Using Liquid Ballast

  Liquid Weight per Tire
Tire Size 40% Fill 75% Fill
     
710/70R38 462 kg (1017 lb) 924 kg (2033 lb
800/70R38 639 kg (1397 lb) 1270 kg (2794 lb)
850/60R38 477 kg (1050 lb) 954 kg (2100 lb)
20.8R42 340 kg (748 lb) 682 kg (1503 lb)
520/85R42 325 kg (715 lb) 655 kg (1444 lb)
620/70R42 390 kg (859 lb) 779 kg (1716 lb)
710/70R42 523 kg (1154 lb) 1047 kg (2308 lb)
18.4R46 301 kg (663 lb) 595 kg (1314 lb)
480/80R46 274 kg (603 lb) 548 kg (1207 lb)
520/85R46 351 kg (772 lb) 703 kg (1551 lb)
480/80R50 288 kg (634 lb) 575 kg (1267 lb)
900/50R42 532 kg (1170 lb) 1065 kg (2344 lb)

 

causym CAUTION: Avoid possible injury. Installing liquid ballast requires special equipment and training. See your John Deere Dealer or a tire service store.

IMPORTANT: Liquid ballast is not preferred. Liquid weight greatly increases tire stiffness at lower operating pressures, and greatly reduces ride performance.

Use calcium chloride to prevent water from freezing. A mixture of 3.5 lb of calcium chloride per gallon (0.42 kg per liter) will not freeze solid above -50°F (-45°C).

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IMPORTANT: A maximum liquid fill of 40 percent is recommended for better tractor performance.

NOTE: Use of alcohol as liquid ballast is not recommended.

In areas where freezing is not a problem and water is used as a ballast, multiply the weight shown in the table by 0.8.

Fill tube-type or tubeless tires up to valve level (40 percent full) with valve (A) in the 4 o'clock position. Radial and bias tires hold the same amount of liquid. When putting liquid in rear tires, make sure all tires on the axle have the same amount of liquid fill.


A-Valve

RW71542

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