JOHN DEERE 644G Wheel WHEEL LOADER

5/16" Single Shaft 2 Wire, Pressurizer Motor
Serial Number 547398 and Below

Also Used as a Pressurizer/Defroster Motor on Models with Serial Number 547399 and Above

Motor Only

Serial Number 547399 and Above

Serial Number 557739 and Above

Serial Number 557739 and Above

For Complete Assembly Order Part Number 600-3020, Serial Number 557739 and Above

Use With 503-117 Compressor

Used to Mount Original 6E171 Denso Compressor, Requires 2 Per Application

Serial Number 542068 and Below

Can Use Denso Compressor w/o Manifold - 503-116
Can Use HD Denso Compressor w/o Manifold - 503-1163

Serial Number 542088 and Below

Can use Original Manifold or Purchase Manifold Kit - 451-1173K

Can use Denso Replacement - 503-116
Can use Sanden Style with Manifolds - 503-1172

Can use Denso Compressor without Manifold Kit - 503-116
Can use Sanden Style without Manifold Kit - 503-117

Must Identify Clutch Dust Cover
Dust Cover to Center of Belt Groove - .930"

Serial Number 542069 to 557738
Must Identify Clutch Dust Cover Dust Cover to Center of Belt Groove - .930"

Without Manifold

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

Serial Number 557739 and Above

Without Manifold

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

Serial Number 557739 and Above

With Manifold

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