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How important is a Diff Lock on green lanes ?

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Budgie:

--- Quote from: "Brian the Sn@il" ---Been looking at a few new 4x4 Pickups.
It seems the trend is now away from a Diff Lock.

--- End quote ---


When you say 4x4 Pickups, is that the likes of the L200 & Hi-Lux?

I know some of the later Hi-Lux's have an electric opporated difflock on the rear axle, but I'm not sure if the L200 is fitted with anything.
These are normally 2 wheel drive on the road and 4 wheel drive can be selected, same as the Series Landrovers.
This means that they don't need a central difflock as the power is evenly distributed to the front & rear when 4WD is selected on the transfer box.

Defenders, Discoverys & Range Rovers are perminent 4WD and need the central difflock disengauged on the road to stop one axle driving faster than the other on the road and thus avoiding "windup" in the transfer box.

The rear axle difflock is a "nice to have" if you can find a truck with it fitted but they are quite capable motors without it as well.  :wink:

I hope that lot makes sence.  :D

laser_jock99:

--- Quote from: "TimM" ---Diff locks are NOT improtant at all, not in the slightest.....

Until you get stuck!
--- End quote ---


....and even then having difflocks won't necessarily help you!

The only times I've had to be towed out while green laning the car had become bogged down in deep mire and well dug-in on all four corners in tractor ruts. You know the kind sticky clay stuff I mean! I've got no difflocks on my car but I don't think it would have helped on either of those occasions. However I could have easily winched myself out (...if I only had one fitted!).

Having said that- fitting a rear axle difflock is on my 'to do' list as it's better to have one than not. Thinking (or dreaming rather) of an ARB airlocker (£££££££) for the rear axle. Just need to convince SWMBO it's a sound investment.

Landy90IOM:

--- Quote from: "laser_jock99" ---
Just need to convince SWMBO it's a sound investment.
--- End quote ---


just say it will ensure that you will get home in time for dinner... sure she will understand  :wink:

Brian the Sn@il:
GReat input guys, you may remeber my posts regarding the 4x4 to buy.

Things are moving on and will be able to make a desision soon :)

I really dont know what i could have done without the input and advice this site has provided me with  :lol:

Manicminer:
My motor has a Transfer box which has been mentioned earlier. I have 2WD High for normal road use, 4WD High for snowy/icy or sandy conditions which I can shift 'on the fly' at speeds of up to 60 MPH. I also have 4WD Low box for the more serious stuff. I do not need a central Difflock as I have no central diff.
On the rear axle I have a Limited Slip Diff which means that when I loose traction, I have 3 wheels spinning as opposed to 2 on a normal 4X4 (1 on opposite corners). This usually means that I will not cross-axle.
The only problem is when I'm stuck I *am* stuck :roll:

Most Pick-ups will have similar setups with the LSD as an option.

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