1951 GMC 250 Panel: Inline-Six Power with Overdrive

1951 GMC 250 Panel: Inline-Six Power with Overdrive

Full details & bid : bringatrailer.com

This 1951 GMC 250 one-ton panel truck offers a unique blend of vintage charm and practical utility. Originally used for transporting bicycles, this classic panel truck is powered by a reliable 228 cubic inch inline-six engine paired with a four-speed manual transmission and a Gear Vendors overdrive unit for enhanced cruising. While showing some signs of age and use, including a previous green refinish and a customized interior with later-model bucket seats, this GMC 250 retains its character and functionality, offering a glimpse into the commercial vehicles of the early 1950s. Recent mechanical work, including a replaced transmission and clutch components, suggests it’s ready for further enjoyment.

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Engine and Performance: The heart of this 1951 GMC 250 is a sturdy 228 cubic inch inline-six engine, factory rated at approximately 100 horsepower. Known for its durability and smooth operation, this engine provides adequate power for hauling and cruising. The four-speed manual transmission offers a traditional and engaging driving experience, further enhanced by the addition of a Gear Vendors overdrive unit. This overdrive allows for reduced engine RPMs at higher speeds, potentially improving fuel economy and making for a more relaxed driving experience on longer journeys. Recent replacement of the transmission and clutch components indicates attention to its mechanical well-being.

Exterior Features: The truck was refinished in green in 2008, giving it a distinctive appearance. Exterior details include a classic split windshield, dual side mirrors for visibility, functional running boards for easier access, and turn signals for safety. The rear features ambulance-style doors, providing wide access to the cargo area. The truck rides on 16.5″ steel wheels fitted with hubcaps and 9.50-series Firestone Transforce HT tires. It’s worth noting that the windshield wipers and door locks are currently not functional, and the side windows have cracks and do not fully roll up. Photos also show bubbling and cracked paint in areas.

Interior and Cargo Area: The cabin has been updated with later-model bucket seats upholstered in gray, offering more individual comfort than the original bench seat. Interior features include a locking glovebox for secure storage, manual windows, a cabin heater for colder climates, and a wireless back-up camera for added safety during reversing. The seller mentions sound-deadening carpets in the front cabin. The cargo area is functional, featuring a wood plank flooring and a convenient Highway Products aluminum slide-out tray, making loading and unloading easier. The battery has been relocated behind the passenger seat to accommodate the slide-out tray. It is noted that the door handles are missing, and rust is present in the bottom of the doors.

Mechanical Notes: The electrical system has been converted to a more modern 12-volt setup, likely improving the reliability and brightness of lights and the functionality of accessories. A rear main seal leak is noted, which is a common issue in older vehicles. Braking is handled by drum brakes at all four corners, last serviced in 2014. An aftermarket muffler has been fitted, potentially altering the exhaust note. Corrosion on underside surfaces is visible in photos, indicative of the truck’s age and use. The non-functioning instrumentation includes an odometer that has previously rolled over and is now stopped at 16,048 miles, making the total mileage unknown.

Summary:

  • Powered by a 228ci inline-six engine.
  • Four-speed manual transmission.
  • Gear Vendors overdrive unit installed.
  • Refinished in green.
  • Later-model gray bucket seats.
  • Wood-lined cargo floor with slide-out aluminum tray.
  • Ambulance-style rear doors.
  • 12-volt electrical system conversion.
  • Replaced transmission and clutch components (2024).
  • Aftermarket muffler fitted.

Disclaimer: Information provided is for general informational purposes only and is based on available details. Potential buyers are advised to conduct their own thorough inspection and verification of any vehicle.

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