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  #11  
Old 09-30-2012, 07:59 AM
orangemower orangemower is offline
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Quote:
Originally Posted by mach14604 View Post
I bought the TT with 28hp Cat. One word Beast
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Originally Posted by puppypaws View Post
I've run two new mowers side by side, one with a 33 hp Generac (equal to the 35 Vanguard), and the other with the 28 hp, 3 cylinder Cat diesel. The Generac made the Cat look sick, we put them in very big grass to see what both engines had to offer, the Generac powered mower just walked off and left the 28 Cat. The Cat being horizontal is only putting about 25 hp to the blades. There was so much difference in how both engines handled the big grass, one would need to see, to believe it.

The Cat powered mower could not maintain its high end operating rpms, it had to be run virtually as slow as possible to keep from killing the engine, whereas the Generac never slowed. I mean it was sad to see what was an expensive Cat diesel had to offer in comparison to the big block Generac. You only need to demo the Cat and Vanguard on the same deck to see the difference for yourself.

The 4 cylinder 35 hp Cat is a totally different engine, much smoother operation, and power far beyond that of the smaller 3 cylinder.

If you demo the 28 Cat and 35 Vanguard on weekly cut grass, you will not notice much of a power slump with the diesel, but if you get into thick large grass, or large damp grass, you will see the difference immediately.
You were the first person I thought of when I saw this thread. Great post.
I have a feeling "Mach" hasn't cut tall over grown grass with his yet.
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  #12  
Old 09-30-2012, 11:14 AM
mech1atgsk mech1atgsk is offline
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I have run mine in tall wet grass here on our farm and it powered right along. I just bought this Scag TT w/cat this month. I sold my old Scag TT with 27 Kawasaki because I was unhappy with power when cutting just such grass.

mech1atgsk
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  #13  
Old 09-30-2012, 01:40 PM
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puppypaws puppypaws is online now
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Quote:
Originally Posted by mech1atgsk View Post
I have run mine in tall wet grass here on our farm and it powered right along. I just bought this Scag TT w/cat this month. I sold my old Scag TT with 27 Kawasaki because I was unhappy with power when cutting just such grass.

mech1atgsk
If you think the 3 cylinder 28 Cat has ample power, you would be blown away by the 35 hp Vanguard, and if you could get a 35 Cat on a TT you would be shocked beyond comprehension.
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  #14  
Old 09-30-2012, 03:23 PM
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LibertyFarmLandscaping LibertyFarmLandscaping is offline
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Wonder if you could turn up the 28 cat some how without voiding the warranty?
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  #15  
Old 09-30-2012, 03:33 PM
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puppypaws puppypaws is online now
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Wonder if you could turn up the 28 cat some how without voiding the warranty?
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Absolutely not, the warranty would be void...no one except Cat technicians are allowed to touch these engines.
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  #16  
Old 09-30-2012, 05:49 PM
mach14604 mach14604 is offline
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Originally Posted by pblc View Post
Why are you wanting to get away from the 31 Kohler?
The 31 Kohler is absolute piece of junk. good on fuel but uses coolant likes its going out of style. I was on engine number three and still wasn't totally right. Thing spent more time in the shop then mowed grass.
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  #17  
Old 09-30-2012, 05:50 PM
mach14604 mach14604 is offline
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Originally Posted by chesterg View Post
How much did the diesel run you? , I'm going to purchase a new 1 in Jan and I'm between the 35 briggs or the cat,
I spent just over 15600 out the door with bid assist.
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  #18  
Old 09-30-2012, 05:59 PM
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LibertyFarmLandscaping LibertyFarmLandscaping is offline
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My last 35 hp Vanguard I bought in June was $9400 +tt&l. The 28 cat would have been $14950.
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  #19  
Old 09-30-2012, 08:24 PM
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Originally Posted by LibertyFarmLandscaping View Post
My last 35 hp Vanguard I bought in June was $9400 +tt&l. The 28 cat would have been $14950.
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You got a very good deal on what is considered an excellent mower and engine. It takes a lot of work to make up $5550, and I personally would not want a liquid cooled engine on a mower.

