The D590 Two-Speed Planetary Double Reduction Single Drive Axles offer versatile power in a complete line of planetary double reduction models. The D590 Series tandems are ideal for medium- and heavy-duty applications from 46,000 to 70,000 lbs. GAWR, including construction, heavy-haul, logging, oil field, refuse, and other demanding vocational applications.

• Ratio coverage from 4.75 through 10.90:1 allows maximum performance across a variety of vocations 
• High-capacity gearing and bearing system for durability and reliability with higher horsepower/torque engines 
• Patented axle breather design allows unrestricted air flow – a no-maintenance feature
• Strongest axle housing box section in its class adds strength with less deflection
• Integral welded suspension brackets for increased strength and durability

LMS/LMSi

• Industry-leading hub system technology    
• Reduced maintenance and improved reliability
• Increased efficiency and lower life cycle costs

Wheel Differential Lock

• For maximum traction on slippery surfaces    
• Increased stability improves operator safety
• Can be retrofitted on certain models

Central Tire Inflation System

• Maximum mobility on a variety of terrains    
• Enhanced efficiency extends tread life
• Reliable performance for better ride and reduced maintenance

Lube Pump

• Industry-proven design improves vehicle reliability    
• Does not require external filters or filter changes
• Keeps gears lubricated

Carrier Integrated Retarder

• Increased strength    
• Reduced complexity

Heat-Treated Steel Differential Case

• Provides extended gear and bearing life