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IMPORTANT:
Do not overload tires. If maximum weight shown in chart is not enough for safety, reduce load or install tires with more load capacity.
NOTE:
For tractors with dual or triple tires, maximum ballast is not normally limited by tire carrying capacity.
Use appropriate ballast for a particular operating condition. Tractors should have only enough ballast to maintain safe steering control.
Adjust ballast as tractor use changes.
For example, adjust ballast when changing from mounted to towed implements.
IMPORTANT:
To extend drive train life and avoid excessive soil compaction and rolling resistance, avoid adding too
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much ballast. Never add ballast that results in continuous full-power loads below 6.6 km/h (4.1 mph).
Remove ballast if tractor engine labors when pulling heavy loads below 6.6 km/h (4.1 mph).
| MAXIMUM LOAD PER WHEEL |
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| Tire Size |
Load Rating |
40 km/h (25 mph) |
| |
|
|
| 20.8R38 |
147A8* |
3075 kg (6800 lb) |
| 20.8R38 |
153A8* |
3650 kg (8050 lb) |
| 710/70R38 |
166A8** |
5300 kg (11700 lb) |
| 710/70R42 |
168A8 |
5590 kg (12320 lb) |
| 750/65-38 |
8 Ply |
4130 kg (9100 lb) |
| 850/60-38 |
8 Ply |
4460 kg (9830 lb) |
| 18.4R42 |
148A8** |
3150 kg (6950 lb) |
| 20.8-42 |
10 Ply |
3350 kg (7400 lb) |
| 20.8R42 |
155A8** |
3875 kg (8550 lb) |
| 620/70R42 |
160A8** |
4500 kg (9910 lb) |
| 18.4R46 |
155A8*** |
3875 kg (8550 lb) |
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