The latest Morris 10 Series air carts have a host of features designed to suit local conditions and machine set-ups.
The latest Morris 10 Series air carts have now had one season in the field.
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Released last May, in addition to larger capacities that will keep producers seeding in paddocks for longer and spending less time filling, the new carts feature technologies to boost seeding efficiency, accuracy and uniformity.
Distributed by McIntosh Distribution, the Morris 10 Series complement small and large frame air carts from the manufacturer’s 9 Series.
Growers have the choice of seven models from the 10 Series, offering capacities ranging from 20,890 litres to 34,701 litres in three- and four-tank configurations and incorporating an integrated, stainless-steel liquid tank as well as a small seeds ‘Optimizer’ tank.
Duncan Murdoch, national Morris product manager with McIntosh Distribution, said in line with previous tillage and seeding equipment releases from Morris, Australian fingerprints were all over the 10 Series, catering to local conditions and producers’ preferred machine set-ups.
He said the carts had been tested over the previous two seeding seasons in Australia and several years prior in Canada.
“Three things we particularly focused on to assist the design were high draught loads in tow-between configurations, as well as operating in heat and dust,” Mr Murdoch said.
He said there also was a strong Australian influence with the axle design, including to suit the industry preference for big single tyres rather than duals, as well as in the tank configuration, largely to achieve three similar granular tank capacities, or two similar larger tanks, with a liquid tank.
“The bigger carts use a three-piece wheel rim and 201 rated tyres that can each carry 26.5 tonnes. We have set the tyre specifications in Australia and we haven’t spec’d it to be just enough — there is a lot of extra capacity with the tyres.”
Mr Murdoch said the use of load cells under every granular tank would take seeding rate accuracy and uniformity to a whole new level.
“This is the solution to that hidden, unsaid, unknown, misunderstood truth of air-seeding — the difference between the calibrated rate and the applied rate that occurs due to product density changes in tanks.
“Fertiliser weight will not change, but the density can. Growers can calibrate and get it spot-on, then see their applied rate and think they have got the calibration wrong.
“The load cells remove this discrepancy between the calibrated rate and the applied rate by picking up the density changes as product is metered. They adjust the speed of the meter shaft to enable application of the correct rate on every single hectare.”
The use of load cells under every granular tank on the Morris 10 Series air carts takes seeding rate accuracy and uniformity to a whole new level.
A move to electric metering powered by a brushless alternator and driven by brushless motors provides next generation section control and assists the accurate application of even lower seeding rates, which is another major attraction for producers.
The electric system also continues to use the renowned Morris spiral-fluted metering wheels, Mr Murdoch said.
“The Morris metering system continues to be the most accurate and for producers trying to sow below the industry standard of around 2kg/ha with small seeds like canola, they can now get down to 1kg/ha with the 10 Series.”
Extending from the Morris 9 Series air carts, producers also can put a percentage of fertiliser into seed runs and accommodate different seed sizes by adjusting a single lever, avoiding the need for different metering wheels.
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