Kubota L3700SU

The Kubota L3700SU special utility tractor is a little different to the rest of the L series from Kubota such as the Kubota L3400 or the Kubota L3540 tractors. The main reason for this is the fact that it comes packaged with a Kubota LA463 front end loader. This front end loader has a maximum dumping angle of 40 degrees. It has a maximum safe lifting capacity of 518 kg (1142 lbs). The total pump capacity of the hydraulics system on the L 3700 SU is 40.2 liters per minute (10.6 US gallons/min). This hydraulics systems gives the category 1, 3 point hitch at the rear of the tractor a maximum safe lifting capacity of 906 kg (1998 lbs).

The engine that powers the hydraulics system on the Kubota L3700SU tractor is a 3 cylinder diesel with a displacement of 1.826 liters. The 4 stroke engine is kept cool with a liquid cooling system and is vertically aligned. The engine is keystarted by a 12 volt battery that supplies the engine with 490 cold cranking amps. The engine is supplied with diesel from a fuel tank that can hold up to 34 liters (9 US gallons). The engine powers the wheels by transferring power through a HST hydrostatic transmission that gives the L3700 SU infinite speeds over 3 ranges (Hi, Medium and Lo). This gearbox gives this special utility a max speed of 22.7 kph (14.1 mph) going forwards, while in reverse it has a top speed of 20.5 kph (12.7 mph). It’s almost as quick in reverse as it is going forward.

The Kubota L3700SU special utility tractor comes with a foldable roll bar (ROPS). The total weight of the machine comes to 1165 kg (2568 lbs). There are a number of different ballasting options for the L 3700SU tractor including weights that can be attached to the front bumper and weights that can be attached to the rear wheels. A 74 inch dual stage snow blower can be attached to 3 point hitch at the rear of the tractor.

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2 Reviews of the “Kubota L3700SU”

  1. greg hurt says:

    Very poor, would not recommend it to my worst enemy. Poor dealer support. Customer service non-existent.

    Year of Manufacture: 1915
    Pros: Not too many
    Cons: New air quality system is bad news. Engine revs at very high rpm
    with no load on engine.
    Attachments: Loader backhoe

  2. Scot Hector says:

    I have tried to wreck this tractor for 3 years and it wont die. I use it for clearing forest, draging trees and lots of mowing. Mowing on high gear in the heat of the summer really heats this tractor up, me overloading it. That is high gear for speed, with PTO going full blast on a summer 100 deg day. If I mow on medium speed it stays cool.

    Year of Manufacture: 0
    Pros: I have the L3700SU and it has worked great for the last 3 years. I work it real hard and it takes a beatting. Now that my farm is developing, my only regret is that I did not get a bigger Kabota tractor.
    I currently use a 5tf wide bush hog to mow 13 acres of grass that thake 7 hours. I am looking for a finish mower that is 10-8 ft wide for my L3700SU. I hope I can find one that this tractor can push with its 38 HP.
    Cons: Wish I got a bigger kabota
    Attachments: bucket, 5ft bush hog, 8 in auger.
    need a 5 ft box blade, 5 ft rototiller
    Modifications: Added a tow bar and made a stabelizer for it to pull ball hitches. I plan to make a clip on ball hitch for the top of the bucket so I can grab a trailer and move it real fast.

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