sprayed carburetor cleaner through it, it also looked pretty clean. I keep on going back to fuel flow, but I seem to have checked out that area fairly well. Can you offer any ideas? I also replaced the spark plug and tried the carburetor adjustments 1 turn clockwise and 1 turn counter, but this seems to make no change.

A: I would check out your ignition spark quality. If you are getting a small spark or if it is orange in color, then replace the ignition coil.

http://www.jimsrepairjimstractors.com
1-800-618-8738

Repairs-Diagnostics

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Mar 152011

New Holland garden tractor

Keeping your garden tractor purring like a kitten can sometimes be a challenge. Repairs most times aren’t all that hard, but knowing what’s wrong can be a little harder to figure out. Here’s some common types of questions written in:

Q: Jim, I have a John Deere model 425 garden tractor that has about 800 hours on it. I use it for mowing only. When I start it up it smokes a little and it will only stay running when the choke is half way up. Can you help me?

A: I would start with the basics and replace the spark plugs, but I think you should clean out and overhaul the carburetor. Don’t worry about the smoke when you start up, as long as you are not taking any oil.

Q: I am working with a New Holland garden tractor. It has new plugs, filters, and fuel at the engine. The 24 horsepower Kohler Model CH22S engine runs O.K. for about 30 minutes until it’s warm then spits, sputters, backfires, and flames out the exhaust, all of which results in a great loss of power. Then after cooling down, it acts the same way again.

Your thoughts are appreciated.

A: Starting with the basics, do you have 5-30 oil in it? This engine has hydraulic valve lifters and they can pump up and hold the valve part way open causing a back fire. Another possibility is you might have a loose valve seat in one of the heads. It could also be a bad hydraulic valve lifter.

Q: I have a 214 John Deere lawn tractor. I put all my snow removal attachments on and everything was working fine. I parked it, came home a week later, and it wouldn’t start. I can start it if I cross over the solenoid. I’ve checked all the wires and everything seems to be fine. So what do I do next?

A: Check the wiring to your PTO safety switch or check the switch. Check the wiring to your shift lever safety switch and also the switch itself. Check the wiring condition plugging into your ignition switch or maybe it could be a bad ignition switch. If none of this takes care of it give me a call.

http://www.jimsrepairjimstractors.com 1-800-618-8738

Repair - Troubleshooting

4 Responses »

Mar 052011

Ford 120 Garden Tractor

Our shop offers free equipment troubleshooting advice by telephone or e-mail. I don’t know it all but I have a lot of experience and sometimes know where to find the answers. Sometimes I can’t help at all, but I try. I know the visitors to our web site enjoy reading the questions and answers that are included there, they e-mail and tell me. Now and again I will post some here.

Q: My 1978 John Deere 316 with a Kohler engine starts with a jump but the battery won’t charge. I dont know if it is a voltage regulator or if the starter has a generator built into it. I would appreciate any advice.

A: No, you do not have a generator built into your starter. Your engine has an alternator built into the engine under the flywheel. Take a test light, turn on the ignition switch, touch the center wire on the voltage regulator with the probe of your test light. The light should light, and if it does, then it would tell you that your voltage regulator needs to be replaced. If the light does not light that would mean that you have an open circuit in the ignition switch or the electrical circuit.

Q: I have a Ford 120 with a Kohler 321 engine with an electric clutch to operate the hydraulic pump. I think the bearing has gone bad and I don’t know how to remove the clutch. Is it threaded on or pressed on or…. Please Help. I need this tractor.

A: They are usually bolted on the front of the engine, meaning the crankshaft. Take off the other nuts if you see them on the clutch. Then part of the clutch assembly should slide off – but this very seldom happens. The hub is usually rusted to the crankshaft. If this happens use a lot of penetrating oil and pry back and forth until it starts to loosen and keep oiling it. After it is off, clean the crankshaft with some emery cloth.

Q: I recently bought a 1970 Simplicity 3212H tractor. I new it either had a rod knock or something so I took the engine out, replaced the piston, and put the engine back in. The tractor runs much better, but is there any way that you know of to adjust the hydrostatic rear end for a bit more speed?

