GrainKing
GrainKing is a proudly Australian, family-owned business based in Cunderdin, WA, with over 60 years of experience in farming innovation. Specialising in premium grain handling equipment, they’re known for their cutting-edge Nyrex Chaser Bins, Maximus Mother Bins, and Geminus Seed & Super Bins—designed to boost productivity and streamline harvest operations.
With a strong focus on quality, innovation, and Aussie-made strength, GrainKing is trusted by farmers across the country. Their gear is built tough to handle real farm conditions, helping you work smarter and faster every season.
GrainKing Grain Chaser Bins
Specification | Size, Capacity | Width | Load in Height | Length (inc drawbar) | Steering and Undercarriage |
|---|---|---|---|---|---|
Chaser Bin - Sgle, Tdm, Tri axle models | 18T - 62T, 26000L - 75000L | 4460mm | 3835mm - 3877mm | 6290mm - 12163mm | Rear steering Tdm, Front/Rear steering Tri, Brakes |
Seed & Super Bin - Sgle, Tdm, tri axle models | 25T - 60T | 4485mm | 3900mm | 7500mm - 12602mm | Rear steering Tdm, Front/Rear steering Tri, Brakes |
Centre Lift Motherbin - steel subframe, dual centre tyres | 140T - 300T, 176,000L - 375,000L | 4482mm except for 300T | 4062mm except for 300T | 15465m up to 22696mm | Tight turning circle due to centre tyre location, Brakes. |
Wheeled Motherbin - 4 axles | 135T | 3700mm | 4062mm | 18200mm | Front two axles steer, first axle steers 5 degrees further than 2nd axle for a smoother ride, no skipping, Brakes. |
GrainKing Seed & Super Bins
- Fast unloading twin 18" augers
- Rain caps on both augers to prevent water ingress when augers are folded down
- Stainless steel "V" floor and auger barrels
- All Grain King bins have certified heavy-duty hydraulics and hydraulic braked axles
- Hand-held remote controls that can be operated from either the tractor cab or on your air seeder
- Hydraulic floor auger, adjustable flow doors, adjustable spouts, swinging cleanout doors
- No contamination between seed and fertiliser - split compartment bin
- Lights/camera kit standard - large range of options available
- Use at harvest time as a Chaser Bin
GrainKing Nyrex Chaser Bins
- Braked axles for operator safety
- Low centre of gravity for unparalleled stability
- High capacity hydraulic 22" folding auger
- Hydraulic jack stand for fast and efficient hook up
- Full length clean out doors for quick and easy bin clean out
- Floating cushioned draw-bar for a smoother ride
- Light kit & camera kit for improved safety and efficiency
- Adjustable auger covers for greater control over the discharge speed
- Electric adjustable chute making Nyrex exceptionally user friendly
- Leaf suspension undercarriage
- Rear steering on tandem models, front and rear steering on tri models
- Large range of sizes and options available
GrainKing Maximus Field Bins
- 5 Year structural limited warranty
- Hydraulic Brakes to ensure the safety of the operator is always the first priority.
- Tandem cushion rocking suspension ensuring a smoother ride for transport, both benefiting the operator as well as stopping any bin fatigue.
- Flotation Tyres, helping you to transport across boggy paddocks, while reducing compaction.
- Flow Adjustable Grain Doors which allows the operator to control speed of grain flow.
- Light Kit for enhanced vision at night.
- Camera Kit for easy viewing into the Maximus Bin.
- Adjustable Poly Spout to ensure you are putting the grain exactly where you want it.
- Height Adjustable Drawbar to help the operator in transportation through creeks and rough paddocks.
- Full length unobstructed internal walkways ensuring safety and convenience for the operator and ease of clean out.
- 22” auger for a more efficient unload capacity.
- Sight Windows to ensure the operator can analyse from further away.
- Side Access Door for ease of access when it comes to clean-out
- Large range of sizes and options available
135T GrainKing Dynamis Field Bin
- 2 Year structural limited warranty
- Hydraulic Braked axles to ensure the safety of the operator is always the first priority
- 4 axles with dual truck tyres helping you to transport across boggy paddocks
- Light Kit for enhanced vision at night
- Camera Kit for easy viewing when unloading the bin
- Full length unobstructed internal walkways ensuring safety and convenience for the operator and ease of clean out
- 18" auger for a more efficient unload capacity
- Sight Windows to ensure the operator can analyse from further away
- Side Access Door for ease of access when it comes to clean-out
- Under 3.7m wide so no pilots are necessary when towing on the road