Australian farm machinery manufacturer Dunstan has come up with a case hardened pin-and-bush matching solution to solve wear problem on chaser bins.
A fully loaded chaser bin travelling at 25km/h across uneven
paddocks puts a punishing load on running gear.
The downward force on tandem axle set-ups is concentrated at the
centre pin pivot point, a known problem area on most bins with high
rates of wear being quite common.
To make matters worse, the pivot pin can be difficult or even
impossible to grease due to the downward pressure.
Paddock bin manufacturer Dunstan claims to have solved the problem with
the introduction of a system that matches machined case-hardened
pins and bushes.
It also features a side-mounted nipple that makes it easier to
get grease into the housing. But even if greasing is incomplete,
the case hardened pin is wear resistant and will last longer than
conventional systems.
Dunstan Director Craig Miller says that even though pivot pin
wear is a known problem, many farmers don’t take it into
consideration when making a purchase decision.
“Our system is a real improvement and ensures the longevity of
the product which ultimately reduces maintenance costs,” he
says.
“With headers getting bigger and faster all the time, grain
handling at harvest is becoming a high-pressure event. The last
thing farmers need to be worrying about is down time for
maintenance or repairs.”
Dunstan’s Chief Design Engineer Ian Banfield says the company
looked at and tested various alternatives but the case-hardened
pins have proved to be the best solutions.
“We also use over-spec’d Australian hubs and stubs. Our biggest
bins weigh over 40 tonnes all up and the big tractors really move
them along these days,” he says.
“That’s why we use the best quality running gear. Then we don’t
have any problems.”
For further information on the new Dunstan case-hardened pivot
pin system, phone 03 5452 1488 or email info@dunstanfarmers.com.au.