4320 vs 3720????

[TCowner]

Radman1, I am waiting for my third function hydraulic kit that installs on loader to arrive for my cab 4720. I believe you have the same on your 3720.

Any chance you could take a picture or two of the way the lines are mounted on the loader arms and where the hydraulic hoses are routed from the rear couplers under the cab.

It would be much appreciated and only if its not too much trouble. THanks,

Terry,

 

[beefeater]

With a 1000ft drive, you might want a front attached snowblower and broom. The 3x20 series is set up for this. For some reason the 4x20 series is not.

It would appear, getting a snowblower on the front of a 4 series can be done, but is an expensive/complicated process when compared to the 3 series.

 

[15acre&mule]

well i'm in louisiana and snow really ain't a concern for me. if they make an attachment to kill the mosquitos....i'd be very interested.

 

[chetlenox]

I have the 3720 so I'm more partial to it. Aside from the fact that the 4000 series was a bit bigger than I needed, I stayed away from it for a couple of key reasons. 1) The Powertech engine is made in Mexico.

KennedyDiesel,

I'm pretty sure the engine in my 4520 was built in the US. The manufacturing tag on the side says Moline. The tractor itself is assembled in Georgia, of course. I wanted to make sure, so I pulled the following quote from the Tractorbynet review:

"The 4000 Twenty series use a turbocharged version of John Deere's PowerTech 4-cylinder diesel engine, which is new to John Deere compact utility tractors, and manufactured in the United States. By comparison, the 4000 Ten series use normally-aspirated Yanmar engines manufactured in Japan." - From http://www.tractorbynet.com/articles/4000twenty.htm

I did however find the following quote in a news article talking about the newest line of Powertech engines (dated 2003):

"The new engines will be manufactured at Motores John Deere, the recently expanded facility in Torreon, Mexico. Motores John Deere began commercial production in 1999 of Deere's 2.9, 4.5 and 6.8 L diesels, heretofore the smallest engines in the PowerTech line. Now Torreon has added 250,000 sq.ft., for engine block and cylinder head machining and assembly operations for the new engines, said Jim Olson, operations and project manager for the new engines. The Torreon plant is now 740,000 sq.ft." - Deere enters small diesel business: Home grown 2.4 and

I'm sure somebody that knows more than me could confirm...

Chet.

 

[sunnyside360]

I have both the JD 3720 Cab tractor and the JD 4320 open station tractor. Both have their places. I have a 5' rotary cutter for the 3720 and a 6' rotary cutter for the 4320. The 3720 will handle the larger 6' deck power wise but needs ballast weight on the front. I bought both tractors new and have had zero problems with either. For your application, I think I'd go with the 4320 although the 3720 would work as well but would just take longer.

 

[beefeater]

It would appear that you can set the rear R4's much wider on the 4x20 series than the 3x20 since the 4 series come with 8 position wheels- 75 inches. The 3 series have 2 position wheels for the R4. More stable on the slopes.

 

[jcmseven]

I have owned a 4520 and a 3720. Price notwithstanding, if one has the space to run a 4000 series machine and does not have to trailer the tractor a great deal, then I would go with the 4000 series machine. As a previous poster who has both mentioned, each has its place. For my usage, the larger size of the 4000 series machine actually hindered its effectiveness for me. That said, it was a sad day went it went away. I have now though had two 3720's, and both have given me solid service. They are quiet, powerful machines.

John M

 

[wolc123]

The 3720 will cause you to spend significantly more time getting your work done since it is around 50% less in most hydraulic specs. If you really enjoy your time on the tractor then get the 3000 series. Personally I have little time to spare and must finish my work as efficiently as possible so I never even considered a 3000 series. My 4120 has not given me any trouble in the almost (3) years I have had it. If you want to save some cash, the 4120 costs about the same as the 3720 and gives you the same hydraulic capacities as the 4720. Even though similar in hp, the 4120's heavier weight makes it far more capable on most ground engaging impliments than the 3720. Unless you need to put the machine on a trailer often, then I would think the 4000 series is the obvious choice. You didn't mention trans, I have gear, but if I had hydro (less efficient) I would also have got the 4320 to put about the same power to the ground as a 4120 gear.

 

[15acre&mule]

So nobody has anything bad to say about the reliability of the powertech engines? My dealer made it sound like everyone was having problems...it may be just them. I'll have to ask some more JD dealer's around to see what they say. I'm still undecided. I guess the biggest issue is the finish mowing around the house. I only have 15 acres and probably about 2 of that will be finish mow, the rest will be rough cut.

 

[ddivinia]

So nobody has anything bad to say about the reliability of the powertech engines? My dealer made it sound like everyone was having problems...it may be just them. I'll have to ask some more JD dealer's around to see what they say. I'm still undecided. I guess the biggest issue is the finish mowing around the house. I only have 15 acres and probably about 2 of that will be finish mow, the rest will be rough cut.

Engines seem fine.

I was in your situation when we bought 20 acres and tried to get by with a 2210 (older version of 2305). It didn't work out. A good lawn mower, but cutting the pastures was a joke. Heck, it was easier to mow the pastures with the 62" deck than the 4' LX4. I ended up getting a 4720 for the larger work and kept my 2210 for yard work. THen I figured - dump the 2210 and get a John Deere 757 Z-track.

Depending on the terrain and larger jobs around your 15 acres, I would consider 2 machines. The mid mount PTO and mower option on the tractors is not cheap. Also, you will want to pull it off when you are doing other work so you don't tear it up.

Maybe a 3720 or 4120 with a FEL, boxblade (about the same price as a ballast box anyway), and a PTO power rough cut mower (MX-6 is solid) for the big work.

Get a Zero Turning Radius mower for the yard work. They are purpose made for yard work and in my case - it cut down my mowing time by 1/3 or so.

There is my .02 cents and it costs you nothing.

D.