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  • Nick Rogers, Executive Director, Product Engineering, JLR
    Nick Rogers, Executive Director, Product Engineering, JLR
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Monocoque was simply the best solution for Defender, says Land Rover

12th Sep 2019 9:00 pm

The SUV specialist believes ladder-on-frame wouldn’t fit the bill for the new Defender, as it was crucial for the model to be pliant and agile on normal roads.

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The Land Rover Defender’s reveal was one of the biggest stories from the 2019 Frankfurt motor show. The all-new Defender has big shoes to fill, especially since its predecessor is possibly the world's most iconic 4x4. Land Rover insiders says they have gone to great lengths to retain the hardy character of the original in a package so that is in keeping with times. However, a point of contention for Defender purists could be the carmaker's decision to switch to monocoque construction. The original Land Rovers were built using a separate body mounted on a ladder-frame chassis. 

One of the key reasons to choose a monocoque was that in addition to being capable off the road, it was crucial for the Defender to be pliant and agile on normal roads as an everyday vehicle. “We discussed that if you wanted a vehicle which is just good off-road, then maybe, yes, you could have a ladder-frame but for the new Defender we also wanted fun and agility and hence simply the best technical solution was a monocoque,” said Nick Rogers, executive director, product engineering, JLR, to Autocar India in an interview at the 2019 Frankfurt motor show.

He believes a monocoque construction also lends the driver a connected feel. “If you have a chassis and a body (in the case of a ladder-on-frame), when you start to go into a corner, the chassis starts to twist and then suddenly the mounts take up that slight twist. This results in a non-linear behaviour and you are never going to get the agility because you don’t have the connected feel of the vehicle coming through,” Rogers explains.  

JLR claims the lightweight-aluminium monocoque construction of the Defender is the stiffest body structure the brand has ever produced. “You can have a monocoque that is incredibly stiff as well. This monocoque is at least 10 times stiffer than most body-on-frames, and is at least three times stiffer than even the best body-on-frame.” 

What further accentuates the Defender’s off-road abilities is 291mm of ground clearance, a 38-degree approach angle and 40-degree departure angle, as well as a 900mm maximum wading depth. There’s also the choice of independent air or coil-spring suspension, a twin-speed transmission, locking centre differential and active rear locking differential.

The new Defender is not only claimed to be a better off-roader, but also more refined and comfortable. Rogers says technology is also a very important aspect and it’s crucial to “recognise that in 2020, customers want connectivity, they want a system that is always online and up-to-date.” The Defender offers a 10.0-inch digital screen which displays Land Rover’s next-generation infotainment system (called Pivi Pro) and supports smartphone integration. There’s also a 12.3-inch digital instrument panel and over-the-air updades are offered as standard across the range. 

Land Rover has confirmed plans to bring the all-new Defender to India in late 2020.

Also see:

2020 Land Rover Defender image gallery

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Land Rover Defender
Land Rover Defender

Rs 80.96 lakh * on road price (New Delhi)

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