The Ford F-Series F-150 VIII SuperCab, specifically equipped with the 4.9-liter inline-six engine and a four-speed automatic transmission, represents a significant iteration of America’s best-selling vehicle. Produced from 1986 to 1991, this configuration occupied a crucial position in the F-150 lineup, offering a balance of affordability, capability, and comfort for a broad range of buyers. This variant was part of the eighth generation of the F-Series (1987-1991), known for its modernized styling and improved features compared to its predecessor. The SuperCab designation indicated an extended passenger cabin, offering more space for families or crew members compared to the standard cab models.
Technical Specifications
| Brand | Ford |
| Model | F-Series F-100/F-150 |
| Generation | F-Series F-150 VIII SuperCab |
| Type (Engine) | 4.9 300 Six (145 Hp) Automatic |
| Start of production | 1986 |
| End of production | 1991 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 6 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 145 Hp |
| Power per litre | 29.5 Hp/l |
| Torque | 359 Nm / 264.78 lb.-ft. |
| Engine layout | Front, Longitudinal |
| Engine displacement | 4916 cm3 / 299.99 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Max. weight | 2835 kg / 6250.11 lbs. |
| Fuel tank capacity | 134-144 l / 35.4 – 38.04 US gal | 29.48 – 31.68 UK gal |
| Length | 5489-5898 mm / 216.1 – 232.2 in. |
| Height | 1826-1831 mm / 71.89 – 72.09 in. |
| Wheelbase | 3526-3937 mm / 138.82 – 155 in. |
| Wading depth | 795-798 mm / 31.3 – 31.42 in. |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Independent coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Power steering | Electric Steering |
| Tires size | 235/75 R15 |
| Wheel rims size | 6J x 15 |
Powertrain & Engine Architecture
The heart of this F-150 variant was the 4.9-liter (299 cubic inch) inline-six engine, commonly known as the “300 Six.” This engine, a mainstay of Ford trucks for decades, was renowned for its durability and low-end torque. The 1986-1991 version featured multi-port fuel injection, a significant upgrade from the carburetor systems of earlier years, improving fuel efficiency and responsiveness. The engine utilized a cast iron block and cylinder head, contributing to its robust nature. The automatic transmission was a Ford C6 three-speed automatic, known for its simplicity and strength. While not offering the most modern shift quality, it was well-suited to the engine’s torque characteristics and the truck’s intended use. The engine code for this configuration is often associated with variations like the 302, though the core 300 six remained consistent.
Driving Characteristics
The 145 horsepower and 265 lb-ft of torque delivered by the 4.9-liter engine and C6 automatic provided adequate, but not exhilarating, performance. Acceleration was modest, and passing maneuvers required planning. However, the engine’s strong low-end torque made it well-suited for hauling and towing. The automatic transmission’s gear ratios were optimized for work, prioritizing pulling power over quick acceleration. Compared to the available 5.0-liter V8, the 300 Six offered significantly less horsepower but a comparable amount of torque, albeit delivered at lower RPMs. The V8 provided a more refined driving experience with quicker acceleration, while the 300 Six prioritized fuel economy and reliability. Compared to the manual transmission options, the automatic reduced driver fatigue but sacrificed some control and fuel efficiency.
Equipment & Trim Levels
The F-150 SuperCab with the 4.9-liter engine and automatic transmission typically fell into the mid-range of available trim levels. Standard features included a basic interior with vinyl upholstery, a simple dashboard layout, and manual windows and locks. Air conditioning, a radio, and upgraded interior trim were commonly available as options. The SuperCab configuration added extra rear seating, making it a more practical choice for families or work crews. Higher trim levels, such as the XLT and Lariat, offered more luxurious features like cloth or leather upholstery, power windows and locks, and upgraded sound systems. The base models were often geared towards fleet and commercial buyers, prioritizing function over form.
Chassis & Braking
The F-150 VIII SuperCab utilized a body-on-frame construction, providing a robust and durable platform. The front suspension consisted of independent coil springs, offering a relatively comfortable ride. The rear suspension employed leaf springs, designed to handle heavy loads. Brakes were disc brakes in the front and drum brakes in the rear, a common configuration for trucks of this era. Power steering was standard, making maneuvering the large truck easier. Tire size was typically 235/75R15, providing a good balance of ride comfort and load-carrying capacity. Stabilizer bars were often optional, depending on the specific trim level and intended use.
Market Reception & Comparison
The F-150 SuperCab with the 4.9-liter engine and automatic transmission was generally well-received by buyers seeking a practical and affordable truck. Critics praised the engine’s durability and fuel efficiency, but noted its lack of outright power. Compared to the V8 options, this configuration offered a lower price point and better fuel economy, making it attractive to budget-conscious buyers. The automatic transmission was appreciated for its ease of use, particularly in stop-and-go traffic. However, some reviewers criticized its lack of responsiveness compared to manual transmissions. In terms of reliability, the 300 Six and C6 automatic were considered exceptionally durable, contributing to the F-150’s reputation for longevity.
Legacy
The 4.9-liter inline-six engine and C6 automatic transmission combination has proven to be remarkably durable over the long term. Many examples of these trucks are still on the road today, a testament to their robust construction. In the used car market, these F-150s are often sought after by those looking for a simple, reliable, and affordable truck. Maintenance is relatively straightforward, and parts are readily available. While not a high-performance machine, the 1986-1991 F-150 SuperCab with the 4.9-liter engine and automatic transmission remains a capable and dependable workhorse, embodying the spirit of the classic American pickup truck. Its enduring popularity speaks to the quality and practicality of this often-overlooked configuration.
