The Ford F-Series F-250 VI SuperCab, equipped with the 4.9-liter (300 cubic inch) inline-six engine producing 113 horsepower, represents a significant workhorse offering from Ford during its sixth generation (1973-1979). Introduced in 1975 and continuing through 1979, this configuration occupied a crucial entry-level position within the F-250 lineup, appealing to buyers prioritizing durability and affordability over outright performance. The SuperCab designation indicated an extended passenger cabin, offering increased space compared to the standard cab models, making it suitable for both work and family use. This variant played a key role in solidifying the F-Series’ dominance in the American pickup truck market.
Technical Specifications
| Brand | Ford |
| Model | F-Series F-250 |
| Generation | F-Series F-250 VI SuperCab |
| Type (Engine) | 4.9 300 Six (113 Hp) |
| Start of production | 1975 |
| End of production | 1979 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 6 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 113 Hp |
| Power per litre | 23 Hp/l |
| Engine layout | Front, Longitudinal |
| Engine displacement | 4916 cm3 |
| Engine displacement (cu. in.) | 299.99 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 101.6 mm |
| Cylinder Bore (in.) | 4 in. |
| Piston Stroke | 101.09 mm |
| Piston Stroke (in.) | 3.98 in. |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated engine |
| Max. weight | 3674 kg |
| Max. weight (lbs.) | 8099.78 lbs. |
| Trunk (boot) space – minimum | 1727-2084 l |
| Trunk (boot) space – minimum (cu. ft.) | 60.99 – 73.6 cu. ft. |
| Length | 5362-5773 mm |
| Length (in.) | 211.1 – 227.28 in. |
| Wheelbase | 3531-3937 mm |
| Wheelbase (in.) | 139.02 – 155 in. |
| Wading depth | 673-678 mm |
| Wading depth (in.) | 26.5 – 26.69 in. |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 3 gears, manual transmission |
| Front suspension | Independent coil spring |
| Rear suspension | Leaf spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Power steering | Electric Steering |
| Tires size | 215/85 R16.5 |
| Wheel rims size | 16.5 |
Powertrain & Engine Architecture
The heart of this F-250 variant was the 4.9-liter (300 cubic inch) inline-six engine. This engine, known internally as the 300 I6, was a long-stroke design renowned for its exceptional durability and low-end torque. It featured a cast-iron block and cylinder head, and utilized a single two-barrel carburetor for fuel delivery. The valvetrain employed a conventional pushrod configuration. While 113 horsepower might seem modest by modern standards, the engine produced a respectable 220 lb-ft of torque, making it well-suited for hauling and towing. The standard transmission was a three-speed manual, designed to complement the engine’s torque curve. The engine’s longitudinal front-engine layout was typical for trucks of this era, driving power to the rear wheels.
Driving Characteristics
The F-250 with the 4.9-liter engine and manual transmission offered a utilitarian driving experience. Acceleration was not its strong suit, but the engine’s torque allowed for confident towing and hauling capabilities. The three-speed manual transmission provided adequate gear ratios for most driving situations, though it lacked the versatility of more modern transmissions. Compared to the optional V8 engines available in the F-250, this inline-six offered significantly less power, resulting in slower acceleration and a lower top speed. However, it also provided better fuel economy and a simpler, more robust mechanical design. The leaf spring rear suspension provided a firm ride, particularly when the truck was loaded, but it was well-suited for carrying heavy payloads.
Equipment & Trim Levels
The F-250 SuperCab 4.9 was generally positioned as a work-oriented trim. Standard features typically included a basic vinyl interior, a simple dashboard layout, and manual windows and locks. The SuperCab configuration added extra rear seating, increasing passenger capacity. Optional extras included upgraded interior trim, a radio, and various towing packages. The focus was on functionality and durability rather than luxury. The SuperCab body style itself was a significant upgrade, offering more interior space and versatility compared to the standard cab models.
Chassis & Braking
The F-250 chassis was a robust body-on-frame design, built to withstand heavy use. The front suspension utilized independent coil springs, providing a relatively comfortable ride for a heavy-duty truck. The rear suspension employed leaf springs, which were well-suited for supporting heavy loads. Braking duties were handled by disc brakes at the front and drum brakes at the rear. Power steering was available as an option, making maneuvering the large truck easier. The standard tire size was 215/85 R16.5, providing a good balance of traction and durability.
Market Reception & Comparison
The F-250 with the 4.9-liter engine was well-received by buyers who prioritized affordability and reliability. Critics acknowledged its modest power output but praised its durability and low operating costs. Compared to the V8-powered F-250s, this variant offered a lower price point and better fuel economy, making it an attractive option for those who didn’t require maximum towing capacity or performance. The 300 I6 engine was known for its longevity, often outlasting the more complex V8 engines. This made it a popular choice for fleet buyers and individuals who planned to keep their trucks for many years.
Legacy
The 4.9-liter inline-six engine continued in production for decades, becoming a legendary powerplant in Ford trucks. The F-250 SuperCab 4.9 remains a popular choice among collectors and enthusiasts today, prized for its simplicity, durability, and classic American truck styling. While not the fastest or most luxurious truck of its era, it represents a solid and dependable workhorse that played a significant role in shaping the Ford F-Series’ reputation for toughness and reliability. Well-maintained examples are still found in regular use, a testament to the engine’s inherent robustness. The relative simplicity of the engine also makes it easier and more affordable to maintain compared to more complex, modern powertrains.
