The 68RFE is a well-designed and strong transmission with gear splits suited to the normal load-moving tasks faced by heavy-duty Ram diesel pickups. But it’s not strong enough to handle the high-output Cummins if one is towing at or near the maximum rating of a Ram 3500 day in and day out.
How long does a 68RFE last?
But on average, we’ve seen the Ram 2500 transmission last for between 130,000-180,000 miles.
Which transmission is better Aisin or 68RFE?
In theory, the Aisin will cost you twice as much in fluid than the 68RFE over the course of its life if you follow Chrysler’s “severe” service schedule. … The Aisin transmission is clearly overall favorable to the 68RFE, although it is only available in Ram 3500 pickups and only with the High Output Cummins variant.
How much HP can a 68RFE handle?
This kit re-works the valvebody and TCM to where the 68RFE can live at 500 to 550 hp, but any more than that and the truck owner will have to start delving deep into the transmission.
How hard is it to rebuild a 68RFE?
Rebuilding a 68RFE isn’t really very difficult, as long as you have a clean area to work in, and have a reasonable assortment of tools.
How much horsepower can a stock 6.7 Cummins transmission handle?
Registered. Stock will hold 100000 HP!
How many miles can you get out of a 6.7 Cummins?
Ram claims the Cummins 6.7 engine to be good for 350,000 miles. The mileage is guaranteed if the scheduled services has been carried out timeously and no performance modifications have been done to the engine.
How do I know if my transmission is Aisin or 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.
What transmission is in the 6.7 Cummins?
PROVEN AND LEGENDARY6.7L CUMMINS® TURBO DIESEL I6 ENGINE
When paired with the available AISIN six-speed automatic transmission, the 6.7L Cummins Turbo Diesel I6 engine becomes a high-output engine, offering 930 lb-ft of torque in the low end where heavy-hauling customers need it most.
Who builds Aisin transmission?
Aisin automatic transmissions are manufactured by Aisin Seiki and Aisin AW, formerly known as Aisin-Warner, and which was established in 1969 as a joint venture between Aisin Seiki and BorgWarner.
Is 5.9 or 6.7 Cummins better?
The common-rail 5.9L Cummins was produced from 2003-2007 and featured a fixed-geometry turbo. … However, the 6.7L’s use of a variable geometry turbocharger makes it much more responsive than the 5.9L at low rpm, not to mention that it incorporates a very effective exhaust brake function.
What is the strongest Cummins Engine?
The new 4000 hp QSK95 is the highest horsepower diesel engine ever developed by Cummins. With an output of 4000 hp and more, Cummins’ new QSK95 is the world’s most powerful high-speed diesel engine.
How much horsepower is a 6.7 Cummins?
The Cummins 6.7L Turbo Diesel is the most powerful engine option for RAM 2500 and 3500 pickup trucks. Producing up to 400 horsepower and 1,000 pound-feet of clean diesel torque, this powerhouse helps RAM deliver best-in-class towing.
How much does a 68RFE cost?
Replacement 68RFE Transmission Prices:
|Transmission||Street Smart Transmission||Dealer Retail|
How does a 68RFE work?
The 68RFE is somewhat unusual in its components: To help reduce pres- sure losses, the transmission includes a dual-stage transmission fluid pump with electronic output pressure control. … The primary stage of the pump works continuously; the second stage is bypassed when demand is low.