Key 1951 Ford F-5 Specifications:
- Engine: 239 cu in "Flathead" V8 (100-106 hp) or 226 cu in "Flathead" 6-cylinder.
- Transmission: 4-speed Spur Gear manual transmission.
- GVW Rating: 14,000 lbs. (Tractor-trailer up to 24,000 lbs.).
- Wheelbase: Available in 114, 122, 134, and 158 inches.
- Brakes: 12-inch x 2-inch drum brakes (rear 7.81 x 2.5 inch).
- Design Changes: 1951 introduced a new "three-way" ventilation system, redesigned dashboards, and a larger rear window
- Five Star Cab: Standard equipment included 3-way ventilation, an adjustable seat, and dual wipers.
- Five Star Extra Cab: Included extra insulation, foam rubber seating, a dome light, and dual horns.
- "Power Pilot" System: A new vacuum-controlled spark system was added to improve fuel efficiency based on load.
- Frame: Tapered frame (5.92–6.0 inch depth) designed with bridge-like construction for heavy loads.