Diesel Engines http://auto.howstuffworks.com/diesel.htm http://auto.howstuffworks.com/diesel-two-stroke.htm http://ohe.cat.com/cda/layout?m=85161&x=7 http://www.detroitdiesel.com/
Power Trains http://www.howstuffworks.com/transmission.htm http://www.roadranger.com/Roadranger/productssolutions/driveshafts/index.htm http://www.roadranger.com/Roadranger/productssolutions/transmissions/index.htm
Hydraulics http://science.howstuffworks.com/hydraulic.htm http://home.wxs.nl/~brink494/frm_e.htm http://www.hydraulicspneumatics.com/
Preventive maintenance http://www.roadranger.com/Roadranger/productssolutions/tiremanagement/index.htm http://www.roadranger.com/Roadranger/productssolutions/FleetResourceManager/index.htm http://www.roadranger.com/Roadranger/productssolutions/copyright/index.htm http://www.weibull.com/SystemRelWeb/preventive_maintenance.htm
Brakes I and II http://auto.howstuffworks.com/power-brake2.htm http://travel.howstuffworks.com/diesel-locomotive9.htm http://www.roadranger.com/Roadranger/productssolutions/brakes/index.htm
General truck and tractor http://www.etrucker.com/default.asp?magid=3 http://www.kenworth.com/parts/kw/default.asp http://internationaltrucks.com/portal/site/ITrucks/ http://www.deere.com/en_US/deerecom/usa_canada.html http://www.caseih.com/