Which is better 68RFE or Aisin?

Pros of the 68RFE:

A final benefit to the 68RFE that may be relevant to some consumers is it's fast shift speed compared to the Aisin. This is because the 68RFE does not necessitate as much of a fuel de-rate during shifts to facilitate a safe and properly timed clutch to clutch transition.

Is Aisin transmission better than 68RFE?

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.

How can you tell the difference between Aisin and 68RFE?

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.

Are Aisin transmissions reliable?

The Aisin transmission may not be as reliable as everyone believes. RevMax, a reputable transmission rebuilder, had this to say about the Aisin, " It was build with extremely low quality internal parts and its capacity to handle increased power in stock form is extremely low.

How much HP can Aisin 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.

Which New RAM HD Is Best For You | What Are The Differences | Aisin Vs 68RFE Comparison

Is the 68RFE transmission good?

Overview of the 68RFE:

Despite all of the impending doom the 68RFE and it's abysmal valve body bring forth, it is a powerfully reliable transmission after being properly built. But, in stock form, it cannot hold much more than factory power.

Is Ram going to Allison Transmission?

Tons of upgrades are coming to the 2022 Ram 2500, but we hope one rumor becomes a reality. According to Pickup Truck News, the Ram 2500 could get a brand-new 10-speed Allison Automatic Transmission. Including a new Allison Transmission would provide the most notable upgrade for the model year.

Why is the Aisin transmission so good?

The Aisin is an excellent and very heavy duty transmission. The torque converter is the tightest I've ever experienced. The lockup strategy is flawless and makes the trans very efficient, it NEVER gets hot under any circumstances. It has nice low 1st gear and a good OD ratio.

How much horsepower can a 68RFE handle?

With quality transmission control module (TCM) tuning, the stock 68RFE can support 500rwhp and 1,000 lb-ft or more, but it won't survive boosted, four-wheel drive launches for very long—and maybe not even once if the Low/Reverse sprag explodes (which is common).

What companies use 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.

What year did Ram start using the 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.

What does 68RFE stand for?

The 68RFE. The 68RFE transmission is the big brother to the 45/545RFE transmission. The RFE platform was originally designed by Chrysler and was introduced in 1999 with the debut of the new Jeep Grand Cherokee. "RFE" stands for Rear-wheel drive Fully Electronic control.

What's the difference between 6.7 Cummins and high output?

The standard Cummins delivers 370 ponies while the High Output version pushes out 400 horsepower. Both engines feature a compacted graphite iron block, pushrod-operated overhead valves, and a high-pressure common rail fuel injection system in terms of internal, mechanical construction.

Can I put a Allison Transmission on a Cummins?

The new ATS castings allow the Allison to transmission to bolt directly up to the Cummins engine with out any engine modifications.

How much boost should a 6.7 Cummins make?

Under full throttle the Ford 6.7 would make about 30psi of boost.

Is 6.7 Cummins or 6.7 Powerstroke better?

The current version of the 6.7 Powerstroke features close to 450hp with 935 ft-lbs of torque, while the latest 6.7 Cummins puts out about 400hp with 1000 ft-lbs of torque, so on paper, the numbers are very similar, but as the race to become the most popular diesel truck in America continues, it will be fun to see just ...

Why are Allison transmissions so good?

Unlike manual and automated manual transmissions (AMTs), Allison Automatics have no power interrupts during shift changes. They make the best use of the engine's horsepower and torque by delivering more of it to the wheels.

What transmission is in the 2021 Ram 2500 Cummins?

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The six-speed automatic is a sophisticated, multirange, electronically controlled transmission with gear ratios optimized for the 6.7L Cummins Turbo Diesel I6 engine. It features responsive performance and low noise, vibration and harshness.

Is Ram getting rid of Cummins?

Cummins Inc. on February 3 announced a multi-year extension of its current agreement with Chrysler Group LLC. Cummins will supply 6.7-liter Turbo Diesel engines for Ram Heavy Duty pickups and Chassis Cab trucks while continuing to grow its partnership with Chrysler, which began 21 years ago.

Do Ram trucks still have transmission problems?

The Ram 1500 pickup trucks have been known to have transmission issues and shifting problems have been present in Ram trucks from 2001 onwards. Particularly bad years for the Ram 1500 were 2001, 2009, 2012 – 2016 and the 2019 model also displayed transmission issues.

What will the 2022 Ram 2500 look like?

The new model year will be bringing new looks for the Ram 2500. The split front grille will be larger, creating a powerful and brute look. It will contrast perfectly with the sleek and narrower LED headlights. The body will have more defined lines throughout to give the truck a sharper look.

Why does the 68RFE fail?

Because of their lack of mass, the 68RFE clutches have a very low tolerance to heat and do not dissipate it well. Once these clutches heat up past a certain temperature, they begin to distort. This decreases the overall clearance and causes the clutches not to release fully, eventually burning up (Figure 1).