A: You can check the hydro linkage if you are getting the maximum stroke on your linkage. I can also go through them and come up with a fair amount of a higher top speed.

http://www.jimsrepairjimstractors.com 1-800-618-8738

Garden Tractor Troubleshooting

6 Responses »

Feb 012011

Agco Allis garden tractor

Around here we call all the annoying things that go wrong with your machine when you try to use it first time out the “Wintertime Blues”. Why does it not work when it worked fine when we put it away? We don’t know, sorry. But we fix all kinds of machinery here at our shop and answer lots of questions about it. Here are a few:

Q: Jim, I have not used my tractor in about 6 months. I tried starting it but the tractor backfires during a higher speed and eventually will stop. I already replaced the gas filter, cleaned the air filter, and replaced the spark plug. What could it be?

A: Make sure your valves are not sticking in the valve quires from sitting too long.

Q: I have a question regarding my John Deere 316 garden tractor and a problem with the hydraulic blade sticking in position. The blade functionally is not the problem. we have switched the hoses around to verify that it is not the blade, also the handle linkage is not stuck. One of the four hookups does not allow the blade to return. We can make the blade go up, but cannot return it back down (also we can do the same with left to right if we switch our hook ups around). We have been putting the blade down and lifting the tractor off the ground and having the stuck hookup be the return that would lift the blade. We leave the handle in the down position and over about a 3 hour period, it will slowly release and set the tractor back on the ground. Any thoughts on how to release this sticking? The fluid used is the transmission fluid of the tractor, would a transmission cleaner additive work?

A: It sounds to me like you will need to replace the double hydraulic control valve and see if that takes care of your problem.

Q: Jim my problem with my John Deere 425 garden tractor is driving me nuts, The dealer says the switch is good, but seat switch was bad. Now it dies when you take the brake off, The PTO still does not work. Got any good ideas on this problem?

A: Check your fuses, make sure the seat switch is okay, then remove the rear fenders and check out the wiring going from the seat up to under the dash.

http://www.jimsrepairjimstractors.com 1-800-618-8738

John Deere 140 Garden Tractor

5 Responses »

Dec 102010

John Deere 140 garden tractor

The John Deere 140, In 1968, was the first hydrostatic garden tractor born to John Deere. It had a 12HP Kohler engine. In 1969 John Deere changed the engine to a 14 HP Kohler. The John Deere 140′s were manufactured with the Sundstrand high gear hydrostatic transmissions up through the serial number 30,000 or 1970. The garden tractors with the serial number 30,001 and above and built in 1971 and newer had the new style Sundstrand transmission. This transmission was used up through all of the John Deere 140′s, ending in 1974. That style hydrostatic transmission was used in all of the John Deere garden tractors including the 120, 140, 300, 312, 314, 316, and 317 ending in 1982.

The John Deere 140 came standard with one hydraulic lever and 2 hydraulic couplers up front. On the 140 H1 John Deere you could special order individual brakes, headlights, and oversize 23×10.50×12 rear tires. Another special order option was the John Deere 140 H3. The H3 came standard with the whole works; triple hydraulics, headlights, individual brakes, and a cigarette lighter. Individual brakes came as a standard option on the 318, 322, 332, 420, and 430 garden tractors and ended as an option in 1992.

I bought my new John Deere 140 H3 garden tractor in November of 1972, making it a 1973 model from J&W Boat and Motor. We bought a JDX8 snowmobile at the same time. We made good use of the â€œH3â€ triple hydraulics, as I had the front 54″ blade mounted on the front and bought the optional hydraulic angling kit for it. At the same time I had a John Deere model 33 roto-tiller mounted on the rear, making use of all 3 hydraulic levers simultaneously if I wanted to. One lever is used to raise and lower the blade and has hydraulic down pressure on that same lever, it is built similar to the John Deere farm tractor design. The second lever was used to hydraulically angle the front 54″ push blade from left to right and right to left. The 3rd lever is used to raise and lower the John Deere model 33 roto-tiller. This was a good combination to have together for tearing up and leveling ground. Two hydraulic couplers mounted on the rear of the tractor could be ordered as an option to run a 3 point hitch to use even more attachments.

