These lighten the front end and may require more front weight. The exceptions could be heavy implements on the three-point hitch or implements that place large loads on the drawbar such as rippers. Once MFWD tractors are set up with the proper weights and distributions, they can basically use any type of implement without having to change weight distributions. When adding or removing ballast, the proper weight distributions should be maintained for the tractor type. Fluid is more economical than cast weights, but fluid is harder to change. Cast weights are the most convenient and can be changed according to ballasting needs. Cast weights on MFWD’s and 4 WD’s are easier to work with if power hop becomes an issue. Implement dealers have calculators to best determine weights and weight splits based on the type of equipment being used and recommended by the manufacturer.Ĭast weights and liquid can be used to ballast tractors.
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As in the case of the MFWD, power hop can be controlled by moving some weight from front to rear based on the equipment used. This could change some due to the type of implements used. 120 pounds is a common weight used per engine horsepower. A general recommendation is a 60-40% split, with 60% of the weight in the front. Some manufacturers recommend a 35-65% weight split as it makes it easier to control power hop.Ī 4 Wheel Drive tractor should weigh 85-125 pounds per engine horsepower. The weight split should be 35-40% of the weight in the front, and 60-65% of the weight to the rear. 130 pounds is a common weight used per PTO horsepower.
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A Mechanical Front Wheel Drive (MFWD) tractor should weigh 120-145 pounds per PTO horsepower. There are general guidelines for ballasting a tractor based on the type of equipment being used. Adding ballast to a tractor is an effective way to get the power of the tractor to the ground. Managing the ballast and tire inflation pressures can maximize traction, minimize compaction, increase the life of the tractor drivetrain, and increase productivity.
![axle weight distribution calculator axle weight distribution calculator](https://truckscience.com/wp-content/uploads/AAD.png)
Adding weight where required will improve traction and reduce slippage. Tractors and combines often have to add weight to accommodate horsepower imbalances. There are several important reasons for using ballast on tractors. Dave Paulk: Manager Field Technical Services
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It’s a free NTEA member benefit - not available for public purchase. Interactive instructions make it user-friendly for those in your company responsible for weight distribution and center of gravity calculations. The TruckScience Axle Weight Calculator offers enhanced features for advanced applications, includingĪlso available, NTEA’s Vehicle Center of Gravity & Axle Weight Calculator is a web-based, interactive tool providing vehicle specification and weight information. It was recently awarded the Best Technology Award 2019.
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Since 1985, TruckScience has been developing solutions for the commercial vehicle industry its software is used by body builders, upfitters, truck dealers and fleet companies in 30 countries. Access at /ntea (m embers $399/nonmember $449).
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NTEA partnered with TruckScience to offer their cloud-based Axle Weight Calculator app to members at a discounted annual subscription rate.