Category: Hydrostatic tractor vs gear

Whether it be a To do so, a transmission is the modern miracle relied upon to transfer that power, modulate ground speed and deliver secondary output to the power take off PTO so an implement can run.

But not all transmissions are the same. Some are designed with cost constraints in mind, some are designed with ease of use as their primary criteria, and some are more efficient at getting the job done. A gear transmission is a highly-efficient method of transferring power. Using a clutch to engage and change speeds, a gear transmission can come in several forms.

Gear transmissions are popular not only in entry-level tractors due to cost constraints but also in high-horsepower farm tractors for the exact control over ground speed they offer, a requirement during operations such as seeding or applying fertilizer. A sliding gear transmission uses a shift fork to move the selected gear into position. Because the gear being used is turning at a different speed than the one to be shifted to, on-the-go shifts can result in a crunching of the gear sets.

Unless abused, a sliding gear transmission should last a very long time. In this type of transmission the collar is the moveable component. A collar shift transmission with its added components is more expensive to produce than its sliding gear sibling, but with less shock to internal components is typically more durable. A synchro shift transmission is a collar transmission with synchros added for smoother gear changes. In this case the synchro equalizes the gear rotation so gear changes are timed perfectly.

Synchros can cover certain gears only or be across the entire available gear set. A shuttle shift transmission is a variant that adds synchros between forward and reverse which can be particularly effective in loader work when driving into a pile, picking up a load and rapidly reversing are desirable. As to be expected, a synchro shift transmission is more expensive to produce than a collar shift transmission but less than a shuttle shift.

Lastly, power shift transmissions are similar to collar shift transmissions but instead of using collars, clutch packs lock the selected gear onto the rotating shaft. Front end loader work is effectively enhanced with this type of set up.

Hydrostatic transmissions have been around for a long time. Unfortunately, many salespeople and sometimes the literature they use will compare this type of transmission to that of an automatic transmission used in an automobile. But the only commonality shared by a hydrostatic transmission and an automobile automatic is that they both use oil to transmit power.

A hydrostatic transmission is more accurately described as a variable displacement pump driving a fixed displacement motor. What you do get with a hydrostatic transmission is infinitely variable control over ground speed with directional changes a simple hand or foot control motion away. With a hydrostatic transmission there is no clutch, only a neutral center position that is used to start the tractor and idle.

To increase ground speed, the pedal is further depressed. To stop, the pedal is allowed to return to the neutral position.

hydrostatic tractor vs gear

To reverse, the pedal can be a heel pedal in the case of treadle controls or a second side-by-side pedal is depressed. Reverse speed is also controlled by the amount of pedal travel exerted. This simple operation is favored by many for its ergonomic feel, learning ease, quick directional change and modulation over ground speed.

In larger tractors, where front end loaders are an option, productivity soars as one hand can be on the steering wheel, the other on the loader joystick control and the foot controlling the speed and direction.In this day and age, buyers have more options than ever before when shopping for a riding lawn mower transmission.

While it is true that there are technically several different varieties on the market, three categories are most common: manual, automatic, and hydrostatic. The exact type that you choose depends on the layout of your lawn, the frequency with which you mow, and your proficiency behind the wheel of the riding lawn mower.

Below, we discuss the characteristics associated with each variety, allowing you to make a well-reasoned decision for which transmission is best for you. Manual transmission is the most basic of the transmission categories. With a manual riding mower, you will need to conduct all of your gear shifting yourself. As a result, manual riding mowers are problematic for those who need to conduct substantial amounts of turning. If your lawn layout is filled with sharp turns if you have trees, for example or a steep gradient, you may find it necessary to look at an automatic or hydrostatic transmission.

Despite its limitations, there are many lawn owners for whom it makes great sense to go with a manual mower. Not only are they cheaper by a significant margin generally hundreds of dollarsbut they work just fine for anyone with a wide lawn layout that requires little gear shifting.

