Also, check air passages through the radiator core for blockage with trash, bugs, and so on. Debris contributes to overheating, and may be difficult to remove. Frame and castings. Examine the transmission and final drive housings and other tractor frame components for evidence of cracks, welds, and so on. Welds in major casting or frame components indicate that the tractor has had some rough treatment.
Tires wear with use and eventually have to be replaced.
As tire wear increases, slippage also increases when the tractor is under load. Examine tires carefully for cuts, bruises, sidewall or radial cracks, and so on. Cuts or cracks that expose tire cords can cause rapid tire deterioration. Examine wheels, hubs, and rims for evidence of damage. Inspect wheel tread adjustment systems to be sure they are in working condition.