Diesel Archives - Transmission Digest
The evolution of diesel transmission maintenance

It’s no longer a secret… heck, it’s no longer that special for a diesel engine to make 1,000-plus horsepower. It’s become commonplace, and due to that increased capability, it seems that these days, OE manufacturers are rating transmissions at their absolute limits. As soon as you add a little more horsepower or work your truck

Sonnax releases Smart-Tech big input shaft kit

Sonnax has released its Smart-Tech big input shaft kit (part no. 22121B-08K), which the company says can prevent input shaft spline-twist and breakage in high-torque Chrysler 47RH, 47RE and 48RE diesel applications. This kit fits listed converters fitted with a 35-spline turbine hub. The company says that compared to the best 300M 23-spline shafts, the

10R140 Diesel Performance Friction Clutch Pack

The RGPZ-276 from Raybestos Powertrain fits 2020-Up Ford 10R140 transmissions with 6.7L Diesel engines. The complete unit GPZ Clutch Pack module includes (4) GPZ780 A Brake, (5) GPZ755 B Brake, (6) GPZ756 C Clutch, (6) GPZ781 D Clutch, (4) GPZ782 E Clutch, (4) GPZ759 F Clutch GPZ friction clutch plates. GPZ friction material is an

10R140 6.7L Diesel GPZ Friction Clutch Pack

Raybestos Powertrain’s Ford 10R140 Diesel Transmission GPZ Friction Clutch Pack Module is designed to enhanced performance beyond OE capabilities. The RGPZ-276 friction clutch module features upgraded GPZ material that is manufactured with a unique blend of high-energy fibers for stress and high-temperature durability that improves performance in Ford F-250, F-350, F-450, and F-550 diesel applications. Clutch Pack contains: (4) GPZ780 A Brake, (5)

Diesel Sales Up 28% in 2020, Boosting Truck Segment

Five of the top ten fastest growing alternative technology vehicles in 2020 in U.S. are diesel-powered

Extra Set of Eyes Saves the Day

In addition to the OEM-spec remanufactured transmissions we build, we also offer a series of heavy-duty transmissions available in three different stages. This article examines the installation of our Road Ripper™ 3000 (stage 3 unit) in a 2005 Dodge 2500 pickup equipped with a 5.9L diesel and a 618/48RE transmission. The vehicle had been in use for about a month when the customer returned with an issue that the transmission was stuck in gear and would not shift. We did not want any damage to occur by the customer driving the vehicle to our location, so we set up a tow to have the vehicle picked up.

Multiple Issues Demonstrate Need for Thorough Diagnosis

Our story begins with a 1995 Chevrolet K1500 with a 6.5-liter diesel and a 4L80 E transmission that was brought into our shop by one of our wholesale customers. The customer had replaced the transmission in this vehicle with one of our remanufactured units. After the installation, the customer said the check engine light came on and the vehicle was setting multiple transmission codes, and that when the truck was going around a left-hand turn the transmission would neutralize.