The 6L80 transmission fills a much needed duty gap between the versatility of the 4L series and the Allison variety. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a electro/hydraulic controlled transmission. This transmission can be used in vehicles weighing up to 8,600 lbs or a gross weight of 14,000 lbs. Monster provides a selection of different performance ratings for the 6L80, including heavy duty and super sport/super duty.

6L80E Transmission

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