Max Tow Package

[Fastwake]

Yes Sir

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[Willpower1]

Yes Sir

Hmm. Unicorn maybe? Can you post a pic of the build sheet or window sticker?

 

[Fastwake]

Hmm. Unicorn maybe? Can you post a pic of the build sheet or window sticker?

When we get back to California. Taking a trip through Nevada, Utah and Arizona

 

[ShadowsPapa]

It's too heavy. That kills payload capacity. Low payload capacity means low towing capacity. The suspension is too soft also, they built it to ride like a Cadillac.



If that's with you in the truck, that's probably accurate.



Your Sport S has wide track axles? HD axle shafts? 850 watt cooling fan? 7,650 towing rating? Wider fenders? Trailer hitch zoom mode? 240 watt alternator?

Wide axles with the 3.73 ratio? Is there a level that even offers that? Or maybe the high altitude? What's it got for axles?
OTherwise, under a sport? Max tow is 4.10 with the wider axles, Rubicon of course, but the Sport and Sport S and Overland are all the less wide axles with 3.73
Unicorn indeed. I'd be surprised if such a combination was even available.

240 amp alternator comes with the normal towing package. My Overland has that. In fact, larger fan, alternator and cooling are all on anything with the tow package.

 

[ToJTornottoJT]

This is what you get with just the trailer package ($350)

• 240-Amp Alternator
• Class IV Receiver Hitch
• Heavy-Duty Engine Cooling
• Trailer Hitch Zoom

This is what comes with the Max Tow ($1245)

• Trac-Lok® Anti-Spin Rear Differential
• 4.10 Axle Ratio
• Heavy-Duty Dana 44 Wide Front Axle
• Heavy-Duty Dana 44 Wide Rear Axle
• Daytime Running Lamp System
• 240-Amp Alternator (Unavailable with some configurations)
• 245/75R17 All-Terrain Tires (Unavailable with some configurations)
• Class IV Receiver Hitch (Unavailable with some configurations)
• Heavy-Duty Engine Cooling (Unavailable with some configurations)
• Trailer Hitch Zoom (Unavailable with some configurations)

There is no badging for the Max Tow, so there is nothing saying Max Tow other than the sticker. The fenders are the tell for a Max Tow, they have an extra pc. due to the wider Axle.

and how many of those components do you get when you have a Rubicon with the tow package?

 

[ShadowsPapa]

and how many of those components do you get when you have a Rubicon with the tow package?

This is what comes with the Max Tow ($1245)

• Trac-Lok® Anti-Spin Rear Differential I have that
• 4.10 Axle Ratio
• Heavy-Duty Dana 44 Wide Front Axle
• Heavy-Duty Dana 44 Wide Rear Axle
• Daytime Running Lamp System I have that
• 240-Amp Alternator (Unavailable with some configurations) I have that
• 245/75R17 All-Terrain Tires (Unavailable with some configurations) I put on A/T tires
• Class IV Receiver Hitch (Unavailable with some configurations) I have that
• Heavy-Duty Engine Cooling (Unavailable with some configurations) I have that
• Trailer Hitch Zoom (Unavailable with some configurations) I have that

If you have the Rubicon, you have the 4.10 ratio and wide axles.
It's a lot more than THAT equipment that makes a "max tow".

 

[NachoRuby]

and how many of those components do you get when you have a Rubicon with the tow package?

If you have the Rubicon, you have the 4.10 ratio and wide axles.
It's a lot more than THAT equipment that makes a "max tow".

A Rubicon is 5050 lbs, and a max tow is 4712 lbs. That's 338 lbs, and already gives the Max Tow more towing capacity, if they did have the same GCVWR.

Max Tows have a bit more GCVWR, at 12800 vs 12450 (350 lbs.). But towing capacity is even further apart 7650 lbs. vs 7000 lbs (650 lbs). About 350 lbs of it is the weight difference, which makes sense, but the other 300 is something else. So part of the difference is that Rubicons are just heavy, but there must be more to it. Springs? Tires? Ride Height? Some combination thereof?

