• Home
• RVs for Sale
• Wisconsin
• Brown
• De Pere
• 1989 G20

For sale by owner - 1989 Chevrolet G20 Camper Full Class B RV conversion. Excellent condition. 68,500 true miles.

1989 Roadtrek 190 Popular Full Class B Motorhome

Perfect balance of interior space and exterior size. Manufactured on a Chevy chassis, the 190 Popular model is a pleasure to drive and easy to park.

- 1989 Chevrolet G20 3/4-ton van, 125" long wheelbase

5.7L 350 V8 TBI engine, 4-speed auto, RWD

Built at Lordstown, OH

GVWR 7000 lbs the heavy-duty base most camper up-fitters ordered

1. Over-cab bunk: The front bed over the driver/passenger seats is classic Class B its a Roadtrek/Great West Vans/Class B signature

2. Wet bath: A real toilet behind the galley. That means fresh/gray/black tanks

3. Full galley: 2-burner propane stove, sink, microwave, mini fridge. Plus range hood venting outside

4. High-top fiberglass roof: For standing room + the over-cab bunk

5. Systems: Roof A/C unit, modern mini-split A/C added, 110V outlets everywhere

Road-trek 190 Popular floor plan from 1989 perfectly. Roadtrek was the biggest builder on G20s and used that exact three windows per side shell.

It is the holy grail combo: G20 350 V8 + Roadtrek Class B layout. Self-contained with toilet, shower, kitchen.

That over-cab bunk is gold sleeps 2 adults up top, 2 on the sofa. Sleeps 4 total.

1989 = TBI fuel injection, not carb. Way more reliable for road trips.

Exterior

High-top fiberglass roof: Added 18"-24" of headroom so you could stand. White with a center ridge

Running boards + ground effects: Fiberglass side skirts and step bars were the 80s look

RV windows: Tinted jalousie and slider windows instead of cargo panels

Hookups: 30-amp shore power inlet, city water hookup, exterior shower.

Base: 1989 Chevrolet G20, 125" long wheelbase, RWD

Overall length: 19' 6"

Engine: 5.7L 350 V8 most common; 4-speed auto 700R4 OD

GVWR: 6,600 lbs range

Roadtrek three windows: 3 large tinted windows per side for natural light

High-top fiberglass roof: Adds standing room, clean sleek lines

Exterior storage: Locking compartments on driver side

Hookups: 30-amp shore power, city water, exterior shower

Awning: 11-ft side awning standard

Updated Electrical System

its set up for modern off-grid + shore power.

Heres whats happening:

1. Shore Power Hookup

30-amp inlet on driver side, same as original Roadtrek

Plug into campground pedestal powers everything 120V: microwave, Cosori oven, A/C units, outlets, fridge

Also charges your batteries through a converter/charger

2. Battery Bank

Updated 2 lithium house batteries.

3. Inverter

Youve got 120V outlets + that Cosori oven + residential mini fridge

a 2000W-3000W pure sine inverter

under the sofa

Lets you run microwave/oven/TV off batteries without shore power

4. Solar

400W on the high-top roof

Solar charge controller feeds batteries, MPPT type

Keeps fridge running 24/7 off-grid

Off grid a/c and heat

5. A/C Power

updated roof A/C: ,shore power or solar charged system to run

Mini-split added: That white wall unit is new. These are 12V or 120V high-efficiency, can run off inverter + big battery bank for a few hours

Vents: MaxxAir fan in the roof replaces old crank vent runs on 12V

6. 12V System

Lights, water pump, fridge control board, USB outlets, furnace fan all still run on 12V from house batteries or shore power

Fuse panel upgraded and relocated during renovation

Updated Water System

The galley + visible toilet means the original tanks/plumbing are still the backbone, just modernized:

1. Fresh Water

Tank: 22 gal under floor, mid-ship.

Fill: Gravity fill port on driver side + city water hookup for direct campground connection with extra fresh water hold

Pump: 12V style pump replaced with a quieter modern one

3. Gray Water

Tank: 15 gal under floor for sink + shower drain

Dump: Still uses the original drain valve under the van, driver side rear

4. Black Water

Toilet: Thats a residential-style foot-flush toilet updating the OG plastic RV toilet

Tank: 10 gal black tank directly below it.

Dump: Same valve as gray, different pipe. Classic 3" slinky connection

Excellent self-contained, solar powered or shore powered off grid classic home away from home. Updated also with the Apple CarPlay system, including Bluetooth throughout and rear back up cameras with auto lighting.

Ready for sale, clean title, title in hand.