JLG 1644 Telehandler Parts

Keeping your JLG 1644 in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your telehandler stays in top shape with high-quality fuel filters, window latches, air filters, and more. The JLG 1644 is engineered for heavy lifting in rugged conditions, equipped with advanced features like Load Stability Indication (LSI), SmartLoad Technology, and all-wheel steer. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your JLG 1644 running smoothly. Keep reading for a comprehensive maintenance guide for your machine.

Every 10 Hours

• Check engine oil, coolant, hydraulic, DEF (if equipped), and fuel levels
• Inspect tires and lug nut torque
• Check air cleaner restriction and drain water separator
• Inspect for leaks, damage, or loose components

Every 50 Hours

• Lubricate boom wear pads and articulation points
• Check washer fluid and cab filters
• Inspect LSI system and reverse sensing system (if equipped)

Every 250 Hours

• Change engine oil and replace oil filter
• Replace fuel filter and drain fuel/water separator
• Inspect drive belts and boom wear pads
• Check axle oil, drop box, and dual pump drive oil

Every 500 Hours

• Replace hydraulic return filter
• Change wheel end and axle oil
• Check park brake, battery, and fan belt

Every 1000 Hours

• Flush coolant and check air intake system
• Change DEF pump filter and drain charge air cooler piping (if equipped)

Every 1500–2000 Hours

• Change hydraulic fluid and filters
• Replace DEF tank filter (if equipped)

Every 3000 Hours or 2 Years

• Change air cleaner elements
• Replace engine coolant (depending on coolant spec)

Final Maintenance Recommendations

Regular maintenance keeps your JLG 1644 operating reliably. For a full range of JLG parts, explore our extensive EquipmentShare parts catalog. If you can't find the part you need, reach out to our parts experts for a custom order.