SumoSpring vs Timbren Recommendation for 2017 Ram ProMaster 3500 RV Chassis

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Question:

I have an RV on a Ram Promaster 3500 chassis and would like to add either the Sumo or Timbren on the rear suspension. Any advantage of one over the other?

asked by: Tom H

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Expert Reply:

For RV applications the SumoSprings tend to be the better choice as they are less harsh than the Timbrens. Because of that I would recommend the part # SSR-313-40 which is a confirmed fit for your 2017 Ram ProMaster 3500 chassis. This is the lightest duty kit available which is the way to go since the higher rated kits are going to make the ride a bit harsher.

expert reply by: Jameson C

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Answer 1

We do! I recommend checking out the Thule Van Locks #TH309833 which install on the outside of your doors. These locks require a key to unlock, but then they lock in place with a push-button feature so it's quick and easy to secure the locks in…

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Answer 2

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Answer 3

For a 3,000 watt inverter you'll need a 300 amp hour lithium battery like the Go Power Sun Cycle Advanced Lithium RV Battery item #GP26QR.

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Answer 4

Hey Jeffrey thanks for your questions. Based on the specs I can find online, the GP-PMW-10-SQ controller is only capable of 190 watts, so you would not be able to simply replace the 100W panel with a 200W panel. It looks like you are on the right…

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Answer 5

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Answer 6

Hello James, I am at a loss why Draw-Tite #75882 classified theirs as a class 4, it can handle the same weight as the Curt #C13207. The most concealed hitch would be the Curt #C13295, but it has the lowest towing weight so I am crossing that one off…

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Answer 7

I got some information from Yakima and included a diagram of the EXO SwingBase #Y34VR, which is the base part for the EXO SwingBase 2 Tier #Y82VR. Though the measurement from the pin hole to the closest edge of the carrier is not included in said…

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Answer 8

What you have there is a Curt class 3 trailer hitch. You are correct that it is the standard 2" receiver. This is very common to see on the Ram Promaster vans like your 2021 Winnebago Travoto. The Yakima EXO Swing Away Storage System w/ 2…

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Answer 9

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Answer 10

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 11

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 12

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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SumoSpring vs Timbren Recommendation for 2017 Ram ProMaster 3500 RV Chassis

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