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4x4 Earth - The 4WD, Camping, Fishing and Outdoors podcast.

Join James from 4x4earth.com as he learns about 4 wheel driving, trucks, tracks, places to go and things to do when exploring the 4x4 Earth. He looks at driving and recovery techniques, trucks, mods, bush camping and cooking, fishing and generally enjoying the Great Outdoors. Learn tips and tricks to have a great time in the places that other people can't get to. Do all of this while being safe and looking after the environment.
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4x4 Earth - The 4WD, Camping, Fishing and Outdoors podcast.
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Dec 10, 2018

The difference between air lockers and eLockers is one of the most popular discussion points on the 4x4earth forum, so we decided to get an expert in to discuss the difference.

Heath is the General Manager at Harrop Engineering.  He drives a Harrop Superado, an Holden Colorado with an upgunned V8 Harrop supercharger engine. 

Harrop was started in 1955 by Len Harrop in the northern suburbs of Melbourne.  His son had the Harrop Howler, a very fast quarter miler. Heath talks about how Harrop has transitioned about from supporting the Australian vehicle manufacturing industry to exporting components for vehicles like the Toyota Tundra.

We discuss what exactly an eLocker is and how it works with the diff.  Heath talks about how the eLocker passes the 300,000 km durability testing.  Originally developed by Eaton for the military, the eLocker is designed for reliability and durability.  An electromagnet is actuated to engage the diff locking mechanism.

Harrop has developed a range of 4 pinion designs for a large range of vehicles.  The gears, splines and internal housings are manufactured in Australia.

We talk about what kinds of driving conditions and tracks you would use a selectable locker for.  We also talk about the difference between front and rear lockers and when you would choose either. 

We discuss the next innovations for Harrop, like the PX3.

How hard is an eLocker to fit?  We look at whether it is a DIY solution or if it should be fitted professionally.

A great Aussie manufacturing story with some great innovation and big export wins.

Join the conversation about  the 4x4earth podcast on the 4x4earth forum.  www.4x4earth.com is Australia's largest free and independent 4 wheel driving website with over 200,000 visits per month.

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