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Yep. My HA is diesel with the tow package so that nails it.

I just went outside and looked. Black knuckles, so cast iron. Mine’s a diesel so that might matter. Also, based on the sticker it also has the HD brakes. Confirmed it has dual piston calipers up front. Looks like I got lots of good toys from the factory.

Yep, my sticker says wide axles. I kinda figured they’d be aluminum.

I know the High Altitude comes with the wider axles, I’m assuming to give it a more stable ride. My question is do they have aluminum or iron knuckles? I’m planning on doing some minor upgrades. Rubi Fox shocks and either Falcon AT3W’s or BFG KO2’s. Just wondering what I have.

I’m at a whopping 1200 miles on the Gladiator and rolled 10k on the Silverado this week. 2nd service on the Silverado was performed by the dealer this week with a total cost of $136 including tire rotation and DEF top-off. The power of the Gladiator diesel is addictive. I was blasting around...

We have had our 2021 High Altitude diesel for almost a month and yes it wandered especially between 50 and 60. I noticed that the tires were pretty high (43lbs) from the factory. I dropped them today to 39 cold and that has really helped. Our Gladiator has light green tire stem caps so I’m...

I absolutely love my diesel JT and would pick the engine again in a heartbeat.

I can’t hear much of a difference at all. Maybe just a touch of turbo spooling noise. I’m assuming you haven’t noticed much performance difference? Any guess on how much weight was saved?

I also have two modern diesels including a Gladiator and so far I love both of them. The torque, mileage, and overall feel is awesome. I’d do it again in a heartbeat.

I haven’t had my diesel Gladiator long enough to need to do anything with DEF other than top it off (had about a 1/2 tank when we bought it new). However I’ve been driving a 1/2 ton Silverado with the 3 liter turbo diesel for 6 months now. Just shy of 10k miles (9700 and change) and I’ve just...

Very nice!

My diesel High Altitude has not had this issue yet. Just rolled 900 miles today on a mix of roads. No idea what springs I have as everything is bone stock. I can see about measuring the springs this week.

We bought our Gladiator off the lot. We tried to order one but with the specific options we wanted the dealer couldn’t. They tried to submit the order and it wouldn’t go. Called corporate and were told ”no dice”. I wanted a diesel and they had exactly one on the lot. A High Altitude in...

You’ll like both. Chip shortage is screwing everything up right now. I took advantage of Hotheads Memorial Weekend discount and picked up the sound assassin top kit. Hoping it kills some of the highway wind noise. I’ll be putting some stock size AT tires on this fall as well as the factory...

Nice! I have to say I am intrigued by the 4xe. Looks good!

I just picked up a Gladiator High Altitude Diesel about three weeks ago and i got a new ‘21 Silverado LT with the 3 liter turbo diesel in late December last year as my new company truck. I figured you guys might like to know how they compare. At this point I’ve got a whopping 850 miles on the...

I picked up a new 2021 High Altitude Diesel Gladiator about three weeks ago and I love it. My only real complaints are the minivan tires it came with and the wind noise. The tires will be dealt with later this year but I just ordered the “Sound Assassin” top kit from Hothead Headliners. My...

Just picked up a new diesel High Altitude last week. I absolutely love it, but the stock wimpy street tires have got to go. I’m at this point planning on sticking with the stock 275-55-20’s but want some AT’s. Anybody have experience and some pictures? Thanks much!