Customer Feedback

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Giles G of VIC
Nissan Terano V6

Just a quick thank you for the "fitment" of the snorkel on my grey 1990 Terrano. Performed a treat. 11 creek crossings, 1650 km of Bulldust in 48 degree heat and three washes of the prefilter sock, The main filter is still servicable after 15,000k. Next a long range fuel tank.
Your grateful Windmill Mechanic,




Chris W of QLD
Toyota LCR HJ75 1989

I fitted one of your lockers in the front diff about a month ago, since then I have been testing it out in the wet rainforest tracks and extremely rocky hill climbs in the mountains above Cairns in north qld. So far I have been really impressed with the advantage your locker has given me. It has pulled me up some rock walls that onlookers had deemed impossible, I even had one bloke search my car for air locker switches. It unlock when its suppose to just like your add said. It took me about 3 hours and a carton of xxxx to fit by myself and was not difficult at all. It has not been noisy either like i've heard rumors about like one of those detroit type lockers. I'm so impressed that I have been seriously thinking about puting one in the rear diff




Andrew R of NSW
Toyota Hilux LN167R 2000

I have a front 4wd Systems Lokka, AND LOVE IT! It is the best mod on my truck! It gets me everywhere the big trucks can and some they can't! It is absolutely brilliant, bullet proof and a thing of beauty! Anyway...As I use my truck in its intended manner, my LOKKA stickers are now washed, scrapped and scratched off! And I would love some more...nothing like being proud of your mods, and offering free advertising for a great product.




Barry B

Received cargo barrier just over a week ago, fits a treat thanks for your assistance in procuring same at a more realistic cost. Won't hesitate passing on your details if Ihave any queries about your service.
thanking you again




Tony E of TAS
Nissan Navara D22
I have the 137 litre tank and very happy with it. Did have to remove muffler and replace with a resonator ( 3 inch system) but happier with it like that. The tank served me well as it made up the cape and back with no hassles ( ie cracks or clearance) …...... The guys from 4wd systems are extremely helpful and bent over backwards to get me the tank in time. Also have the Lokka from them and I can't stop raving about it. You won't be disappointed.


Stephen T

Thank you for your promptness in getting these parts back to me. They arrived all intact.
It has been a pleasure dealing with your company.




Nathan A of NSW
Toyota Surf KZN130 1993

I recently bought 2 Lokkas off you for my Toyota Hilux Surf and have 3 bits of feedback for you.
Don't worry, it's not bad, quite the contrary actually.

First of all, the service I got from you leading up to the purchase, contained sound advice regardless of how stupid my questions were.

Secondly, I put in the order very late in the day but you still managed to get the parts to me the next day, 1200km away. It took me 2 bloody days to get a crown wheel delivered within Sydney.

Thirdly and sorry for being long winded but, I went on a 4WD course today and it was great to get out and test the auto Lokkas I had installed earlier in the week.

When I turned up at the course, the other guys (instructors included) all probably looked at in my 17 year old Toyota and probably though "this piece of shit is out of place". Everybody else was in new cars with electric everything and 101 different electronic driver assist gadgets installed.
Here I was in my sub $10K standard Hilux (apart from the Lokkas), surrounded by big some dollar machines, a new 150 series 5 door Prado, a new 150 series 3 door Prado (neither were base model), a 200 Series Sahara, a 120 series Prado Grande, a series 3 and a series 4 Land Rover Discovery.

Haha, with my secret weapon invisible and unexpected, the auto Lokkas transformed the Surf into the star of the day and embarrassed every other car in one way or another. The Land Rovers were the only competition due to the fact that they have every conceivable electronic traction aid ever invented, but they still couldn't match the smooth ascent ability created by the Lokkas.

I was astounded with the performance of the Lokkas and cannot praise them highly enough based on their first rigorous test.

While on the course, nothing ended up being a challenge thanks to the Lokkas. Hills where every other Toyota struggled, the surf walked up without spinning wheels or losing traction. I had to laugh though as it was embarrassing for the other buggers. It got to the point where nothing was stopping the car so I started picking the hardest possible lines forcing myself onto 2 wheels (opposing wheels front and back off the ground) continually, but still crawled up the hills at little more than an idle. Due to the lack of a challenge and as a joke, I actually slipped it out of 4 low and started doing the tracks in 2WD Hi (only the rear Lokka for traction) and it was still getting me up most hills with less spin than the others in 4WD.

I can easily see how a Lokka will reduce CV breakages in the front of an IFS equipped car, as wheel spin is basically non-existent when lifting wheels and you no longer need to get a run up with a heavy right boot to get up a hill full of wombat holes.

The highlight came at the end of the day when the lead instructor had a tricky track that they preferred only to be attempted by cars that have ascent driver assist aids. I was given "permission" to do it as I had seemed to be able to keep up throughout the day. The instructors set a simple challenge for this last obstacle and it was to try and get to the top and if you did, try to get to the top as slow and as controlled as possible but without ever stopping. Hahaha, I won that competition easily and showed up every car. It was easy because traction control systems are jerky due to the fact that the car has to wheel spin or stop before the car reacts to it and regains traction to continue. The Lokka prevented me from ever losing traction in the first place so was perfectly smooth without the jerky stop-start of the high-tech electronic aids.

We had spent the day watching each other attempt the challenges but by the end of the day, the other participants labelled me as boring to watch because I was crawling up hills so easily, not spinning wheels, was not revving the tits off my car spitting our rock and dirt damaging the track and my car to get up each hill.

Every hill got more difficult throughout the day and with each hill, my Lokka purchased was confirmed as money well spent. I could have bought a new set of tyres for the money I spent on getting Lokkas but I know that in a few years the tyres would be worn out and the Lokkas will still be going strong.

Oh yeah and finally, I have no affiliation with 4WD Systems but now think they F**KEN ROCK!!!!!




Dion B of TAS
Toyota LCR FJ40 1978

Can go places now in 2 that I had to use 4 for before, and go more places in 4 than I could before! Onroad performance is better than I expected, in my noisy cruiser I cant hear it! Very slightly different to drive, but not as bad as some would have you believe. Works well, I'm impressed, might even get one for the front yet!




Chris D
Thankyou extremely happy with the tank and that its been a pleasure to do business with you thankyou very much on a quality product.


Mick P of VIC
Toyota LCR 80 Series
got rear Lokka fitted... works a treat.. just got to get the front one done now.. i will let you know how it goes ….... LATER: hi.. both diff locks fitted... work a treat.. cheers