- The Berta Flail mower (available in 26", 30", and 34") is one of the high-quality flail mower brands we sell.
- Fits Blitz, BCS and Grillo 2-wheel tractors
- We sell 3 Brands of flail mowers. We have run, serviced and sold all 3 brands at a high level for years. (Call or email us with your specific mowing application and our experts will advise on which brand/model is best for your application)
These heavy-duty mowers feature a horizontally-mounted drum with numerous sets of hinged blades mounted to it. The blades "flail" out by centrifugal force (at a drum speed of about 3,000 rpm) to pulverize material. Flail mowers are excellent for reducing mowed material to a very small size for quick incorporation/breakdown into the soil; very popular for cover crops for this reason. A six-foot tall cover crop can be reduced to 2" -- 4" pieces in a single pass and left evenly distributed across the width of the mower. Because of the time and horsepower required to "grind up" the material that is being mowed, the taller and denser the material is, the slower this type of mower typically has to travel (unlike a Cutter [sickle] Bar Mower, which only cuts material off at the bottom and therefore doesn't care how tall it is, or a Brush Mower, which will give a decent cut at higher speeds but just not grind the material up much).
However, with the introduction of the Berta (same company that builds the Rotary Plow) brand flail mowers in 2010, this has changed. The Berta has a removable baffle that can be removed to allow faster cutting or left in to theoretically cut material finer. Although this sounds great in theory, it is rarely used by most of our Berta flail mower owners as its unnecessary AND it causes the mower to go slower in taller thicker crops. Yes, with the baffle in it cuts slighter finer, but to the point that its insignificant for many users. A nice feature of the mower is the "float/pivot" at the PTO connection point that allows it to ride smoother in extreme conditions. This is similar to the Bittante pivoting feature however, the Bittante pivoting action feels much smoother "in action" then the Berta. The Berta does have the quickest and easiest access to check the oil in the gearbox of all brands of mowers. In general, the Berta is a finely crafted and very durable mower. But the main downside of this mower is the time-consuming process necessary to adjust the cut height on the rear roller. In fact, one has to either go find a wrench or carry a wrench with them in order to adjust the cut height on the Berta. Compare that to the BCS which takes literally seconds to adjust cut height. Or the Bittante which takes less than 1 minute to adjust cut height AND requires no tools to adjust cut height (when adjusting with the front caster wheels or the side skids). In fairness to the Berta, if the end user sets the flail mower and mostly operates it at the same cut height, then the process needing to adjust the roller is unnecessary.
Bottom line, the Berta mower is not a good option if end user wants flexibility for fast cut height changes when mowing brush in the woods or pasture and then going to chop up a vegetable bed. The Berta flail does accept optional caster wheels if conditions dictate and when using them cut height adjustments are quicker. However, the wheels although durable and robust, are heavy and add weight to the front of the mower, we do not recommend them in many cases, but in rarer cases they can be helpful to help achieve additional taller cut height or quicker cut height adjustments. The front opening/"mouth" of the Berta mower is adjustable allowing for more or less volume to flow into the mower, depending upon end user needs...similar to the BCS and the Bittante. This adjustment requires loosening bolts on the sides of the mower.
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