So in summary, line pressure is good, but it has its limits just like everything else. Chrysler used this machine for 2007 model-year work trucks along with the 6.7 Cummins turbodiesel engine. Read on to learn more about three of the most commonly discussed models, and how to identify an Aisin transmission. This is a similar phenomenon to the LML Duramax CP4 failure problem. The Aisin transmission may not be as reliable as everyone believes. At 90,000 miles, another drain & fill is performed. A free inside look at company reviews and salaries posted anonymously by employees. It was build with extremely low quality internal parts and its capacity to handle increased power in stock form is extremely low. Check out their specs below and compare gears, weight, and sizing. 2020 Ram HD 3500. The shallower the angle on the fins (from horizontal), the higher the stall speed. Unfortunately, though, when things go bad, they go very bad. Goerend has more than a decade of experience, and we thought this would be a good chance to pick his brain concerning some common facts and fallacies we hear regarding Allisons, Dodge 47s and 48s, and transmissions in general. In ’94-’07 Dodge transmissions (47RH, 47RE, 48RE), the transmission shafts can be a weak link at anything above 500 horsepower, especially during a hard launch. It is similar in design to the AS68RC, which was only available in chassis cab Rams mated to the 6.7L Cummins. Under full throttle, line pressure in performance applications will run around 200 to 250 psi, or even a bit more. Goerend showed us this valve body fluid diagram in response to our “is the valve body the brain?” question. Aisin Group Strengthens Production System for Electrification Products -Aisin Tohoku begins producing small and medium-sized motor products. You’ll need the roaring V8 engine with eTorque to access these impressive specs, but…, Copyright © 2021 Badger Truck & Auto Group, Service Body Trucks for Sale in Milwaukee, WI. You can tap one of three bosses for a temperature sending unit if you want to add this to your truck. At 60,000 miles, the pan is dropped, … Find helpful customer reviews and review ratings for ATS Thermal Bypass Valve Delete For 2010-2018 6.7L Cummins 68RFE or Aisin AS69RC at The valve body of a transmission, whether it’s a Dodge or Allison, controls everything from shift points to line pressure, so it’s definitely thought of as the brain behind how your diesel transmission acts. DW. To solve this issue, Goerend makes his own front covers with much shallower and reinforced converter lugs. As someone who has dealt with diesels for a long time, here is something to chew on regarding complaints: Context matters. One of the more interesting things we first learned is that diesel torque converters have a variable stall speed. Videos. Use of this site constitutes acceptance of our user agreement and privacy policy. When it comes to diesel engines and their transmissions, the question of “Aisin vs. Allison, which is better,” has been a hot topic among Chicago drivers for many years. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the express prior written permission of Engaged Media. The AS69RC is a nightmare of a transmission. The AS69RC is one of three transmissions offered for 2013, and will be standard on the high output version (385 hp/850 lb-ft) of the 6.7L Cummins. We started our tour off looking at some of the biggest weaknesses of the Allison 1000, which lie in the factory torque converter. Modern diesel pickup computers will have their hands in virtually everything, from when the converter locks up, to upshifts and downshifts, to line pressure through the gears. When the converter is warped, the converter clutch can no longer make contact to the front of the converter; the clutch will slip and the transmission will throw a code. From aircraft engine parts to a comprehensive range of automotive parts and systems, and home appliances. Beyond that, Dodge transmissions (especially in heavy, fast trucks) need help. Both offer a 12.2-inch torque converter, so they’re evenly matched in that regard. With the right equipment, you can get the 2021 RAM 1500’s towing capacity up to 12,750 pounds and haul a payload of up to 2,320 pounds. Plans for a 700+hp daily driver. The Revmax Signature Series AS69RC has been redesigned from the torque converter to the output shaft and most of the internals have simply been thrown away. The converter in the new Aisin transmission in the Ram lineup has a unique converter design that uses a number of small clutches instead of just a couple larger ones. AISIN Seiki's history begins in 1943 with the founding of Tokai Hikoki Co., Ltd., and aircraft parts manufacturer. What is the Aisin Transmission? Hot Rod RV Ram: A 1997 Dodge Ram Cummins For The Modern Age. 2016 3500 SRW CCLB 3:42 AS69RC. Goerend mentioned that he was trying to figure out a problem with ballooning the converter on one application (where the torque converter actually bends and expands), and when he ran the customer’s valve body on the transmission dyno he found that pressure in reverse was an insane 500 psi, which was enough to actually warp the converter.