I have a beautiful color reprint of the Jaeger Gas Engine & Concrete Mixer Company Manual. It covers 13 years of changes and parts. face stapled. The front and back are heavy duty card stock. This manual is the engine parts manual only. i had it printed for those folks with a red or green as they call it engine which is relabeled a jaeger engine. it covers all the parts changes and different mags, brackets and explains in details when all the different mags and parts were used. really covers all the bases. they could not use the hercules or economy name so they reference the red or green engines from the 2, 3, 5,6,7 and 8hp parts and has alot of good info i have never seen in a manual. it is 23 pages. remember it covers the engines not the mixer. if you are interested in a complete manual with all the different mixers covering 13 years, it is over 80 pages and is being reprinted. i offer this one to the engine folks who do not have a mixer. It covers the  the left and right hand engines as they reference what side of governor is on. alot of good information about the parts, carb, mags and parts. a great addition to any collection.