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Old 10-10-2014, 10:25 PM
PicturePerfectLawns PicturePerfectLawns is offline
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Maintaining a diesel (Kabota)

Well the cards were right, I got one heck of a deal, and bought a Kubota 60" 300 series today. Now to the bad part, I'm not familiar with diesels. I maintain and take care of my gas mowers, but never a diesel.

Are there any special services I need to perform on this Diesel that's not mentioned in the service manual?
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Old 10-10-2014, 10:33 PM
FoghornLeghorn FoghornLeghorn is online now
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Keep your spindles and u-joints lubed. You're going to love the hydraulic deck lift, it's a lifesaver
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Old 10-11-2014, 09:52 AM
appalachianoutdoors appalachianoutdoors is offline
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As stated, grease all points as outlined in the manual. Check the air filters and deck gearbox occassionally. One thing that we have had problems with is the front deck casters. They built up dust and will quick swiveling and start to dig in the ground some. About once a month, take a few minutes and take out the spring clip, wipe down the yoke shaft really well and clean out the inside the of the caster neck, reassemble, and add fresh grease. I did have an oil pan start leaking on a 326 at about 500 hours and had to remove the engine to change the oil pan gasket. This was an '08 that has a welded bracket that prevents you from getting to the rear 8-9 bolt on the oil pan. Bad engineering design. Enjoy your mower.
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Old 10-11-2014, 10:28 AM
ducnut ducnut is online now
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Use diesel-specific oil, such as Rotella. Keep an extra fuel filter with you, at all times. Constantly drain the water separator. I'd make a habit of adding a fuel additive, such as Power Service, Lucas, etc. Anytime it comes off the trailer and parked in the shop, I'd hook up a Battery Tender Jr to it, so the battery is always topped off. Diesels take a lot more amps to spin the engine. Now, that it's getting chilly, you'll want max power.
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Old 10-11-2014, 10:37 AM
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JCLawn and more JCLawn and more is offline
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1500 hrs on mine and just keeps everything greased well and change that gear box oil when you are suppose to. I have developed an oil pan leak too. Just makes her wet. The fuel filters go at about 700hrs unless you have dirty fuel. Fyi I parked my machine and let it set all winter and started it when it was 30 out with no battery tender.
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Old 10-11-2014, 10:48 AM
ducnut ducnut is online now
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Quote:
Originally Posted by JCLawn and more View Post
Fyi I parked my machine and let it set all winter and started it when it was 30 out with no battery tender.
Anytime a battery is discharging (anytime it's parked), it is sulfating. You won't get away with doing what you are for too many years. Putting equipment on a smart, battery maintainer will get far more years out of your batteries than without. They're only ~$30. The last Interstate mower battery I bought was ~$100. If you could double or triple the average battery's life for thirty bucks, why wouldn't you? The knowledge of a machine's battery always being at its peak is one less thing to worry about. It's simple battery maintenance.

Keeping my stuff on Tenders got me 9yrs out of my FasTrak battery and 10yrs out of a motorcycle battery. I keep 2 mowers and 2 motorcycles pugged in.
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'13 Hustler X-ONE, 60", Kohler ECV749 EFI
'05 Hustler FasTrak, 42", Honda GXV530
'13 Toro Timemaster 30"
'02 Lawn Boy SilverPro 21"
Stihl BR600 blower
Stihl BG55 blower
Stihl FS55R trimmer
Stihl KM55R Kombi system
Stihl MS180C chain saw
Stihl HS45 hedge trimmer
RedMax Reciprocator
Echo SRM225 trimmer
Echo GT-2000 trimmer
Gravely WB edger
Husqvarna 580BTS blower
Dolmar 245.4 string trimmer
'06 Chevrolet Silverado
'13 Bravo Star, 7'X12', V-nose
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  #7  
Old 10-11-2014, 12:39 PM
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RedSox4Life RedSox4Life is offline
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I've had a few kubotas, two of the 300 series. They're pretty bullet proof machines. Lots of grease points.....stay on top of that.

Mine are gassers, so I have no diesel specific experience. But kubotas been building diesels for a long time, I'm sure the kinks are pretty well worked out.
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Old 10-11-2014, 12:54 PM
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JB1 JB1 is online now
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had a guy tell me once that whatever hours it says for maintance, cut it in half, they use that engine in a lot of reefer units and they ran forever.
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Old 10-11-2014, 01:25 PM
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retrodog retrodog is online now
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Biggest thing for you guys to worry about is the radiator. Minimum rebuild on a bota is around $4500. If you dont have the specialized radiator clean out tool your radiator is not cooling properly. They are around $50 and should be givin in the owners book of all lc kubota engines. Do not ever power wash fins, use a brush, or just use a water hose you are just asking for issues...
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Old 10-11-2014, 01:50 PM
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JCLawn and more JCLawn and more is offline
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Quote:
Originally Posted by ducnut View Post
Anytime a battery is discharging (anytime it's parked), it is sulfating. You won't get away with doing what you are for too many years. Putting equipment on a smart, battery maintainer will get far more years out of your batteries than without. They're only ~$30. The last Interstate mower battery I bought was ~$100. If you could double or triple the average battery's life for thirty bucks, why wouldn't you? The knowledge of a machine's battery always being at its peak is one less thing to worry about. It's simple battery maintenance.

Keeping my stuff on Tenders got me 9yrs out of my FasTrak battery and 10yrs out of a motorcycle battery. I keep 2 mowers and 2 motorcycles pugged in.
going on 4 years with the oem one. Just saying the mower will start just fine without it. My battery tender was like $60, I more use it for keeping my truck battery warm in the winter for easy starting.
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