John Deere 644K Loader Engine 6068HDW80, 6068HDW83 Parts Catalog (PC11253)

John Deere 644K Loader Engine 6068HDW80, 6068HDW83 Parts Catalog (PC11253 Aug-19)

This official parts catalog provides detailed component breakdowns and replacement information for the John Deere 644K Loader equipped with engines 6068HDW80 and 6068HDW83. It includes part numbers, diagrams, assembly references, and specifications for all critical systems including the axles, transmission, engine, hydraulics, electrical, operator’s station, and more. A vital resource for technicians and service personnel involved in maintenance, repair, and parts ordering.

Model Covers:

John Deere 644K Loader
Engine 6068HDW80
Engine 6068HDW83

PIN:1DW644K_ _ _C658065-

PIN:1DW644K_ _ _D658065-

Manufactured 2014 –

File Format: PDF

Size: 266.59 MB

No. of pages: 1472

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

Axles, Suspension & Final Drives

• Drive axle housing, differential, and final drives
• Axle mounting, temperature sensors, and filter systems
• Front and rear axles with differential lock and standard diff

Transmission

• Input drive shafts, covers, gears, shafts, and power shift clutches
• Transmission oil lines and housing components

Engines 6068HDW80 & 6068HDW83

• Detailed component diagrams and part numbers for both engines
• Engine auxiliary systems including intake, exhaust, cooling, and mounting

Steering & Braking Systems

• Emergency and service steering valves, hoses, and cylinders
• Service brake components, linkage, and parking brake controls

Electrical & Lighting Systems

• Batteries, alternators, regulators, and full wiring harness diagrams
• Lighting systems, switches, indicators, and instrumentation

Operator's Station

• Cab enclosure, ROPS/FOPS structures, seats, HVAC systems
• Windshield, wipers, platform, and control panels

Loader & Hydraulics

• Bucket, forks, coupler, lift arms, and linkage
• Hydraulic pumps, control valves, hoses, and cylinders

This John Deere 644K Loader Parts Catalog is a comprehensive reference for parts identification, replacement planning, and efficient service management.

Note: For 644K Loader configurations equipped with 6090HDW-series engines (including enhanced exhaust aftertreatment and revised electrical subassemblies), refer to the alternative catalog – [John Deere 644K Loader Parts Catalog – PC11254 (6090HDW)] – which includes specific assemblies and components not found in this engine family.