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  1. #1
    Silver Member
    Join Date
    Jul 2011
    Posts
    232
    Tractor
    Steiner 430

    Default What to look for when testing a used machine

    I test drove a 1999 PT-422 yesterday. Owner bought it used. Said the motor was rebuilt in the fall. It was very hard starting. Took quite a few shots of starting fluid. It has been out in the weather, not garaged. The fan on the oil cooler isn't working. I noticed a couple hoses needing to be replaced. One tire is dry rotted. I didn't notice any oil leaks. Hour meter not working. Couldn't tell whether wheel motors are okay or not. Needs a lot of TLC. What would you offer

  2. #2
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    25,421
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: What to look for when testing a used machine

    If worse comes to worse, a new motor could run $1500.

    Jump the oil cooler fan directly to a battery to see if the fan motor works. They are notorious for just blowing a fuse and/or the temp sensor that triggers it goes bad. If the fan motor is good, you can wire it to a switch and manually operate it(that's what I do with mine). If the fan motor is broken, $50-100 repair.

    Hosed can be had from Surplus Center, farm stores, etc.... for not too much. However, some are custom lengths and not much room to leave a bunch of slack around and store bought come in 2' increments.

    Get it running and warmed up for 20 minutes. Drive it around. Stop moving and turn the wheels lock-to-lock a few times to make sure it has full articulation.

    Check the oil in the hydraulic tank and look for discoloration, dirt, etc...

    Move the FEL fully many times.

    Drive it up to a tree, push against the tree with the bucket, FEL, etc... and at full throttle see if you can spin the wheels or stall the motor. I can spin my wheels with turfs and sometimes stall the motor. If the wheels don't spin and the motor doesn't stall, there could be a chance that the wheel motors are just passing through fluid and not triggering bypasses, etc... its really kind of a feel thing.

    They do not have the traction and lugging capabilities of a conventional tractor, so it won't be able to pull much. But it should accellerate to 8mph both forward and reverse eaily for mowing/tram speed.

    On a flat level surface at full throttle with no feet on the pedals, the tractro should not creep in one direction or the other. It should hold still.

    That is an old unit. It should have the hydroback cable pedal control that uses a cable operated by the foot treadle to move a lever on the variable volume pump connected to the engine. With the tractor off, operate the foot treadle several times in both directions to make sure it moves freely and you can't feel any binds or grinding.

    Remove the access panels on the sides of the tunnel in the foot wells and look at the treadle assembly and see if it has bee greased regularly or if it is a rusty mess. Also inspect the ball joints on all of the articulated joints. Bounce the front and rear of the tractor up and down and see if it flexes up and down in the middle joint. It should not. If it does, that indicated either a loose joint that can be tightened with a large wrench (not a problem) or a worn joint that could fail ( a big problem).

    Inspect all of the ball joints on the steering rams. You should be able to rotate them with your hands.

    Does the unit have the quick attach feature or are the attachments connected with pins? The quick attach is worth its weight in gold and I wouldn't have a unit without it unless the unit was going to be dedicated to one task, or switched over once a season. I have to change implements often, so I need it.

    That's about all I can think of. Good luck.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  3. #3
    Elite Member BobRip's Avatar
    Join Date
    Sep 2004
    Posts
    4,309
    Location
    Powhatan Va.
    Tractor
    2000 Power Trac 422

    Default Re: What to look for when testing a used machine

    The choke might be stuck open. Easy fix, a little carb spray. Price wise, $1000. I have no idea what it's worth, just that's what I would offer.
    Bob Rip
    Tell me and I will hear.
    Show me and I will see.
    Let me do and I will learn.
    Let me fail and I will understand.

