---
title: "1975 Ford F-100: Catalytic Converter Era Specs & Values | fordf100s.com"
description: "The 1975 Ford F-100 adopted catalyst-era emissions equipment and unleaded fuel, with engine output dependent on GVWR and calibration."
canonical_url: "https://www.fordf100s.com/1975-ford-f100/"
last_updated: "2026-07-17"
---

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4. /  1975 Ford F-100: Catalytic Converter Era Specs & Values

Generation 6 · 1973–1979 

#  1975 Ford F-100: Catalytic Converter Era Specs & Values 

Wheelbase

117 in (short bed), 133 in (long bed), 139/155 in (SuperCab)

Original MSRP

$3,632

Production

228,064

fordf100s.com · Updated July 17, 2026 

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Factory Spec Sheet 

MODEL YEAR 1975 

__General Specifications__
| Wheelbase          | 117 in (short bed), 133 in (long bed), 139/155 in (SuperCab) |
| ------------------ | ------------------------------------------------------------ |
| Curb Weight        | 3,800 lbs                                                    |
| Body Styles        | pickup, styleside, flareside                                 |
| Original MSRP      | $3,632                                                       |
| Production Numbers | 228,064                                                      |

__Engine Options__
| Engine         | Displacement | Horsepower                 | Type     |
| -------------- | ------------ | -------------------------- | -------- |
| 300 Six        | 300 ci       | Varied by GVWR/calibration | inline-6 |
| 302 Windsor V8 | 302 ci       | Varied by GVWR/calibration | v8       |
| 360 FE V8      | 360 ci       | Varied by GVWR/calibration | v8       |
| 390 FE V8 (2V) | 390 ci       | Varied by GVWR/calibration | v8       |

Available Transmissions

- 3-speed manual
- 4-speed manual
- C6 3-speed automatic

Sources & Editorial ReviewSource reviewed

Reviewed by the [FordF100s.com editorial team](/about/#editorial-standards) on July 17, 2026. 

The model-year engine applications, horsepower ratings, major design changes, and identification claims were reconciled against period literature and year-specific specialist references. Full-line F-Series applications were excluded when the source did not support an F-100 application.

References used

1. [Ford Heritage Vault](https://fordheritagevault.com/) — Ford Motor Company · Factory literaturePeriod brochures, sales literature, and manuals used to check model-year claims.
2. [Ford truck literature library](https://www.fordification.com/library/) — Fordification.com · Specialist reference

Horsepower changed from SAE gross to SAE net reporting for 1972, so figures on opposite sides of that change are not directly comparable. Production totals, weights, prices, option availability, and midyear changes can vary by source and configuration; treat them as reference points, not proof of a specific truck's original equipment.

Found a conflict in factory literature or have a better source? See our [corrections process](/about/#corrections). 

The 1975 Ford F-100 was shaped primarily by forces outside of Ford’s styling studios. Tightening federal emissions regulations brought catalytic converters to the F-100 lineup and mandated the switch to unleaded gasoline. Output depended on the engine, GVWR, destination, and emissions calibration, so the change cannot be summarized accurately as one uniform horsepower loss across every configuration.

Ford’s 1975 pickup brochure lists the [300 Six](/glossary/300-six/) as standard in the F-100, the 302 [Windsor](/glossary/windsor/) as optional in a regular-cab F-100 4x2, the 360 FE as an option across the pickup line, and the 390 2-barrel as an F-100 4x2 option. Its separate 390 4-barrel and 460 rows apply to the F-150, F-250, and F-350—not the F-100\. Because output varied by GVWR and emissions calibration, the truck’s emissions label and matching Ford service literature are more accurate than a single universal horsepower number.

The catalytic converters themselves added weight and complexity to the exhaust system. They were mounted in the exhaust stream between the engine and the muffler, and they required unleaded fuel to function properly. Leaded gasoline would poison the catalytic element and render the converter useless, so Ford fitted restricted fuel filler necks that would only accept the smaller nozzle used by unleaded fuel pumps. For truck owners accustomed to running regular leaded gasoline, this was a notable change in operating costs, as unleaded fuel carried a slight price premium at the pump.