 

[ToJTornottoJT]

This is what comes with the Max Tow ($1245)

• Trac-Lok® Anti-Spin Rear Differential I have that
• 4.10 Axle Ratio
• Heavy-Duty Dana 44 Wide Front Axle
• Heavy-Duty Dana 44 Wide Rear Axle
• Daytime Running Lamp System I have that
• 240-Amp Alternator (Unavailable with some configurations) I have that
• 245/75R17 All-Terrain Tires (Unavailable with some configurations) I put on A/T tires
• Class IV Receiver Hitch (Unavailable with some configurations) I have that
• Heavy-Duty Engine Cooling (Unavailable with some configurations) I have that
• Trailer Hitch Zoom (Unavailable with some configurations) I have that

If you have the Rubicon, you have the 4.10 ratio and wide axles.
It's a lot more than THAT equipment that makes a "max tow".

I have the Rubicon with Tow Package and the Ecodiesel so I have:

the rear locker
heavy duty Dana 44’s front and rear
240-Amp alternator
Class IV hitch
Heavy-Duty Cooling
Trailer Hitch Zoom

i don’t have the DRL’s or the 4:10’s

 

[ShadowsPapa]

................ So part of the difference is that's Rubicon are just heavy, but there must be more to it. Springs? Tires? Ride Height? Some combination thereof?

Yes, and center of gravity, etc. you need payload capability to haul a heavy trailer as the tongue weight figures against the payload and no matter what people think about a WDH - it doesn't help you recover payload pounds. If the tongue weight is 700 pounds and your truck is loaded with 500 pounds of gear and your payload is 1200 - you're done.
It's a complex set of things that work as a system.
And then people that buy a Rubicon want that thing to articulate like nothing else can - your heavy springs for towing and payload won't help that situation.

 

[Hootbro]

When we get back to California. Taking a trip through Nevada, Utah and Arizona

What is your VIN? It can be looked up online by others.

 

[Plumbob]

My Sport S has EVERY Max tow option except for the 4:10 rear end I don’t tow much so I would rather have the 3:73.

My max tow has Gitty up and go. It has a lot more balls than stock 3.73 gives you.

 

[Murgatroid]

My max tow has Gitty up and go. It has a lot more balls than stock 3.73 gives you.

I agree, I'm quick off the line.

 

[ShadowsPapa]

I agree, I'm quick off the line.

That's what lower gears do - it's a given. No mystery or news there. So one could say "Duh". It's why those who have stock 2.87 gears in the automatic Javelin and AMX put 3.54 or even 4.10s in. It's a bigger duh with a stick because at least with the automatic, the torque converter takes over. I've got 3.15 gears in my 73 but a 2400 stall converter in it and can launch that thing leaving others in the dust - especially those who pull into the disappearing lane on a ramp thinking they're going to blow around me when the light changes.

 

[The White Rabbit]

That's what lower gears do - it's a given. No mystery or news there. So one could say "Duh". It's why those who have stock 2.87 gears in the automatic Javelin and AMX put 3.54 or even 4.10s in. It's a bigger duh with a stick because at least with the automatic, the torque converter takes over. I've got 3.15 gears in my 73 but a 2400 stall converter in it and can launch that thing leaving others in the dust - especially those who pull into the disappearing lane on a ramp thinking they're going to blow around me when the light changes.

What does that even mean? (Says the newb)

 

[ShadowsPapa]

What does that even mean? (Says the newb)

Lower gear ratio (higher numerical numbers) mean your engine is running at a higher RPM taking off, thus has more torque to get things moving, so it gets moving faster.
A high stall converter means the torque converter doesn't grab or hold until the engine RPM is up to around 2400 in my case - I have to wind the engine up before it really grabs meaning I'm already revved up high.
Low ratios have higher numbers - like the Jeep 4.10 : 1 ratio where higher gear ratios have lower numbers like the Jeep 3.73 : 1 where the pinion or driveshaft turns 3.73 rotations for every 1 of the axle.
Higher ratios - lower numerically - give better MPG on the highway because the engine can run slower, lower ratios, like the 4.10, mean more lower end "grunt", taking off faster and such, but the engine runs faster on the highway.

My 73 was built as a race car by the prior owner so he put in a high stall torque converter, it's an automatic, so the engine builds up some speed, and gets into its power band before taking off. You punch it, the engine winds up and you GO. It's fun but not real practical in city driving. On the other hand, no one gets ahead of me at stop lights.

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