What trucks had the 4L60E in them 1998?

The 4L60E transmission in 1998 was used in a wide variety of GM vehicles, not just trucks. To give you a precise list of *every* truck model would be extensive. However, it was commonly found in these 1998 GM trucks and SUVs:

* Chevrolet: Silverado 1500, Suburban 1500, Tahoe, Yukon, Blazer (depending on engine and trim level)

* GMC: Sierra 1500, Yukon, Jimmy (depending on engine and trim level)

Important Note: The presence of the 4L60E depended heavily on the engine size and the trim level of the vehicle. Not every 1998 model of these trucks had it. Some may have had the 4L60 (non-electronic) or other transmissions entirely. To know for sure about a specific truck, you'd need to check the vehicle's build sheet or the sticker in the glove box (if still present).