Load Capacity of Tires, Rear Axle Load

Comply with maximum rear axle load (see ”Loads and Weights”).

Depending on the make of tire, permissible rear axle loads may be limited to figures below those quoted here. Permissible loads are indicated by the weight-and-speed index. For details, ask your John Deere dealer or the tire manufacturer's agent.

On leaving the factory, tractors may be equipped with the following tires:

Tires	Index radius (IR)	Speed/radius index (SRI)
14.9-30..............	665 mm (26.2 in.)	675 mm (26.6 in.)
16.9-30..............	695 mm (27.4 in.)	700 mm (27.6 in.)
16.9-34..............	745 mm (29.3 in.)	750 mm (29.5 in.)
12.4-36..............	690 mm (27.2 in.)	700 mm (27.6 in.)
13.6-38..............	740 mm (29.1 in.)	750 mm (29.5 in.)
380/85-30..............	665 mm (26.2 in.)	675 mm (26.6 in.)
420/85-30..............	695 mm (27.4 in.)	700 mm (27.6 in.)
480/70-30..............	695 mm (27.4 in.)	700 mm (27.6 in.)
540/65-30..............	695 mm (27.4 in.)	700 mm (27.6 in.)
420/85-34..............	745 mm (29.3 in.)	750 mm (29.5 in.)
480/70-34..............	745 mm (29.3 in.)	750 mm (29.5 in.)
540/65-34..............	745 mm (29.3 in.)	750 mm (29.5 in.)
320/85-36..............	690 mm (27.2 in.)	700 mm (27.6 in.)
340/85-38..............	740 mm (29.1 in.)	750 mm (29.5 in.)