Visually, the 1975 F-100 was nearly identical to the 1974 model. The [Dentside](/glossary/dentside/) body continued without significant styling changes, and the interior remained the same. The Ranger XLT trim continued as the volume seller, and the [SuperCab](/glossary/supercab/) extended cab option was available across all trim levels. The [Flareside](/glossary/flareside/) body style remained in the catalog alongside the more popular [Styleside](/glossary/styleside/).

Production fell to approximately 228,064 F-100 units, a decline reflecting both the broader economic uncertainty of the mid-1970s and the arrival of the heavier-rated F-150 alongside it. The aftershocks of the 1973 oil embargo lingered, fuel prices had risen significantly, and a recession was squeezing household budgets. Despite these headwinds, the F-100 remained important to Ford’s truck lineup while the F-Series continued its march toward becoming the best-selling vehicle nameplate in the country.

The 1975 model year represents a transitional moment for the Dentside generation. The truck itself was mechanically sound and commercially successful, but the era of big displacement engines delivering their full potential was clearly ending. Ford’s challenge for the remaining years of this generation would be to maintain performance and buyer satisfaction while meeting emissions targets that grew stricter with each passing year.

Next useful step

## Put this 1975 in generation context

Compare its factory changes, engines, and neighboring model years before planning a purchase or restoration.

[ Open the generation guide → ](/generations/1973-1979/) [ Decode a VIN ](/vin-decoder/) 

[← 1974 Ford F-100](/1974-ford-f100/)[1976 Ford F-100 →](/1976-ford-f100/)

## Build a 1975 F-100

[RestorationF100 Rust Repair: Common Problem Areas and How to Fix ThemIdentify and repair the most common rust spots on Ford F100 trucks, from cab corners to floor pans, with practical repair methods and parts sources.](/restoration/rust-repair-guide/)[RestorationF-100 4x4 Conversion: Add 4WD to Your TruckConvert your 2WD Ford F-100 to 4x4 with Kincer Chassis bolt-on kits, donor frame swaps, and component sourcing for 1948-1983 trucks.](/restoration/4x4-conversion-guide/)[RestorationF-100 AC Installation Guide (1948-1983)Vintage Air, Classic Auto Air, and Old Air Products kits compared for every F-100 generation. Costs, installation steps, and electrical requirements.](/restoration/ac-installation-guide/)[PartsFord F-100 Restoration Cost GuideRealistic F-100 restoration costs by project tier, from budget builds under $10K to six-figure restomods, with line-item estimates.](/parts/restoration-cost-guide/)[PartsF100 Steering Column Options and UpgradesFord F100 steering guide covering factory systems, aftermarket tilt columns, power steering conversions, and steering box replacements.](/parts/steering-columns/)[PartsF100 Suspension Upgrade Options by GenerationCompare F100 suspension upgrades: Mustang II IFS, Crown Vic swaps, lowering beams, rear axle flips, coilovers, air ride, and chassis planning.](/parts/suspension-upgrades/)

## Keep Exploring

[Generation Guide1973-1979 Ford F-100 Dentside GuideFull generation overview — design changes, engines, and buying advice](/generations/1973-1979/)[ComparisonFord F-100 vs Chevy C10: Specs, Prices & Which to BuyFord F100 vs Chevy C10 compared: design, engines, suspension, aftermarket support, restomod potential, and market values from the 1960s-1970s.](/ford-f100-vs-chevy-c10/)[ReferenceF-100 Timeline 1948–1983Every model year and generation in one view](/history/f100-timeline/)[ToolVIN DecoderVerify the year, engine, and plant on any 1975 F-100](/vin-decoder/)

## Frequently Asked Questions 

 What changed in the 1975 Ford F-100? 

 For the 1975 model year, notable changes included: Catalytic converters standard, unleaded fuel required, revised emissions controls and calibration-dependent output As the third year of the sixth-generation F-100 (Dentside), the 1975 Ford F100 built on the prior year while setting up what came next in the 1973-1979 run. 

 Where does the 1975 Ford F100 sit within the 1973-1979 generation? 

