The Ford F-Series F-150 VII SuperCab, specifically equipped with the 4.9-liter inline-six engine producing 125 horsepower, represents a significant iteration in the long and storied history of Ford’s full-size pickup trucks. Produced from 1981 through 1986, this variant occupied a crucial position in the F-Series lineup, offering a balance between affordability, capability, and fuel economy for buyers who didn’t require the power of the larger V8 options. The seventh generation (1980-1986) of the F-Series marked a substantial redesign, focusing on improved aerodynamics, interior comfort, and a wider range of configurations, including the introduction of the SuperCab extended cab.
Technical Specifications
| Brand | Ford |
| Model | F-Series F-100/F-150 |
| Generation | F-Series F-150 VII SuperCab |
| Type (Engine) | 4.9 Six (125 Hp) |
| Start of production | 1981 |
| End of production | 1986 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5-6 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 125 Hp |
| Power per litre | 25.4 Hp/l |
| Torque | 339 Nm / 250.03 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 | 2858 kg / 6300.81 lbs. |
| Fuel tank capacity | 62-72 l / 16.38 – 19.02 US gal | 13.64 – 15.84 UK gal |
| Length | 5438-5850 mm / 214.09 – 230.31 in. |
| Width | 1778 mm / 70 in. |
| Height | 1791-1793 mm / 70.51 – 70.59 in. |
| Wheelbase | 3526-3937 mm / 138.82 – 155 in. |
| Wading depth | 732-734 mm / 28.82 – 28.9 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 | 3 gears, manual transmission |
| Front suspension | Independent coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Power steering | Electric Steering |
| Tires size | 225/75 R15; 235/75 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of this F-150 variant is the 4.9-liter (299 cubic inch) inline-six cylinder engine, often referred to as the “300 Six” despite its actual displacement. This engine, designated internally as the 300 I6, had been a mainstay of Ford’s truck lineup for decades, renowned for its durability and low-end torque. The 1981-1986 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 head, contributing to its robust nature. The 125 horsepower output was achieved at approximately 3,800 rpm, while peak torque of 250 lb-ft arrived at around 2,200 rpm. This configuration favored usability over outright speed. The standard transmission was a three-speed manual, designed to work in harmony with the engine’s torque curve. While an automatic transmission was available, it impacted the overall performance and fuel economy.
Driving Characteristics
The 4.9-liter engine and three-speed manual transmission combination provided a practical, if not exhilarating, driving experience. Acceleration was modest, but the engine’s strong low-end torque made it well-suited for hauling and towing. The gear ratios were optimized for work, prioritizing pulling power over quick acceleration. Compared to the V8 options available in the F-150 lineup – such as the 302 and 351 Windsor engines – the 4.9-liter was noticeably slower, especially when fully loaded. However, it offered a smoother, quieter ride and significantly better fuel economy. The manual transmission allowed for greater driver control, particularly when navigating challenging terrain or managing loads. The SuperCab configuration, with its extended cab, added versatility, providing additional seating and storage space.
Equipment & Trim Levels
The F-150 SuperCab with the 4.9-liter engine typically represented an entry-level or mid-range trim. Standard features included a basic interior with vinyl upholstery, a simple dashboard layout, and manual windows and locks. The SuperCab added a rear bench seat, increasing passenger capacity. Optional extras included air conditioning, an upgraded stereo system, cruise control, and various exterior trim packages. The interior was functional and durable, designed to withstand the rigors of daily use. The exterior styling was relatively basic, with minimal chrome accents. The focus was on providing a capable and affordable work truck.
Chassis & Braking
The F-150 VII SuperCab utilized a body-on-frame construction, providing a robust and durable platform. The front suspension featured independent coil springs, offering a comfortable ride, while the rear suspension employed leaf springs, designed to handle heavy loads. Brakes were disc on the front axle and drum brakes on the rear. Power steering was standard, making maneuvering the large truck easier. Tire sizes typically ranged from 225/75R15 to 235/75R15, providing a good balance between ride comfort and load-carrying capacity. The chassis was designed to prioritize durability and payload capacity over sporty handling.
Market Reception & Comparison
The F-150 SuperCab 4.9-liter was well-received by buyers seeking a practical and affordable full-size pickup. Critics praised its durability, fuel economy, and ease of maintenance. However, its lack of power compared to the V8 models was a common criticism. Compared to the 302 cubic inch V8, the 4.9-liter offered significantly better fuel economy – typically around 14-16 mpg in combined driving – but considerably less horsepower and towing capacity. The 4.9-liter was also generally more reliable than the early fuel-injected V8s, requiring less frequent repairs. This variant appealed to buyers who prioritized practicality and affordability over performance.
Legacy
The 4.9-liter inline-six engine has earned a reputation as one of the most durable and reliable engines ever produced by Ford. Many examples are still on the road today, a testament to their robust construction and simple design. The F-150 SuperCab 4.9-liter remains a popular choice among collectors and enthusiasts seeking a classic American pickup truck. Parts availability is generally good, and maintenance is relatively straightforward. In the used car market, these trucks typically command reasonable prices, making them an attractive option for buyers seeking a dependable and affordable work truck with a touch of vintage charm. The engine’s longevity and simplicity continue to make it a favorite among those who value reliability and ease of repair.
