Kubota RTV 900 with Curtis Cab: All Terrain Vehicles  -- Utility ATV Discussion Forum and Review Kubota RTV 900 with Curtis Cab: All Terrain Vehicles -- Utility ATV Discussion Forum

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 01-13-2009, 08:04 Post: 159385
1mountainman

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 Kubota RTV 900 with Curtis Cab

Hi I recently purchased a 2006 RTV 900 with a Curtis hard shell cab, the issue is heat in general, the factory temp guage never moves ( yes it works)// engines seems never to warm up, the thermostat is factory and does work as well it opens at 180 as I tested it. We live in Pocono Mountains and having heat from the add-on blower would be a plus. I also have cardboard sleeve totally blocking off the radiator,that doesn't help.It has an electric fan- obviosly it never kicks on.The only time I ever saw the temp guage move and heat come out was driving in about 12" heavy wet snow where the machine had to really work to get across the fields, needle went up to the 1 o'clock position, just boardering the hot side- but thats only under extreme load running for awhile.:::--Any thoughts?






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 01-13-2009, 10:34 Post: 159388
DRankin



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 Kubota RTV 900 with Curtis Cab

I had an RTV a while back. Near as I can figure it burned about 3/4 of gallon of fuel an hour.

That's great economy but the down side is that is not a whole lot of BTU's spread out over time. Not much left over for the cab heater.

It is not a new problem. The original VW's ran fine in California but they had to add a supplemental gas fired heater for colder climates.






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 01-13-2009, 15:49 Post: 159413
kthompson



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 Kubota RTV 900 with Curtis Cab

DR, that is a great point about the amount of fuel use and for power and heat. Wonder what BTU's would even been needed to heat the cab in the temp it is running in. Probably a gas heater would be right costly and have seen electric for 12 volt system but doubt the electrical system could handle the load or at least would need to be verified.






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 01-13-2009, 16:54 Post: 159417
1mountainman

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 Kubota RTV 900 with Curtis Cab

I like your thinking,,, I bought my RTV used, but it only had 117 hours on it, now about 200 as I use it everyday! The former owner installed a 1000w inverter , unfortunately it can't handle even the smallest 12v space heater. I really don't feel like spending several hundred dollars for a powerful inverter, I have a "big Buddy" small propane heater on the floor, but space is an issue.Bottom line is I just perfer to use the engine heat, unfortunately their is none!






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 01-13-2009, 17:02 Post: 159418
Murf

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 Kubota RTV 900 with Curtis Cab

I don't know jack about an RTV other than seeing them on the lot, is there a way to capture some of the heat off the HST cooling system / radiator and duct it to the inside of the cabin?

We did that with a full sized farm tractor and it made the cab so hot we had to run it with the windows open!.

Best of luck.






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 01-13-2009, 17:10 Post: 159422
1mountainman

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 Kubota RTV 900 with Curtis Cab

Good Idea, not really an option here though. The RTV actual runs the coolant back through the filter base of the HST to help cool in summer / warm in winter, that leads me to believe the HST is no warmer than the coolant.






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 01-13-2009, 18:51 Post: 159425
earthwrks

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 Kubota RTV 900 with Curtis Cab

Is there room in the rear for a small generator? I picked up a 1200W one from the local auto supply. It's the size of milk crate. 2-stroke, quiet and only $99--it'll run full-out all day on a gallon. I use to run a 4" grinder while running (5) 4-bulb fluorescent fixtures AND a 24" fan over the wood stove.

Using the genny, a home-style radiant or ceramic heater would work. I used a single ceramic heater (from Walmart $20) to heat a 30' camper trailer in 32 degree temps.






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 01-16-2009, 07:32 Post: 159503
kthompson



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 Kubota RTV 900 with Curtis Cab

1mountainman who is cold in cab..as I was walking across parking lot here this morning with coldest we have been in 2 or 3 years I thought of your cab and said...he needs to insulate it better as I wondered where my gloves were.

The problem is you are lossing more heat than your heater of producing. So either must increase heat production or reduce loss. OR BOTH maybe.






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 01-16-2009, 08:19 Post: 159504
1mountainman

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 Kubota RTV 900 with Curtis Cab

Hi I am having a hard time understanding what you are trying to bring across, I am not losing any heat, the engine doesn't build any, not even enough to open the thermostat.






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 01-16-2009, 09:11 Post: 159506
candoarms



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 Kubota RTV 900 with Curtis Cab

1mountainman,

Your thermostat, if faulty, is probably stuck in the open position. The engine wouldn't last long if it was stuck in the closed position. A new thermostat may solve the problem.

Next...please make sure your radiator cap is functioning properly. A faulty radiator cap will prevent the engine from heating properly.

Make darn sure you don't have a restriction blocking coolant flow to the cab heater core. Check for a valve in the heater hoses, or possibly a sever kink in a hose. Also make sure your heater core isn't plugged up.

Blocking off the great majority of air flow through the radiator is generally the next thing we do. If you still have cab heating problems after doing these things, more drastic steps will have to be taken.

Joel






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Discussion Boards > Active Subjects > Messages as Posted > All Terrain Vehicles Forum

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