CASE DAVID BROWN TRACTOR 770 780 880 990 1200 3800 4600 WORKSHOP SERVICE REPAIR MANUAL Sections include: Axle Brakes Clutch Cooling Fuel Turbo Differentail Elec sys Engine Final drives Front sys Hydraulic sys Power shift clutch Power take off PTO Streering Transmittion ------------------- AS YOU CAN SEE IT COVERS ALL YOU NEED TO KNOW ;-)