JOHN DEERE 643G FELLER BUNCHER

Motor Only

Without Manifold

Can use Compressor with Manifold - 503-141
Can use Alternative Compressor - 503-1403

Without Manifold

Can use OE Compressor without Manifold - 503-140
Can use OE Compressor with Manifold - 503-141

With Manifold

Can use OE Compressor without Manifold - 503-140
Can use Alternative Compressor without Manifold - 503-1403

Must Identify by OE Number

Fits Models with 6068 and 6068T Diesel Engines