A five-speed from 01-05, the patch Allison gained double overdrive in 06 and the six-speed version would survive through the 19 model year, with considerable upgrades in strength occurring each time the Duramax received an uprate in power.
To be fair, the writing was warcraft on the wall for years with Ford having dropped out of chiltons the game in 11 and GM doing the same five years prior.
Do these parts fit your vehicle?All Listings, auction, results Pagination delta - Page, got one to transmission sell?Nearing the ZF-6 gearboxs maximum input torque capacityand an unwillingness to develop its own or outsource a different manual transmissionthe.4L Power Stroke in front patch of the ZF-6 turned out 325hp and 600 lb-ft.Forfeiting 25hp 50 lb-ft chiltons With the Manual.After the release of the commercial-grade Aisin AS69RC automatic in 2013 money (pictured above the same transmission manual that is currently tasked with harnessing the.7L Cummins 1,000 lb-ft, Ram scroll customers still wanting to shift their own gears chevrolet had to settle for 190 lb-ft less (660.By 2018, chevrolet only one percent of all 2500 series and one percent of all 3500 model trucks were ordered with the Mercedes Benz-supplied G56 six-speed manual gearbox (pictured above).Common applications edit trucks trucks trucks trucks.That gap would widen even more in 15, 16 and 18 when further torque increases were made for automatic models but not for G56-specd trucks.Citation thrones needed, the transmission uses Mopar ATF4 transmission fluid.As a result, the G56 went almost completely unchanged from.5 to 18 and was rated for a lower torque input than the automatic option from 2007.5.Then, beginning with the release of the 68RFE six-speed automatic.5, the auto became the version to have if you wanted the more powerful version of the.7L Cummins.The G56 also has a relatively short overdrive ratio, which translates into slightly high engine RPM at cruising speed. The Mercedes Benz G56 is a heavy duty, 6 speed instruction manual transmission found in various Ram HD pickup and medium duty commercial truck applications.
The G56 did come with a 660 lb-ft rating beginning in 2013 (up from 610 lb-ft but at the same time the 68RFE auto was rated for 800 lb-ft and the heavy-duty Aisin AS69RC auto for 850 lb-ft.
There's often confusion as to when the G56 was introduced to the Ram pickup platform.
Aisin AS69RC Specs, aisin AS68RC dodge 6 speed manual transmission g56 Specs, chrysler 68RFE Transmission Info.
Ram.7L Cummins: Less Grunt With the G56 Manual.