1986-1991 Ford F-Series F-150 VIII SuperCab 4.9 300 Six (145 Hp) 4×4

The Ford F-Series F-150 VIII SuperCab, specifically equipped with the 4.9-liter inline-six engine producing 145 horsepower and a four-wheel-drive drivetrain, represents a significant iteration in Ford’s long-running and immensely popular F-Series pickup truck lineage. Produced from 1986 to 1991, this variant occupied a crucial position in the lineup, offering a balance of affordability, capability, and practicality for a broad range of buyers. It was part of the eighth generation of the F-Series (1987-1991), known for its modernized styling and improved features compared to its predecessors. The SuperCab configuration, denoting an extended cab, provided increased passenger space, making it suitable for both work and family use.

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) 4×4
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 144 l / 38.04 US gal | 31.68 UK gal
Length 5898 mm / 232.2 in.
Height 1880 mm / 74.02 in.
Wheelbase 3937 mm / 155 in.
Wading depth 843 mm / 33.19 in.
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 4 gears, manual transmission
Front suspension Independent coil spring
Rear suspension Leaf 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 is the 4.9-liter (299 cubic inch) inline-six cylinder engine, often referred to as the “300 Six.” This engine, a mainstay of Ford trucks for decades, is renowned for its durability and low-end torque. The 145 horsepower output was achieved through a multi-port fuel injection system, a significant upgrade from the carburetor-equipped engines of earlier years. The engine’s robust cast-iron block and simple valvetrain design contributed to its longevity. The four-speed manual transmission was the standard offering, providing direct control over the engine’s power. This transmission was chosen for its reliability and suitability for both on-road and off-road driving. The 4×4 system employed a transfer case allowing the driver to switch between two-wheel drive and four-wheel drive, enhancing traction in challenging conditions.

Driving Characteristics

The 145 hp 4.9L engine, coupled with the manual transmission, delivered a driving experience focused on utility rather than outright speed. Acceleration was modest, but the engine’s substantial low-end torque made it well-suited for hauling and towing. The four-speed manual transmission provided a reasonable range of gear ratios, allowing the driver to keep the engine in its optimal power band. Compared to the optional V8 engines available in the F-150 lineup, this inline-six offered less horsepower and quicker acceleration. However, it provided better fuel economy and a simpler, more reliable powertrain. The 4×4 system, when engaged, provided enhanced traction on loose surfaces, making it a capable off-road vehicle. The ride quality, typical of body-on-frame trucks of this era, was firm but acceptable for everyday use.

Equipment & Trim Levels

The F-150 VIII SuperCab 4.9 300 Six 4×4 typically came with a fairly basic level of standard equipment. This included a vinyl bench seat, a basic AM/FM radio, and manual windows and locks. The SuperCab configuration added extra rear seating, increasing passenger capacity. Optional extras included air conditioning, a more powerful stereo system, upgraded interior trim, and various towing packages. The trim level could vary, with options like the XL, XLT, and Lariat offering progressively more features and luxury. The XLT trim, for example, often included features like color-matched exterior trim, upgraded upholstery, and a tilt steering wheel. The target audience for this variant was buyers who needed a capable and reliable truck for work or recreation, but who were also mindful of cost.

Chassis & Braking

The F-150 VIII SuperCab utilized a traditional body-on-frame construction, providing a robust and durable chassis. The front suspension featured independent coil springs, offering a degree of ride comfort. The rear suspension employed leaf springs, which were well-suited for carrying heavy loads. The braking system consisted of disc brakes on the front wheels and drum brakes on the rear. Power steering was standard, making it easier to maneuver the large truck. The tires, typically 235/75 R15, were chosen for their balance of on-road and off-road performance. The chassis and braking system were designed to handle the truck’s gross vehicle weight rating (GVWR) and provide adequate stopping power in various conditions.

Market Reception & Comparison

The F-150 VIII SuperCab 4.9 300 Six 4×4 was generally well-received by critics and buyers alike. It was praised for its reliability, durability, and affordability. While not the fastest or most luxurious truck on the market, it offered a compelling combination of features and capabilities for its price point. Compared to the V8-powered F-150s, this inline-six variant offered better fuel economy, making it a popular choice for buyers who did a lot of driving. Its simplicity also meant lower maintenance costs. However, it lacked the power and acceleration of the V8 models, which were preferred by those who needed to tow heavy loads or drive in demanding conditions.

Legacy

The 4.9-liter inline-six engine has earned a reputation as one of the most reliable and long-lasting engines ever produced by Ford. Many examples of this engine are still in service today, often with hundreds of thousands of miles on the odometer. The F-150 VIII SuperCab 4.9 300 Six 4×4 remains a popular choice among collectors and enthusiasts, particularly those who appreciate its simplicity, durability, and classic truck styling. In the used car market, these trucks are often sought after for their affordability and potential for restoration. The combination of a robust powertrain, a capable 4×4 system, and a spacious SuperCab configuration makes this variant a versatile and enduring vehicle.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top