John Deere Wheel Loader 644L

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The John Deere Wheel Loader 644L is a robust and versatile piece of industrial equipment designed for heavy-duty applications. Known for its powerful performance and advanced hydraulic systems, this model excels in material handling and construction tasks, ensuring efficiency and reliability on the job site.

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PDF MANUAL

Manual for John Deere Wheel Loader 644L

MAINTENANCE RESOURCES

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Documents & Manuals

Find all the essential guides in one place.

Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more

Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

John Deere Wheel Loader 644L

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Maintenance Plans for John Deere Wheel Loader Model 644L

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1000 Hourly Wheel Loader Maintenance

Air cleaner dust unloader valve replaced

Engine air cleaner elements replaced

Fuel tank breather filter replaced

Coolant condition checked

Axle oil filters replaced

Frame hinge pivots lubricated

Park brake oil drained and refilled

Driveline damper checked for cracks (Every 5000 Hours)

Sign off on the wheel loader maintenance

Run this procedure

100 Hourly Wheel Loader Maintenance

Lubricate loader linkage and cylinder pivots

Lubricate coupler lock pins (if equipped)

Every 250 Hours

Take engine oil sample

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10 Hourly / 1 Daily Wheel Loader Maintenance

Clean air cleaner dust unloader valve

Check coolant level at surge tank

Check engine oil level

Check hydraulic system oil level

Check transmission oil level

Inspect outer pin seals

Sign off on the wheel loader maintenance

Run this procedure

2000 Hourly Wheel Loader Maintenance

Drain and refill transmission oil

Replace transmission oil filter

Drain and refill front axle oil

Drain and refill rear axle oil

Replace open crankcase vent (OCV) filter

Check and adjust engine valve lash

Replace outer pin seals

Rerun transmission clutch calibration (cab monitor)

Every 6000 Hours

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4000 Hourly Wheel Loader Maintenance

Replace diesel exhaust fluid (DEF) tank breather filter

Replace diesel exhaust fluid (DEF) dosing unit filter

Replace hydraulic system return filter

Drain, flush, and refill hydraulic system oil

Clean hydraulic system fill strainer

Sign off on the maintenance completion

Run this procedure

Parts for John Deere Wheel Loader 644L

Access the parts list for your equipment in MaintainX.

Part Name

Part Number

Axle Oil Filters

AH128449

Cab Fresh Air Filter

AT191102

Cab Recirculating Filter

AT307501

Diesel Exhaust Fluid (Def) Dosing Unit Filter

DZ114640

Diesel Exhaust Fluid (Def) In-Line Filter

DZ124403

Axle Oil Filters

AH128449

Cab Fresh Air Filter

AT191102

Cab Recirculating Filter

AT307501

Diesel Exhaust Fluid (Def) Dosing Unit Filter

DZ114640

Diesel Exhaust Fluid (Def) In-Line Filter

DZ124403

Axle Oil Filters

AH128449

Cab Fresh Air Filter

AT191102

Cab Recirculating Filter

AT307501

Diesel Exhaust Fluid (Def) Dosing Unit Filter

DZ114640

Diesel Exhaust Fluid (Def) In-Line Filter

DZ124403

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John Deere Wheel Loader 644L

Manual for John Deere Wheel Loader 644L

Complete asset maintenance, one click away

Documents & Manuals

Work Order Templates

Procedures

Parts

Maintenance Plans for John Deere Wheel Loader Model 644L

Parts for John Deere Wheel Loader 644L

Unlock efficiency with MaintainX CoPilot

More from John Deere

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