Engcon has announced “the world’s most powerful tiltrotator” is now in production.
Engcon’s new EC233 series tiltrotator has a break torque of 240,771 foot-pounds, making it the market’s most powerful tiltrotator built for excavators up to 33 tonnes.
As well, the new model features a tilt angle of 45 degrees; a standard QS70 and QS80 quick hitch; standard equipped with central lubrication, load valves on tilt cylinders; and it is prepared for EC-Oil automatic oil coupling, with or without gripper
The EC233 replaces Engcon’s EC30, which has been in production since the mid-1990s.
“The EC233 tiltrotator for excavators in the 24 to 33 metric tonne range is a fantastic product,” said Fredrik Jonsson, Engcon’s development manager.
“Combined with our quick hitch QS70 and QS80, now fitted as standard with Engcon’s automatic hydraulic and electrical coupling, EC-Oil, we have started taking orders on the EC233 already. We’re expecting this ‘tilty’ to be very well received.”
Product development of the new tiltrotator focused on destructive tests in which both stubs and fasteners were exposed to extreme overload in laboratory environments. Testing then continued on large machines.
“Everything from first prototype to full series production has gone very well,” Jonsson said. “We always start by tensioning our test products in a powerful hydraulic rig where we control the overloaded forces with controlled forces. It gives us a clear picture of where any structural flaws may exist.”
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When the laboratory tests are complete, a number of prototypes are fitted on large excavators to enable further testing of how the tiltrotator operates in real life environments.
“Even though we have subjected the equipment to some serious pressure in a laboratory environment, things happen in real life that you can’t always anticipate in the lab,” Jonsson said.
“It’s everything from changing temperatures to an infinite number of torques that can’t be simulated easily, but the EC233 has sailed through development.”