I personally had a roto-tiller, 49 snowblower, the 48″ mower deck, and a Johnson Workhorse front end loader. Other attachments I’ve had are a sickle bar mower, thatcher with engine mounted vacuum system and trailer, 54 inch front push blade, 54C center blade, 3 point hitch, and integral hitch.

I wish they had come out with an hour meter, it would be interesting to know the great amount of hours on this machine. We use this tractor commercially to run our business. It has gone through three of the 1 cylinder, 14 HP Kohler engines and then in 1988 the Briggs Vanguards came into being. We installed a 14 HP, V Twin, overhead valve, Vanguard engine with an oil filter and oil pump. The repower ended all the engine headaches and this engine is running steady today with many many hours on it. I’m afraid this engine and tractor is going to outlive me! This tractor has been used in tractor pulling since 1973 and basically knew nothing but 1st place for years. I’m proud to let friends and customers try out my 140 to get a feel for the great sturdy tractors and the power of the Vanguard engines. Once in a while I even show off and do some wheelies with it. The price of my 1973 John Deere 140 H3 was $1745. $10,000 today wouldn’t buy you those kinds of options in a new John Deere garden tractor.

I once installed a 3 cylinder Geo engine in a John Deere 140 for garden tractor pulling, if you would like to read about it check out this page: http://www.jimsrepairjimstractors.com/geo_story.htm

http://www.jimsrepairjimstractors.com 1-800-618-8738

Garden Tractor Attachments

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Nov 162010

John Deere 40 Front End Loader

When you have managed to get a nice collection of garden tractor attachments it’s not an uncommon practice to own more than one garden tractor to use them with. We’ve done this often with our neighbors, keeping less used attachments like the belly blades, roto-tillers, de-thatchers, and leaf collection systems on one tractor while having a mower deck or front end loader on another. We use our front end loaders every day so we need our shop tractors with loaders not to be tied up mowing the grass. We get plenty of questions about which attachments work with different models of garden tractors. Here is a recent one:

Q: I have a John Deere 330 diesel garden tractor. I have numerous attachments for it. It has a front loader, 3 point hitch, and more. I also have a power broom that I would like to mount on a different unit as the loader and broom are too inconvenient to continuously switch out. I am curious as to which models will interchange with mine. I understand the 316, 317, 318 models will accommodate my accessories. What other models will? I plan to look for a second unit to mount the broom on and perhaps my tiller as well. What are my options? Do you have any insights on the 330? Anything I can do to increase the hydraulic capacities? Any quirks I should be aware of?

A: The garden tractors you can mount the broom are John Deere 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, and 332.

The loader and your 3 point hitch can only be mounted on John Deere 316, 318, 322,330, and 332.

The hydraulics on the John Deere 330 garden tractors work fine, if you are running the loader off of the tractor, I would switch the loader over to it’s own pump. The front end loader works much faster and better if you get a big enough pump.

Q: I am intrigued by the idea of using a separate pump for the loader. Would this be
powered from the front PTO? Where would one mount such an animal? What should I be looking for in a pump? How big is big enough and what kind of performance could I expect? Currently my unit struggles with about 300 lbs, but the bucket capacity is slightly larger, when I switch to the 2′ forks (my own design) I would like the ability to occasionally lift more than that. Increased speed would be a much welcome side effect if possible.

A: The loaders usually come with about a 4 gallon per minute pump. A 9 gallon per
minute pump will make things work pretty good. Myself, I put on a 22 gallon per minute pump on the John Deere 318 – the Bird, but you do not have to go that far. On most front end loaders there is a by pass valve on the 2 lever valve that allow you to adjust the lifting capacity of your loader. Of course in doing so you will have to add even more weight yet to the rear of the garden tractor.

http://www.jimsrepairjimstractors.com 1-800-618-8738

Garden Tractor Info

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Time to Mow the Grass

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