Custom 4x4-Converted 1975 Toyota Chinook

Description

When the Toyota Chinook debuted in the 1970s, it offered a compact, more fuel-efficient alternative to the full-size Recreational Vehicles of the era. Built by the Chinook Mobilodge Company on the two-wheel drive Toyota Pickup (Hilux) variant chassis, these micro-motorhomes featured pop-top roofs, integrated kitchenettes, and convertible dinettes—making them ideal for adventurous minimalists.

This 1975 Toyota Chinook is a custom-built four-wheel drive example, the result of a claimed two-year garage project inspired by the concept of what an original Chinook-built 4WD version might have looked like. The seller states it was constructed using as many OEM Toyota components as possible, blending period-correct aesthetics with added off-road capability. The seller, who carried out the 4WD conversion, enthusiastically shares it’s since been used extensively across California—including a recent trip to Monterey featured in Hagerty Magazine’s Travels with Beano. When not road tripping, it’s served as a mobile office and surf rig, often parked beachside for Zoom calls between wave sessions.

Finished in its original color scheme with period-correct details throughout, the Chinook retains its classic charm while benefiting from mechanical and cosmetic upgrades. While the five-digit odometer tallies 16,467 miles, true mileage remains unknown due to assumed rollover—the seller also suspects the engine is a replacement, though no documentation is available.

With its era aesthetics inside and out, commitment to Toyota component modifications where possible, and routine mechanical servicing, this custom Chinook stands as a compelling revisionist interpretation of what a historically accurate four-wheel drive option might have looked like in 1975—melding Toyota’s utilitarian engineering with period camper styling to create a uniquely capable and era-authentic adventure rig.

Highlights 

• Custom-built 4x4 conversion using OEM Toyota components where possible 

• Powered by a 2.2L (20R) inline-four with Weber-style 38/38 carburetor 

• Four-speed manual (L45) transmission with gear-driven RF1A transfer case 

• Refinished in Moon White with green and gold Chinook stripes 

• Featured in Hagerty Magazine’s “Travels with Beano” 

• The chassis number (RN28011184) decodes as: 

  • R – Indicates the 20R engine, a 2.2L SOHC inline-four 

  • N – Denotes the pickup truck body style 

  • 2 - Corresponds to the second generation of the Toyota Hilux/Pickup 

  • 8 – Designates a rear-wheel-drive (RWD) truck with a long bed 

  • 0 – Check digit or internal designation 

  • 11184 – Sequential production number 

Features 

• Chassis & Drivetrain: 

  • Smog-exempt Toyota 20R inline-four with a 38/38 Weber-style two-barrel carburetor 

  • 1994 Toyota IFS steering box with custom crossover Hi-Steer setup 

  • Recently serviced hubs and brakes (disc front, drum rear) 

  • New off-road shocks up front; air shocks in the rear 

  • 1982 Toyota L45 four-speed manual transmission 

  • Professionally executed solid axle 4x4 conversion 

  • All fluids recently changed and systems serviced 

  • Brand new 235/75R15 Vredestein off-road tires 

  • Gold-painted 1982 Toyota 15” steel wheels 

  • Matching 1982 Toyota front and rear axles 

  • New 2.25" Magnaflow exhaust system 

  • Original 1975 Toyota RN28 frame 

  • Rebuilt and balanced driveshafts 

  • RF1A gear-driven transfer case 

• Body & Exterior: 

  • Full body refurbishment completed in late 2023, repainted in original color scheme with period-correct graphics 

  • Transmission tunnel repaired, reshaped, and sealed to accommodate transfer case 

  • Integrated limb risers/fender supports tied into inner fender structure 

  • Custom front fenders with integrated 1982 Toyota 4x4 steel flares 

  • All rust professionally removed and replaced with new metal 

  • All floors inspected, repaired, or replaced as needed 

  • Rebuilt roof structure and pop-top lift mechanism 

  • Custom-fabricated tubular rear step bumper 

  • Custom rock slider-style steel rocker panels 

  • All new body and glass seals throughout 

• Cab & Camper Interior: 

  • Five-gallon onboard water tank with working sink and high-pressure rinse hose for outdoor use 

  • Refurbished two-burner stove converted to 1lb propane bottles (stored in shell compartment)

  • Fully reupholstered camper interior in green, white, grey, and brown tones 

  • Custom Sunbrella marine canvas pop-top tent with screened windows 

  • Original 1982 Toyota corduroy front bucket seats in excellent condition

  • Backup camera with display integrated into former ashtray location 

  • Refinished original kitchen cabinetry, countertop, and icebox 

  • Includes optional child’s hammock for pop-top sleeping area 

  • Custom-built rear bench seating with under-seat storage 

  • New carpet in cab; durable laminate flooring in camper 

  • Fold-away interior surfboard rack (fits up to 10’ board) 

  • Aftermarket Bluetooth stereo with hands-free calling 

  • Removable wall-mounted propane heater for camper 

  • Integrated USB and high-amp USB-C charging ports 

  • All-new cabin wiring with LED lighting throughout 

  • Stow-away desk/table for remote work setup 

  • Custom headliner matching rear upholstery 

  • New deep-cycle cabin battery with isolator 

  • Converts to a full-size bed for two adults 

  • Brown vinyl door panels and dash insert 

  • Working cab heater and fresh air vents 

  • Built-in shore power hookup 

  • Refinished dash pad 

 Known Imperfections 

• Factory air conditioning inoperable (components intact, but belt removed and service required) 

• Scratch in paint and side window trim over passenger side camper window (visible in photos) 

• Three small rock chips in the windshield that have been repaired but are still slightly visible 

• Paint imperfections congruent with regular road use since refurbishment in 2023 

• Original driver seat bolsters and seat cover show wear 

Included 

• Additional removable accessory interior surf rack that holds two surfboards vertically on the floor (mounts between front seats) 

• Removable kids' hammock that goes in the tent portion of the roof 

• Wall mounted propane heater for camping 

• Spare wheel   

Ownership History 

Located in Southern California, this custom 4x4-converted 1975 Toyota Chinook is now smog-exempt and being offered with a clean California title. Built over two years by the current owner to resemble a factory-style 4WD Chinook, this custom rig uses period-correct Toyota components throughout. It’s been actively enjoyed across California, including a Monterey road trip featured in Hagerty Magazine, and regularly serves as a beachside mobile office and surf rig.