Photo of Rv
Photo of Rv
Photo of Rv
  • Price: $89,997
  • Year: 2023
  • Model: Promaster 3500EXT
  • Property ID: 6991333
  • Partner ID: 5037608583
  • Posted On: Nov 18, 2025
  • Updated On: Nov 18, 2025

RV Description

The Winnebago Solis 59PX is a Class B motorhome built on a RAM ProMaster 3500 chassis, featuring a pop-top roof for extra sleeping space, a flexible dinette that converts to a bed, a wet bath, and a Cummins Onan generator. It offers all-season insulation, a Truma Combi Eco heating system for year-round camping, and a 220-watt solar panel for off-grid capabilities. The "59PX" designation indicates the model is built on the extended RAM ProMaster 3500 chassis with a high roof and includes an extended wheelbase.

Key Features
Chassis: Built on a RAM ProMaster 3500 EXT (extended wheelbase) with a high roof.
Pop-Top Roof: Expands sleeping space with a FROLI sleep system, which can be removed if desired.
Sleeping Capacity: Can sleep up to four people.
Convertible Dinette: A versatile table and seating area that converts into a bed.
Wet Bath: Includes a shower and cassette toilet in a combined space.
Generator: Equipped with a quiet Cummins Onan QG 2800i gas generator.
Solar Power: Features a 220-watt flexible surface solar panel for off-grid power.
All-Season Capability: Designed with premium insulation and plumbing for year-round use.
Heating: A Truma Combi Eco heating system provides quiet, efficient heat.
Storage: Offers flexible storage options, including dedicated L-track storage in the extended wheelbase model.
Differences from the Solis 59P
The 59PX is on the longer RAM ProMaster chassis.
It has a dedicated L-track storage space on the extended wheelbase.

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