With automatic transmission, the driver is not tasked with shifting gears. This makes automatic riding mowers much easier for those with relatively little mowing experience. An advantage of automatic and hydrostatic mowers is that many of them come with optional cruise control, allowing the driving to travel in one speed for long stretches.

Because automatic riding mowers require no gear shifting, they are much easier for switching speeds, and the added convenience makes it so that automatic mowers generally save quite a bit of time compared to manual mowers. The most high-powered transmission is hydrostatic. With a hydrostatic mower, the driver does not need to use the pedal to shift, and there is also no belt.

Instead, fluids are responsible for shifting power from the engine to the wheels, making for an exceptionally smooth ride and lengthier transmission duration.

hydrostatic tractor vs gear

The added durability comes at a cost, though, as hydrostatic mowers are the most expensive. They are also less efficient and require more fuel and maintenance, so buyers will have to weigh the superior performance against the high cost required to purchase and maintain hydrostatic mowers.

While manual, automatic, and hydrostatic transmissions are most common, buyers should also look into electric mowers, which are more environmentally friendly and still offer strong performance. Whichever transmission variety you choose, pay close attention to the information discussed in this post, as the transmission you choose has a major impact on the mowing process.

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Gear driven vs. hydrostatic

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Choosing a Transmission: Hydrostatic vs. Manual

There is error while submitting your request. Please try again. When shopping for a tractoryou have many features and options to analyze. Among the most significant is whether to choose a hydrostatic transmission or a manual gear transmission.

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A tractor with such a transmission can be easier to drive and control. Given that, a hydrostatic transmission might seem like the easy winner, and indeed, it probably is the best choice for many hobby farmers. Hydrostatic transmissions offer versatility and ease of use.

Why would you ever want a gear transmission? But for certain tasks, and in certain circumstances, gear transmissions are a great choice. Hydrostatic Transmissions How They Work A hydrostatic transmission uses hydraulic fluid and a variable displacement pump to drive a hydraulic motor. Pros The primary benefit here is ease of use. Hydrostatic transmissions are controlled by pedals forward and reversewith a wide array of increments in the overall range of speed.

The ability to instantly shift from forward to reverse makes hydrostatic transmissions the preferred choice for performing work with front-end loaders, such as moving manure or compost. The ability to control the speed and direction of travel with your foot is another positive, freeing up your hands to focus on steering and operating the loader. Cons Hydrostatic transmissions are not as efficient as gear transmissions at translating engine horsepower into power take-off, or PTO, horsepower.

So if you use PTO-driven implements, double-check that the PTO horsepower of a tractor with hydrostatic transmission is strong enough to handle the tasks. These transmissions are also considered a little less suitable for handling sloping terrain. The complexity and quality of gearboxes varies widely.

In essence, though, a certain number of forward speeds plus reverse is available, and the operator is required to depress the clutch to change gears. Pros For high-level farming tasks that require maintaining a very specific speed tilling, seeding and so ongear transmissions are still a great option. With a gear transmission, you can choose a gear and lock the tractor to one speed. Gear transmissions are also considered superior for negotiating sloping terrain—going up and down hills—and they translate more engine horsepower into PTO horsepower.

Cons There are many types of gear transmissions. Some offer more versatility and ease of use than others. In most cases, you must depress the clutch to change gears or to change from moving forward to reverse and vice versa. This reduces efficiency for tasks that require constant changes in speed and direction, such as operating a front-end loader. For a typical hobby farmer pursuing a wide variety of small-scale tasks particularly those involving a front-end loader a hydrostatic transmission is clearly the best choice.

But if you farm on a bigger scale and plant large fields of crops, or if your farmland is particularly hilly and challenging to negotiate, then a gear transmission might be the best option. Keeler Johnson is a writer, farmer, blogger and videographer with a passion for pruning trees. He lives on a farm in northern Wisconsin, where he cares for more than apple trees and one foot pear tree that should have been pruned long ago.Media New media New comments Search media.

