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720d vs. 730d

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redwall

03-09-2003 06:28:25




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I am looking at buying a 720 d with a pony. Friends have warned me to wait and buy a 730d. What is the difference between the two models. Thank you in advance.




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ern

03-10-2003 17:52:21




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 Re: 720d vs. 730d in reply to redwall, 03-09-2003 06:28:25  
have an electric start 730d and pony start 720d. the loader for pushing snow is on the 720d for the simple reason of being able to start it in cold weather (under 20F or so). with good batteries the 730 will start down to about there. there are electric block heaters that can be used for them and of course the addon coolant heaters. I have a 730d electric start (still in restoring mode) that came out of minnesota with both of those attachments on it but i have always found the pony to be reliable and still use it. nothing wrong with a good pony motor start 720 or 730. just be sure to not leave the ignition on with the engine off. coils are expensive.

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John T

03-09-2003 07:20:45




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 Re: 720d vs. 730d in reply to redwall, 03-09-2003 06:28:25  
Mornin Red, My guess is the ones who warned you were concerned about the condition and maintenance of the 720 Gas Pony Motor Startign Engine versus maybe the later model 730 (replaced the 720) Diesels equipped with electric start??? They both have advantages and drawbacks. For superior startign in extreme cold temperatures, you cant beat the V4 gas Pony Starting Motor, their exhaust circulates and warms the diesel easing starting, plus they keep cranking where electric start models may exhaust the batteries. However, many are worn out and are very expensive to overhaul plus require some maintenance. If you find a 720 with a good running pony, thats a definite PLUS. An electric start doesnt have any expensive gas pony motor problems, (more in the 4 good batteries and electric starter maintanance) but may not start in extreme cold before exhausting the batteries where a good pony start would start the diesel.

It depends on the condition of the Pony Motor and how and when you plan to use the tractor.

Best Wishes, God Bless the USA Ol John T Nordhoff in Indiana

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JD

03-09-2003 06:50:53




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 Re: 720d vs. 730d in reply to redwall, 03-09-2003 06:28:25  

If you get a 720D after serial number 7223364 it will have the same engine as the 730D. Feb 1958 at serial number 7222600 electric starting was made available.



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