How much HP can the Aisin transmission handle?

Aisin: The Aisin 6-speed automatic is one of the transmissions available with Ram’s 6.7L Cummins turbo-diesel engine. This engine produces up to 400 hp and 1,000 lb-ft of clean-diesel torque. With the Aisin transmission, it can tow 31,000 pounds.

Can you tune a Aisin transmission?

You can tune/delete, but no trans tuning. From everything I read, it responds to the tuning well, up to 90/100+ HP, but beyond that you should go w/ 68RFE.

How much better is the Aisin transmission?

They are two totally different transmissions. While the Aisin’s overall ratio spread is 3.75-0.63, the 68RFE’s is only 3.23-. 0.63. The difference is the Aisin has a much deeper First (3.75:1) and Second (2.0:1) to maximize the 6.7L’s torque delivery for more low-end pulling power.

What year did RAM start using Aisin transmission?

The Ram started using the Aisin Seiki six-speed AS68RC automatic transmission in 2007, as an option on all of its diesel-powered chassis cab trucks; the transmission was rated at 750 lb-ft of input torque capacity.

Does my RAM have Aisin transmission?

All you have to do is open up the hood: If your yellow dipstick handle is on the right side of your engine (the driver’s side), you’re likely looking at a vehicle with an Aisin transmission. If your dipstick is just to the left of your engine, you’re most likely dealing with the 68RFE.

Who makes Aisin transmission?

Aisin AW supplies automatic transmissions to 55 automotive manufacturers around the world, virtually every major OEM. These include General Motors, Ford, Jeep, Mitsubishi, Nissan, Saab, VW, Volvo, Hyundai, MINI among others.

How long does an Aisin transmission last?

Anywhere between 1 mile and 1 million miles is a safe bet. There are so many factors….it’s just not possible to name an expected service life.

Is Aisin better than 68RFE?

In stock form the Aisin is slightly better than the 68RFE but when you start adding power neither one of them hold up very well and both are expesnive to build, the Aisin being even more expensive than the 68RFE.

How do I know if my transmission has Aisin?

How to Identify an Aisin Transmission

1. If your yellow dipstick handle is on the right side of your engine (the driver’s side), you’re likely looking at a vehicle with an Aisin transmission.
2. If your dipstick is just to the left of your engine, you’re most likely dealing with the 68RFE.

How much HP can the 68RFE handle?

In my humble opinion, the 68RFE is a solid transmission in stock power mode. Some users have reported at least 200K or more miles out of them with proper maintenance. Now the 68RFE auto can handle 60+ horsepower increase without any major issues.

When did RAM switch to the as69rc transmission?

In 2013, the Ram Corp switched to the AS69RC, which is known to be a stronger and more durable transmission for heavy-duty applications. The unit consists of three planetary gear sets and one overrunning clutch, as well as complete electronic functionality of the transmission (figure 2).

What’s the difference between the AS68RC and as69rc?

There are many existing differences among the two transmissions. The AS68RC has a totally different valve body than the AS69RC and the ratios differ as well. The AS69RC is just as heavy as the AS68RC but much easier to work on, take apart and assemble.

Are there any issues with the SLT as69rc?

Swapping the large solenoids in the valve body, or the SLT with the SLU solenoid, could result in bind ups, flairs or possible harsh downshifts. This unit, like the AS68RC, also suffers from internal wiring issues. The wires will get brittle with the heat and fry or the wires may come loose from the terminal end.

Are there any issues with the as69rc oil pan?

This unit, like the AS68RC, also suffers from internal wiring issues. The wires will get brittle with the heat and fry or the wires may come loose from the terminal end. We have seen cases where they have even broken apart. When viewed from below the vehicle, all solenoid connectors will always face down to the oil pan.