 The 1975 Ford F-100 was the third model year of the sixth-generation F-100 (Dentside), placing it at the midpoint of the 1973-1979 run. By 1975, the generation had stabilized and buyers benefited from several years of running changes. The 1975 specifically added: Catalytic converters standard, unleaded fuel required, revised emissions controls and calibration-dependent output 

 What are the key dimensions of the 1975 Ford F-100? 

 The 1975 Ford F-100 had a wheelbase of 117 in (short bed), 133 in (long bed), 139/155 in (SuperCab) and a curb weight of 3,800 lbs. Factory body styles included pickup, styleside and flareside. It was part of the sixth-generation F-100 (Dentside) (1973-1979), a generation defined by the Dentside body-side crease, SuperCab availability, and the broadest V8 lineup in F-100 history. 

 How many 1975 Ford F100 trucks were built? 

 Ford produced approximately 228,064 units of the 1975 Ford F100\. The original MSRP started at $3,632, which put it at the accessible end of the light-duty truck market for 1975\. For 1975 production, production was solid though below the generation’s peak. Condition, originality, and trim level matter more than raw production numbers when valuing a specific truck. 

 What should I look for when buying a 1975 Ford F100? 

 Focus your inspection on the 1975-specific items: Catalytic converters standard, unleaded fuel required, revised emissions controls and calibration-dependent output With 4 factory engine options and output that could vary by calibration, verify the original engine code and emissions label instead of relying on a generic horsepower chart. Production of roughly 228,064 puts 1975 Ford F100 availability in the middle of the road — findable, but not every weekend. Prioritize trucks with documented history over cosmetic presentation — a clean 1975 with receipts beats a repainted example with an unknown past. 

Model Years 

- [1973 Ford F-100: Dentside Debut, 6th Gen Specs & Values](/1973-ford-f100/)
- [1974 Ford F-100: SuperCab Debut & 460 V8 Option](/1974-ford-f100/)
- [1975 Ford F-100: Catalytic Converter Era Specs & Values](/1975-ford-f100/)
- [1976 Ford F-100: Final FE Year, Specs & Values](/1976-ford-f100/)
- [1977 Ford F-100: Rectangular Headlights, 351M V8 Specs & Guide](/1977-ford-f100/)
- [1978 Ford F-100: Restyled Grille, Specs & Collector Values](/1978-ford-f100/)
- [1979 Ford F-100: Free Wheeling Package, Final Dentside Specs](/1979-ford-f100/)

Model Years 

- [1973 Ford F-100: Dentside Debut, 6th Gen Specs & Values](/1973-ford-f100/)
- [1974 Ford F-100: SuperCab Debut & 460 V8 Option](/1974-ford-f100/)
- [1975 Ford F-100: Catalytic Converter Era Specs & Values](/1975-ford-f100/)
- [1976 Ford F-100: Final FE Year, Specs & Values](/1976-ford-f100/)
- [1977 Ford F-100: Rectangular Headlights, 351M V8 Specs & Guide](/1977-ford-f100/)
- [1978 Ford F-100: Restyled Grille, Specs & Collector Values](/1978-ford-f100/)
- [1979 Ford F-100: Free Wheeling Package, Final Dentside Specs](/1979-ford-f100/)

VIN Decoder

 Decode supported F-100 VIN formats, or use the 1961-1983 data plate decoder for source-backed paint, trim, axle, and transmission codes. 

[Decode a VIN → ](/vin-decoder/) [1961-1983 Data Plate Decoder → ](/data-plate-decoder/) 

###  Guides for This Era 

- Restoration  
[ F100 Rust Repair: Common Problem Areas and How to Fix Them ](/restoration/rust-repair-guide/)
- Restoration  
[ F-100 4x4 Conversion: Add 4WD to Your Truck ](/restoration/4x4-conversion-guide/)
- Restoration  
[ F-100 AC Installation Guide (1948-1983) ](/restoration/ac-installation-guide/)
- Parts  
[ Ford F-100 Restoration Cost Guide ](/parts/restoration-cost-guide/)
- Parts  
[ F100 Steering Column Options and Upgrades ](/parts/steering-columns/)
- Parts  
[ F100 Suspension Upgrade Options by Generation ](/parts/suspension-upgrades/)
