What is the difference between the Ford Cruise-O-Matic and the C4?
When it comes to classic Ford automatic transmissions, the Cruise-O-Matic and the C4 are two names that often come up in discussions among car enthusiasts and mechanics. While both were pivotal in Ford's history of automatic transmission development, they serve different purposes and have distinct characteristics. In this article, we’ll break down the key differences between these two transmissions to help you better understand their unique features and applications.
What Is the Ford Cruise-O-Matic?
The Ford Cruise-O-Matic was introduced in the mid-1950s as a versatile automatic transmission designed for a range of Ford vehicles. It was a three-speed automatic transmission that offered smooth shifting and was considered advanced for its time. The Cruise-O-Matic was available in several variations, including the MX and FX models, which were tailored for different vehicle sizes and engine configurations.
Key features of the Cruise-O-Matic include:
- A three-speed design that provided a balance between performance and fuel efficiency.
- Hydraulic controls for smooth and reliable shifting.
- Compatibility with larger, heavier vehicles like full-size sedans and trucks.
What Is the Ford C4 Transmission?
The Ford C4, introduced in 1964, was a lighter and more compact three-speed automatic transmission. It was designed to replace the heavier Cruise-O-Matic in smaller and mid-sized vehicles. The C4 quickly gained popularity due to its simplicity, reliability, and ease of maintenance.
Key features of the C4 include:
- A lightweight aluminum case, making it significantly lighter than the Cruise-O-Matic.
- Durability and ease of repair, which made it a favorite among hot rodders and racers.
- Compatibility with smaller vehicles, such as the Ford Mustang and Falcon.
Key Differences Between the Cruise-O-Matic and the C4
While both transmissions are three-speed automatics, they differ in several important ways:
- Weight and Size: The Cruise-O-Matic is heavier and bulkier, making it better suited for larger vehicles, whereas the C4 is lightweight and compact, ideal for smaller cars.
- Material: The Cruise-O-Matic often used cast iron in its construction, while the C4 featured an aluminum case, contributing to its reduced weight.
- Applications: The Cruise-O-Matic was commonly used in full-size sedans and trucks, while the C4 was designed for compact and mid-sized vehicles.
- Maintenance: The C4 is generally easier to repair and modify, which has made it a popular choice for performance enthusiasts.
Which One Is Right for You?
The choice between the Cruise-O-Matic and the C4 depends largely on your vehicle and your needs. If you’re restoring a classic full-size Ford or need a transmission for a heavier vehicle, the Cruise-O-Matic might be the better option. On the other hand, if you’re working on a smaller car or a performance build, the C4’s lightweight design and ease of modification make it an excellent choice.
At Kevin’s Autos, we specialize in maintaining and restoring classic transmissions like the Cruise-O-Matic and the C4. Whether you need a repair, rebuild, or advice on which transmission is best for your project, our experienced team is here to help. Contact us today to learn more!
Frequently Asked Questions
How can you tell if a transmission is Ford O Matic?
Transmission ID numbers were three digits long from 1951-'54 and started with “1P”; 1955 and newer Ford-O-Matic ID numbers were four letters and started with “P.” The ID number will tell you if you have the small, 97⁄8-inch case or the medium, 107⁄32-inch Merc-O-Matic case.
What is cruise-O-matic transmission?
They were a three-speed design using a Ravigneaux planetary gearset like the original, but moved the pump from the rear to the front of the transmission, while also using a different valve body so the transmission would start in first gear as opposed to second.
How hard is it to rebuild a Ford C4 transmission?
In fact, it is so simple you can tear it down and rebuild it in your home garage using the Ford Shop Manual because no special tools are required. However, transmission building is a finite science, so we suggest turning yours over to a professional with experience.
Is the cruise O Matic a C6?
The Ford C6 is a heavy-duty automatic transmission built by Ford Motor Company between 1966 and 2004. It was marketed as the "SelectShift Cruise-O-Matic." Compared to its predecessor MX transmission, the C6 offered lower weight, less complexity, less parasitic power loss, and greater torque capacity for larger engines.
What is the strongest Ford automatic transmission?
Unarguably, the TH400 is the king of performance transmission, but a closer look at the Ford AOD shows that it comes with more than it lets on. If these features are taken advantage of, then it can potentially offer the level of performance more than what a person would have ever believed it could.
What year Fords have bad transmissions?
Vehicles impacted are the Ford Fiesta (model years 2011-2016) and the Ford Focus (model years 2012-2016) equipped with a PowerShift transmission.
How to tell the difference between a C4 and a C5 transmission?
The C5 has 4 holes each end @. 094'' . The c4 only has 3 holes each end @ . 040``. The forward hub has 5 clutches.It has a different bevel plate in the bottom of the clutchpack Which is . 310``overall with a . 110'' step. The c4 bevel plate is . 265'' with a . 125``step. The hi/rev hub has 4 clutches @.
Is the Ford C4 transmission any good?
the C4 is a good transmission for a variety of used. however most are worth what ever the current core charge is, unless it has been properly rebuilt or modified. they make great transmissions for the strip, or street use.
Which Ford had transmission problems?
Ford's PowerShift dual clutch transmission was used in 2010. Vehicles impacted are the Ford Fiesta (model years 2011-2016) and the Ford Focus (model years 2012-2016) equipped with a PowerShift transmission.
When did Ford stop using the C4 transmission?
1981
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. The Ford C4 is a three-speed, medium-duty automatic transmission introduced on 1964 model year vehicles and produced through 1981.