  4. #4
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    25,421
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: What to look for when testing a used machine

    Quote Originally Posted by BobRip View Post
    The choke might be stuck open. Easy fix, a little carb spray. Price wise, $1000. I have no idea what it's worth, just that's what I would offer.
    I agree. It's 14 years old in unknown condition. Could be a fun project. Could be a money pit. Depends on your train of thought!
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  5. #5
    Platinum Member tmarks11's Avatar
    Join Date
    May 2005
    Posts
    690
    Location
    Port Orchard, WA
    Tractor
    Power Trac 422 (2005)

    Default Re: What to look for when testing a used machine

    Quote Originally Posted by Frank Sorbello View Post
    The fan on the oil cooler isn't working.
    Fan is controlled by a temperature sensor, so won't come on until the hydraulic oil hits 130F or so. Maybe you just didn't run enough to hit the setpoint. In cold weather, without using a PTO attachment, it could take quite a while to heat up that hot.

    How cold was the weather? Stored outside like that, the need for starting fluid doesn't necessarily mean the engine was bad, maybe it just hadn't been run in the last few weeks.

    Look at the hydraulic fluid in the tank, and check how dirty it is.

    What attachments come with it?
    -----------------------------------------------------
    Now in Port Orchard, WA
    2005 PT-422
    4n1 bucket, minihoe, auger, 48" mower, land pride aerator, tow adaptor, forklift, crane, Herd GT77 spreader, LMB, 60" blade, box blade, M1 abrams turret.
    PT422 (6/23/05) photo page

  6. #6
    Gold Member 3238dpw's Avatar
    Join Date
    Nov 2006
    Posts
    327
    Location
    Central NJ
    Tractor
    Power Trac 425, C-121 Wheel Horse, 2 Exmark 60 inch zero turn mowers

    Default Re: What to look for when testing a used machine

    I know when I bought mine I called Power Trac and talked to Terry. He told me what he thought it was worth. I think at that price it was a steal so I think it was good advice. I remember his biggest concern with my machine at about 1600 hrs was the Hydraulic pumps which he thought would be ok. He discouraged me from buying a 1430 that the same person had for sale because it had over 2000hrs on it and the pumps were the reason for his concern. He said the motor would be fine but the pumps could be an issue. I have close to 2000 hrs on mine now and everything is fine, but it does feel like it has some age on it. So now that I am done rambling I guess my advice is to talk to Terry.
    Scott

  7. #7
    Elite Member BobRip's Avatar
    Join Date
    Sep 2004
    Posts
    4,309
    Location
    Powhatan Va.
    Tractor
    2000 Power Trac 422

    Default Re: What to look for when testing a used machine

    Quote Originally Posted by 3238dpw View Post
    I know when I bought mine I called Power Trac and talked to Terry. He told me what he thought it was worth. I think at that price it was a steal so I think it was good advice. I remember his biggest concern with my machine at about 1600 hrs was the Hydraulic pumps which he thought would be ok. He discouraged me from buying a 1430 that the same person had for sale because it had over 2000hrs on it and the pumps were the reason for his concern. He said the motor would be fine but the pumps could be an issue. I have close to 2000 hrs on mine now and everything is fine, but it does feel like it has some age on it. So now that I am done rambling I guess my advice is to talk to Terry.
    Good advice.
    Bob Rip
    Tell me and I will hear.
    Show me and I will see.
    Let me do and I will learn.
    Let me fail and I will understand.

  8. #8
    Silver Member
    Join Date
    Jul 2011
    Posts
    232
    Tractor
    Steiner 430

    Default Re: What to look for when testing a used machine

    So, I own a pt-422 as of 12:00 today. I think I got it for a fair price. The seller was very nice and honest. The machine needs a whole lot of TLC. Ideally, I wanted to purchase a new pt-425. I applied for a small business loan from my bank and another bank, however I was denied. Frustrated by the bank's decisions I knew I didn't want to go through the hassle of re-applying for another loan. I am hoping I won't be disappointed buying this machine.
    Thanks for all your help,
    Frank

  9. #9
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    25,421
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: What to look for when testing a used machine

    good for you. Post some pictures of the new beast when you get a chance.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  10. #10
    Veteran Member
    Join Date
    Jun 2006
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    2,177
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: What to look for when testing a used machine

    And any picts of projects too!

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