I have built a house off grid. Plenty of sun for solar(4kw system) and also 2 home built wind turbines (avg daily 450A) for when the sun isn't out, which is basically night time. I have a small 4 cyl Diesel engine that I have running now on home made bio diesel, cost to make is about 1/4 of bowser price. I want to mount it in a frame and use 4 * 24v truck alternators to supplement the charging of my 12v battery bank (2500AH). Is this possible? And what restrictions would it place upon my system? I am running all 12v lighting, fridge, TV etc the only thing that isn't 12v is the washing machine it's still 240v which I use a seperate generator for.