ST491A , FD209RA , DHU1-3/4R-209 Disc Harrow Unit

In real field conditions, dust, mud, impact loads, and aggressive cycles kill standard disc harrow bearings. Premature failure means costly downtime and frequent replacements.

The ST491A Disc Harrow Unit is specifically engineered to outlast standard FD209RA and DHU1-3/4R-209 units. With a triple-lip sealing system, it slashes contamination-related failures and keeps your fleet working longer.

Key Features of ST491A Disc Harrow Unit

1.Heavy-Duty Load Capacity

Designed to handle shock loads from rocky soils and high-speed operations.

2.Triple-Lip Sealing System

Prevents dust, mud, and moisture ingress, significantly extending service life.

3.Precision Housing

Ensures proper alignment and reduces vibration during operation.

4.Pre-Lubricated Design

Factory-filled grease reduces maintenance frequency and downtime.

5.Full Interchangeability

Compatible with FD209RA and DHU1-3/4R-209 without modification.

ST491A vs Standard Disc Harrow Bearings

Applications of ST491A Disc Harrow Unit

Direct Fit for: Case IH (37, 48, 60, 120, 122, 130, 150, 330, 340, 345, 350, 470, 475, 480, 485, 490, 496, 610, 760, 3800, 3850, 3900, 3950), New Holland ST440, Sunflower, Remlinger, and RMX340.

Also works in:

• Conser-Till series
• Combo Mulch Finishers
• True-Tandem 330 Turbo
• Sunflower Field Cultivators & Land Finishers

Technical Specifications For ST491A Disk Harrow Unit

Why Choose ST491A Disc Harrow Unit

• Consistent batch quality – ISO certified
• Strict tolerance control
• Customization available
• Proven performance in EU & US markets

Packaging & Logistics

• Export anti-rust packaging
• Palletized shipment available
• Fast lead times
• Global shipping support

Common Problems Solved

• Premature failure due to contamination
• Frequent maintenance
• Overheating in high-speed operation
• Short lifespan in harsh environments