You will never replace a radiator, or even cleaned one, never have a water leak, or water pump failure, never have to check coolant levels, worry about watching a temperature gauge, as many hired laborers never look at anyway. You will never wonder how a head gasket failed, or a head cracked if the engine does not have the alarm system working, and someone failed to see it was running hot...these are things you want deal with on air cooled engine.

The reason I'm saying this is because I was brought a new mower with a 28 hp Cat diesel to see what I thought. The first thing I noticed was the extreme vibration from the 3 cylinder engine. I mentioned this to the dealer and he said the manufacturer was sending a newly designed bracket to each owner that bought this particular diesel; for the fact they were having problems with the exhaust system separating from the engine because of excessive vibration from the 3 cylinder Cat.

I ran this mower for maybe 30 minutes or so (remember this was a new mower, never operated, meaning perfectly clean), and all of a sudden the engine rpms dropped to idle. I was totally shocked, and believed something happen to the fuel delivery, that was until I looked at the control panel and saw a warning light. I got off the mower and glanced behind the seat at the radiator, there was a pre-screen to keep trash from getting to the radiator flues (which is a necessity), and the pre-screen was totally covered. I was cutting medium size grass in dry summertime conditions, and it appeared all the dry grass particles I had stirred up when mowing had sucked directly into this pre-screen.

I had to leave the mower and walk about 200 yds. to get a hand-held blower, I came back, switched the mower off and blew the trash off the screen and out of the radiator area. I then blew the entire mower and engine completely clean.

I immediately thought to myself, why would anyone want to deal with this hassle when you can run an air cooled engine and not be bothered with this type aggravation.
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  #20  
Old 09-30-2012, 08:50 PM
mach14604 mach14604 is offline
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Quote:
Originally Posted by puppypaws View Post
You got a very good deal on what is considered an excellent mower and engine. It takes a lot of work to make up $5550, and I personally would not want a liquid cooled engine on a mower.

You will never replace a radiator, or even cleaned one, never have a water leak, or water pump failure, never have to check coolant levels, worry about watching a temperature gauge, as many hired laborers never look at anyway. You will never wonder how a head gasket failed, or a head cracked if the engine does not have the alarm system working, and someone failed to see it was running hot...these are things you want deal with on air cooled engine.

The reason I'm saying this is because I was brought a new mower with a 28 hp Cat diesel to see what I thought. The first thing I noticed was the extreme vibration from the 3 cylinder engine. I mentioned this to the dealer and he said the manufacturer was sending a newly designed bracket to each owner that bought this particular diesel; for the fact they were having problems with the exhaust system separating from the engine because of excessive vibration from the 3 cylinder Cat.

I ran this mower for maybe 30 minutes or so (remember this was a new mower, never operated, meaning perfectly clean), and all of a sudden the engine rpms dropped to idle. I was totally shocked, and believed something happen to the fuel delivery, that was until I looked at the control panel and saw a warning light. I got off the mower and glanced behind the seat at the radiator, there was a pre-screen to keep trash from getting to the radiator flues (which is a necessity), and the pre-screen was totally covered. I was cutting medium size grass in dry summertime conditions, and it appeared all the dry grass particles I had stirred up when mowing had sucked directly into this pre-screen.

I had to leave the mower and walk about 200 yds. to get a hand-held blower, I came back, switched the mower off and blew the trash off the screen and out of the radiator area. I then blew the entire mower and engine completely clean.

I immediately thought to myself, why would anyone want to deal with this hassle when you can run an air cooled engine and not be bothered with this type aggravation.
What are you mowing to get that much debris in the screen? Normal mowing conditions you should not be having that kind of problem. This is my third liquid cooled machine and have never had that kind of problem. My dads JD2305 yes we have had to do that.
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