"Rumor" has it that they have one for the diesel, but they don't advertise it because it will only work with a weight reduction system.I just looked up the long range America tank and says it's not compatible with the diesel. Is yours a diesel?
Definitely would be nice to get a longer range.

That side kick is the solution I needed to make my planned hemi swap work! I just couldn't justify the LRA aluminum one cus of the weight and how low it sits. I would have smacked it on everything and it cost an insane amount to just carry fuel and a transfer pump.I installed an in-bed auxiliary fuel tank in our 2015 and 2020 Ram EcoDiesel, but I didn't want to do the same in the Gladiator. I'm planning to carry a portable fuel cell in the Gladiator when I travel in remote places, then use a battery transfer pump to transfer the fluid. It's not the most ideal situation, but it's better than nothing and it would only be used on rare occasions.
I love the auxiliary tanks in my Ram trucks, though. They are auto fill and make it super convenient, clean, and easy.
Titan does make a 15-gallon tank for th Jeep Gladiator. TITAN Gladiator Sidekick Tank (5060015) (titanfueltanks.com)
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Question on the transfer pump. I find everytime I am transferring gas I get it on my hands somehow and I have to deal with the stink for an hour. Does the transfer pump generally allow you to keep clean while transferring fuel?Please note this thread was posted in the diesel section, people
FWIW I have one of these semi-permanently mounted in the bed, with a simple electric stick transfer pump. Cheap, easy, works for me. It’s a bit to tall to fit under some tonneaus though.
I hope they have reworked it so it'll sit on the driver's side, resting on the wheelweel, and also maybe an inch slimmer so it'll be the same width as the wheelwell. My drawer is against the wheelwell. If that's the case, I'll definitely be putting an order in. I'm so tired of the rotopax.Titan says “NEW MODEL COMING IN THREE WEEKS!”about the Gladiator-specific Sidekick. Really curious what that ends up being.
Their current Gladiator-specific model is intended to mount on the passenger side, which is kind of a pain. I got the generic rather than the Gladiator-specific kit (which is just a different mounting bracket anyway) and mounted on the driver side. Short video about it here. There’s a little bit of lost space, which I end up using anyway. Not a big deal.
The blue nitrile gloves are good for that type of use. I get them at Sam's Club for about $10 for a box of 200. I have a pair of work gloves I keep inside the back door. They work well to keep my hands clean when just filling the tank and washing the windows.Question on the transfer pump. I find everytime I am transferring gas I get it on my hands somehow and I have to deal with the stink for an hour. Does the transfer pump generally allow you to keep clean while transferring fuel?