GrainKing Nyrex Chaser Bins, Built for the Future, Manufactured Today
GrainKing Nyrex chaser bins are Australian-made harvest machines engineered to keep your header cutting without stopping. The range spans 23,000L to 94,000L across single axle, tandem axle, and tri axle configurations, with a 5-year structural warranty on every model. Over 40+ years of continuous development, from basic steel fabrication to precision laser-cut components, improved gear ratios, and hydraulic suspension, the Nyrex has been shaped by real feedback from Australian grain farmers.
The Nyrex Chaser Bin Advantage
A Nyrex chaser bin can be your harvest game-changer.
Smaller Nyrex models (18t to 38t) run a 3.5m bin width excluding tyres and a 22″ pivoting discharge auger, capable of 14 to 16 tonnes per minute. Larger models (45t to 75t) step up to a 4.5m overall width and a 24″ auger for faster throughput on high-volume harvest days. Tandem axle models include heavy duty leaf spring suspension and rear steering to minimise soil disturbance when turning. Tri axle models add front steering for improved tracking and load distribution across three axles.
The tandem axle design is unique in the market: hydraulic brakes on all wheels, a rear steering axle that locks for road travel, and a low centre of gravity that keeps the bin stable without scuffing the paddock on tight turns.
The Complete Nyrex Range Overview
Ten configurations cover the full spectrum of Australian broadacre harvest operations, from single-header family farms through to large corporate and contractor fleets. You can choose the right chaser bin according to your harvest needs.
Nyrex 23,000L Single Axle
Entry-level capacity for single-header operations. Simple to hitch and manoeuvre, with a 22″ auger delivering 14 to 16 tonnes per minute and a compact footprint suited to smaller paddocks and tighter budgets.
Nyrex 32,000L Single Axle
More capacity per cycle without stepping up to tandem axle complexity. Suited to medium broadacre farms where reducing header stops is the priority and towing simplicity matters.
Nyrex 40,000L Single Axle
The highest capacity available in a single axle build, for operations that want strong throughput without the additional weight and width of tandem running gear.
Nyrex 40,000L Tandem Axle
Same carrying capacity as the single axle model but with tandem suspension, rear steering, and hydraulic brakes on all wheels. The step up to tandem is about stability and paddock performance, not just tonnage.
Nyrex 48,000L Tandem Axle
A practical jump in capacity for farms running two headers or covering large paddock distances. Holds enough to reduce chaser cycle frequency without the footprint of the larger tandem models.
Nyrex 56,000L Tandem Axle
Fewer return trips to the truck per harvest shift. Suited to high-yield crops like canola where bin fill rates are fast and downtime from over-frequent unloads cuts into daily hectares.
Nyrex 70,000L Tandem Axle
High-capacity tandem for operations where headers outpace transport. The 70,000L buffer means trucks can run longer routes or face delays without the header ever sitting idle.
Nyrex 70,000L Tri Axle
Same 70,000L capacity on a three-axle platform for improved load distribution and soil compaction management. The addition of front steering also improves paddock tracking on long runs.
Nyrex 82,000L Tri Axle
Built for corporate farms and contractors running three or more headers simultaneously. The 24″ auger keeps pace with continuous grain flow across extended operating windows.
Nyrex 94,000L Tri Axle
The largest Nyrex available. Maximum field-side buffer capacity for operations where any header wait time has a direct cost, and where road transport schedules cannot dictate harvest pace.
Chaser Bin Features and Operational Benefits
Standard equipment across the Nyrex range:
- 5-year structural warranty on every configuration
- 22″ pivoting discharge auger on 18t to 38t models, 24″ on 45t to 75t models
- HYD/PTO drive standard, full PTO or full hydraulic drive available as options
- Independent hydraulic suspension with 400mm travel (tandem and tri axle models)
- Rear steering on tandem models, front and rear steering on tri axle models, hydraulically lockable for road travel
- Roll tarp for grain protection in transit
- Brakes, lights, and 3-camera kit on every model
- Electric adjustable chute and hydraulic cushioned drawbar
- Full-length clean-out doors for quick changeover between grain types
- Hydraulic jack stand for fast hitching without leaving the cab
- Rear ladder, side ladder, and sample chute
- Weigh scales available as factory-fit or retro-fit on compatible models
Explore the Complete GrainKing Range
The Nyrex is one part of an integrated GrainKing harvest system. Pair it with a Maximus mother bin at the paddock headland to create a buffer between header output and road transport, letting trucks run on their schedule without slowing your combines. Add Geminus seed and super bins to carry that same efficiency into the sowing season. For on-farm storage between harvest runs, Dynamis field bins hold grain at paddock-side until it is ready to move.
Find Your Nyrex Configuration
Match your chaser bin to your header output, paddock size, and transport setup. The right size eliminates the bottleneck between your combine and the road without over-investing in capacity you will not use every season.
Get a personalised quote or speak with a GrainKing specialist to find the Nyrex configuration built for your operation.