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hydrostatic tractor vs gear

All threads Latest threads New posts Trending threads. Search Search forums Search profile posts. Members Current visitors New profile posts. Gear driven vs. Thread starter filix Start date Mar 26, JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

Mar 23, 74 0 0 arundel. Is it true you loose some hp with a hydrostatic vs. If so How much? Say both tractors were 25 hp. Nov 19, 2, 1 36 Love, VA. I've had both. A HST loses some power through the drivetrain, but not enough to be of consequence. The advantages of an HST far outweighs this negligable amount.

These aren't sports cars. Both systems get the work done.Forums New posts Search forums. Media New media New comments Search media. Members Current visitors New profile posts Search profile posts. Log in Register. What's new Search Search.

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Remember Me? Page 1 of 4 1 2 3 4 Last Jump to page: Results 1 to 10 of Hydrostatic trasnsmission vs. One point that I have not seen mentioned is safety. With any gear drive tractor, if you get into a situation where the tractor is apt to flip over or roll over, you must rapidly find the clutch and disengage it before the rollover occurs.

The whole process may take less than a second, and you have to find the clutch while you are in the process of being tossed about on the seat, or maybe even tossed out if you are not wearing a seatbelt. With a hydrostatic drive, all you have to do is stop pushing down on the HST pedal, and it will stop almost instantly. If you lift or drag heavy loads on slopes or in woods, this can save your life.

Unless all you do is flat work with no heavy pulling loads, you should seriously consider an HST model. By the way, the lower theoretical efficiency of an HST drive is often made up for in mowing or similar applications by being able to speed up or slow down as the load changes, whereas with gear drive tractors, one tends to stay in a gear selected to let the tractor do the job in the toughest areas, and then not work as fast or as hard in the easy areas.

Reply With Quote. Re: Hydrostatic trasnsmission vs. Originally Posted by Hermio. Many forums have discussed the transmissions available: gear, shuttle or hydrostatic. It makes no difference whether it is HST or gear, if the operator doesn't know how to safely operate it, he is not safe. In an impending roll over, a real one-not a "I think I might be in trouble" type, the last thing you would be thinking of is pushing in the clutch OR taking your foot off the HST pedal.

When a real rollover occurs, it is so fast that you don't have any time to react to anything. Failure to engage the brain before getting on a piece of equipment is what causes Originally Posted by DK35vince.

To me, this is a bit of a stretch.

hydrostatic tractor vs gear

Livin in a. Worn out skin bag filled with rattlin bones. Originally Posted by s The tractor doesn't do stupid, the operator does. Give the same people that do strange things on a tractor a chainsaw and see what happens. Originally Posted by Egon. I've been pushing in clutch pedals for over sixty years. I know what the OP is talking about.Buying Advice.

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Search forums. Log in. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Gear vs hydrostatic driven reliability. Thread starter tylertown Start date May 6, Joined Aug 17, Threads 17 Messages I am trying to choose my next riding mower before the old one craters. I have a craftsman mower with gear drive that is about 15 years old and has survived a flood. It still cuts great but is beginning to fall apart.

I have absolutely no problem with shifting for myself. My question is whether the drive maintenance problems are likely to increase with a hydrostatic drive including the transmission and belts. Reliability is far more crucial to me than having an automatic transmission. Joined Nov 29, Threads 36 Messages 15, I don't think you can get a manual box on anything any more, they are just too expensive for Joe Public to pay for. Now days people seem to expect to get every thing for nothing.

Joined Apr 9, Threads 23 Messages 1, Maybe depends on the hydro make and model. An actual heavy duty not just called as such serviceable hydrostatic transmission will probably last about forever if maintained. Most of the disposable non-serviceable boxes that are found in most big-box store models are garbage in a couple years.

The geared boxes are probably not up to the ratings of what you have but still give good service for many years. Main problem I have with the geared trannys - too slow or too fast travel for my mowing. I'd suspect the overall mowers with the better hydro transaxles are generally better built too, and priced to suit. Joined Apr 16, Threads 2 Messages Grasshopper mower here. It is approaching hours.


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