In the dynamic world of modern farming, efficiency and productivity are key to a successful harvest.
For Australian farmers, where vast paddocks demand quick and reliable solutions, chaser bins have become indispensable tools in the grain harvesting process.
These workhorses are crucial in maintaining the continuous grain flow from the combine harvester to storage, helping farmers save time, protect soil, and maximise yields.
This article delves into the role of chaser bins, their benefits, how to choose the right one for your farm, and why they’re considered the backbone of efficient harvesting.
What Does a Chaser Bin Do?
A chaser bin, also known as a grain cart or auger wagon, is a towed trailer designed to transport grain from a combine harvester to storage facilities, trucks, or mother bins.
Equipped with an auger system, it allows for quick and efficient grain unloading directly from the harvester while it continues to operate. This process eliminates the need for the harvester to stop, ensuring seamless harvesting operations.
Is a Chaser Bin Worth It?
Harvest downtime is expensive—lost time means lost grain. Combines can spend up to a third of harvest time unloading, and delayed harvesting can lead to daily yield losses of 0.5% or more. Worse, unexpected weather can cause crop damage of up to 40%.
A chaser bin eliminates unnecessary stops, keeping your combine running at full capacity. By speeding up harvesting and protecting your crop, it’s an investment that pays for itself in efficiency and reduced risk.
How Chaser Bins Boost Farm Productivity
Chaser bins are designed to streamline harvesting, making them indispensable for modern agriculture. Here’s how they improve productivity on Australian farms:
- Continuous Operations: Chaser bins enable the combine harvester to unload grain on the move, reducing downtime and increasing efficiency. This constant operation ensures no time is wasted waiting for the harvester to empty its hopper and start refilling.
- Grain Storage: These bins temporarily store harvested grain in their large hoppers, allowing farmers to collect grain in the field before moving it to permanent storage or transport vehicles.
- Easy Transportation: Chaser bins can be easily towed by a tractor on most surfaces, making it simple to move grain to conveyors, storage bins, or waiting trucks for further processing.
- Improved Grain Quality: By minimising grain handling and using refined auger systems, chaser bins help reduce damage and preserve the quality of the harvest.
- Reduced Soil Compaction: By keeping large trucks off the paddock and using chaser bins, a field’s soil structure, compaction and long-term soil health are preserved. Float tyres and track system options are available to ensure soil compaction is reduced to a minimum.
What Are the Benefits of a Chaser Bin?
- Flexibility: Chaser bins can be adapted to various field conditions, providing mobility and versatility during harvesting.
- Cost-Effective: By reducing the trips needed to transport grain, chaser bins save on fuel and labour costs, reduce downtime and ultimately improve profitability.
- Harvest Management: During peak harvesting times, chaser bins help maintain a smooth operations flow, preventing bottlenecks and ensuring an uninterrupted process.
- Efficiency in Large Farms: With capacities ranging from 18,000L to 75,000L, Nyrex chaser bins can handle the demands of large-scale Australian farms, making them ideal for operations with high output requirements.
Who Makes Chaser Bins in Australia?
Australia boasts several manufacturers of chaser bins, and GrainKing stands out as a leader in innovation and quality. The GrainKing Nyrex Chaser Bin range results from decades of technical innovation and superior components combined with feedback from Australian farmers to offer the highest quality chaser bin on the market.
Known for their award-winning designs, GrainKing’s chaser bins are built to withstand the harsh conditions of Australian paddocks. With a focus on durability, efficiency, and user-friendly features, GrainKing is a trusted name among Australian farmers.
Choosing the Right Chaser Bin
Selecting the right chaser bin is critical to ensuring efficiency and productivity on your farm. Here are the key features to consider:
- Capacity: Choose a chaser bin that matches the output of your combine harvester to minimise interruptions during harvesting.
- Auger Size: A larger auger, such as the 22″ standard auger used in GrainKing chaser bins, can improve unloading speed and reduce downtime.
- Tire Size and Type: GrainKing’s bins all come with new tyres that are designed to handle rugged Australian conditions. Float tyres are also available for wet muddy conditions.
- Durability: Look for robust construction and high-quality materials to withstand heavy-duty use and the rigors of harvest season.
- Ease of Use: Features like hydraulic controls, adjustable spouts, and light kits improve operator comfort and operational efficiency, even during night-time harvesting.
- Safety Features: Chaser bins equipped with camera kits, light kits, and reliable braking systems ensure a safer working environment for operators. Firefighting units and fire extinguishers are also available for those dry conditions.
- Warranty: A strong warranty provides peace of mind and confidence in your investment. Grainking’s bins all come with a 5-year structural warranty.
- Simple Maintenance: A design that facilitates easy cleaning and maintenance will save time and ensure the longevity of your chaser bin.
How Much Grain Can a Chaser Bin Hold?
Chaser bins come in various sizes to suit different farm operations. Capacities typically range from 18,000L to 75,000L, allowing farmers to choose a model that meets their specific needs.
What are the typical price ranges for chaser bins in Australia?
The price of chaser bins in Australia varies depending on size, features, and brand. On average:
- Smaller bins (18,000L to 30,000L): Up to $100,000 AUD
- Mid-range bins (40,000L to 50,000L): $100,000 to $180,000 AUD
- Larger bins (60,000L to 75,000L): $180,000+ AUD
Premium bins often come with advanced features such as larger augers, hydraulic controls, and safety kits, which justify the premium price.
How does the maintenance cost of a chaser bin compare to other harvesting equipment?
Chaser bins generally have lower maintenance costs compared to combine harvesters or trucks. This is due to their simpler mechanical systems and fewer moving parts.
Key maintenance tasks for chaser bins include:
- Lubricating the augers, bearings and grease points
- Checking hydraulic systems and brake functionality
- Inspecting tyres for wear
The durability of chaser bins, with features like high-quality steel construction and robust components, further reduces the need for frequent repairs, keeping maintenance costs minimal over the years.
Are there any specific models or features that are particularly recommended for smaller farms?
For smaller farms, chaser bins with capacities between 26,000L and 40,000L are ideal. These models balance affordability with functionality, making them easy to maneuver in tighter paddocks while still providing enough storage for efficient harvest operations.
Recommended features for smaller farms include:
- Compact Design: A shorter wheelbase for better handling.
- Hydraulic Auger Controls: To simplify unloading and improve efficiency.
- Adjustable Spout and Light Kits: For precision unloading, even during night-time operations.
GrainKing’s Nyrex 26,000L or 33,000L models are excellent options for smaller farms, combining robust construction and advanced features tailored to meet the needs of smaller-scale operations.

Ready for a Better Harvest?
Chaser bins are the backbone of efficient grain harvesting, enabling continuous operations, reducing costs, and preserving soil quality. With their ability to handle significant quantities of grain and improve overall efficiency, these indispensable tools are a must-have for Australian farmers.
GrainKing’s Nyrex chaser bins, built with innovative features and designed for Australian conditions, offer unmatched value for money and operational efficiency. Whether you’re upgrading your equipment or exploring options for the first time, choosing the right chaser bin can revolutionize your harvest operations and help you achieve greater success.
Discover The Nyrex Chaser Bin
Curious about how a chaser bin can transform your harvest operations? Experience the unmatched performance of GrainKing’s Nyrex Chaser Bins firsthand.
Book a free demo today and see the difference these workhorses can make for your farm. BOOK A FREE DEMO

