Description

 

• 3mm thick notched discs
• Two seperate 25mm square axles per row (Total of four per unit)
• Four grease packed cast hubs per row (Total of eight per unit)
• Robust heavy duty RHS frame
• Backed by Hayes field knowledge, technical support and stock of consumables and spare parts

 

16-Inch Disc Harrow Tractor Horsepower Guide

Choosing the right disc harrow for your tractor ensures better performance, improved fuel efficiency, reduced wheel slip and longer equipment life. The recommendations below are based on typical Australian operating conditions and assume a correctly ballasted tractor with good traction.

Note: Actual horsepower requirements will vary depending on soil type, moisture levels, working depth, terrain, tyre choice and ballast. These recommendations are intended as a practical guide only.

🟩 Recommended Tractor Horsepower

Hayes Disc Harrow Model	Working Width	Disc Configuration	Light / Sandy Soil	Average Conditions	Heavy Clay / Deeper Cutting	Maximum Tractor HP
4 Foot	1220 mm	12 × 16″ discs	18–25 hp	25–35 hp	35–45 hp	50 hp
5 Foot	1525 mm	16 × 16″ discs	25–35 hp	35–45 hp	45–50 hp	50 hp

🟩 Implement Weight & Recommended Three-Point Linkage Lift Capacity

Hayes Disc Harrow Model	Implement Weight	Recommended Minimum 3-Point Lift Capacity
4 Foot	185 kg	300 kg
5 Foot	260 kg	400 kg

Why is a higher lift capacity recommended?

Because a disc harrow is carried behind the tractor, the implement’s load centre sits well behind the three-point linkage lift arms. This creates additional leverage on the tractor, meaning the required lifting capacity is greater than the implement’s weight alone. Choosing a tractor with additional lift capacity improves lifting performance, stability and transport safety.

🟩 Quick Reference

Disc Harrow Size	Recommended Tractor Range	Maximum Tractor HP Rating
4 Foot (1220 mm)	25–45 hp	50 hp
5 Foot (1525 mm)	35–50 hp	50 hp

🟩 Choosing the Right Disc Harrow for Your Tractor

• Match the disc harrow to your tractor’s engine horsepower for the conditions you expect to work in.
• Ensure your tractor has adequate three-point linkage lift capacity for the chosen implement.
• Heavier soil, steeper terrain and deeper cultivation will require more horsepower than lighter working conditions.
• If operating close to your tractor’s maximum lift capacity, front ballast or a front-end loader can improve stability and provide additional counterbalance during lifting and transport.

Hayes Products – Tough Gear Built for Hard Work

Specifications

 

Horsepower	25-50hp
Working Width	1,525mm
Qty discs	16
Disc diameter	16 inch
Disc thickness	3mm
Gangs/axles	4
Cast hubs	8
Axle thickness	25mm square
Disc spacing	195mm
Offset angle	TBA
Hitch pins	CAT 1
Overall width	1,600mm
Weight	260kg

 

 

• Warranty 12 months – excluding consumables
• Comes 99% assembled