What efficiencies can I expect from the G40? Abby March 30, 2024 00:12 Updated This depends a lot on your grain bill, grain crush and recipe. Our overall testing has yielded efficiencies between of 70-80%. Related articles How can I improve my efficiency? What batch volumes are achievable on the G40? Technical Specifications - G40 What grain bill is achievable on the G40? Instructions - G40