DEERE 644D PARTS

John-Deere 644D Transmission Parts, Torque Converter Parts, Axle Parts, Differential Parts, Planetary Parts

Transmission Parts

Transmission Assy. # AT85234 Allison Model # TT3421-1 BM # 23040474

Torque Converter section

Turbine first # AT64326

Turbine Second # AT64327

Stator # T39998

Pump # AT38766   sub for # AT64328

Input Accessory Drive Gear 42 teeth # T54307

Torque Converter Housing section

Pump Drive Gear # T30921   42 teeth

Second Turbine Drive Gear # T75240   46 teeth

Converter Ground Sleeve # T67509

First Turbine Drive Gear # T67512   24 teeth

Converter Housing # AT38762

Transmission Drive & Damper section

Cover # T45809

Drive Shaft # T27399

Drive Plate # T45807

Drive Hub # AT71598

Front Cover section

Cover # T67551

Low Range Clutch section

Ring Gear # T67533   83 teeth

Planetary Pinion Carrier # T67534   # AT66265

Ring Gear # T69197   80 teeth

Clutch Plate # T78796

Clutch Piston # AT65053

Piston Housing # T67541

High Range Clutch section

Transfer Drive Gear # AT78240   57 teeth

Clutch Plate disc inner # T67544

Clutch Plate disc outer # T38974

Clutch Hub # T67545

Piston # T71602

Piston Housing # AT64348

Reverse Clutch section

Piston # AT64337

Clutch Plate outer disc # T78796

Clutch Plate inner disc # T67526

Sun Gear 25 teeth & 28 teeth # T69198

Clutch # AT65052

Planetary Pinion Carrier # AT64339

Turbine Driven Gears and Freewheel Unit section

Second Turbine Driven Gear # T67513   steering gear 38 teeth

Cam # AT68265

First Turbine Driven Gear # AT64330   60 teeth

Hydraulic Pump Assy.   charging # AT72878

Transmission Overhaul Kit # AT68630

Axle, Differential & Planetary Parts

Axle Assy. #

Axle Housing # AR103757   marked # R76533

Differential Assy. #   front

Gear Set ¨Crown & Pinion¨ # RE18896  

(SUB RE16527, RE50114 AND (6) R56877) (GEAR MARKED R64069 AND SHAFT MARKED R56288 OR R80048)

Side Gear # R59290

Side Gear # R59289

Pinion Spider Gear # R68170

Spider # R70111

Flange Yoke #

Differential Assy. #   rear 

Gear Set ¨Crown & Pinion¨ # RE18895

(SHAFT MARKED R56289 AND GEAR MARKED R63841)

Side Gear # R59289

Pinion Spider Gear # R68170

Spider # R70111

Flange Yoke # R56304   # R107600   sub # RE45317

Planetary Carrier Assy. #

Carrier # R82920

Pinion Gear # R56286

Pinion Shaft # R92826   sub for # R63115

Sun Gear Shaft # R73013

Sun Gear # R56300

Ring Gear # R76535 51 teeth 1.75¨ thick cast # R56291

Axle Shaft # R74992   spindle