This is a workshop manual for a David Brown 770, 780, 880 (starting with serial number 52101), 990 (starting with serial number 467871), 1200, 3800, 4600 as used by distributors/dealers. The reader will be included on the cd. Save £££'s on plant mechanic fee's performing your own service and repairs! Covers the following: BELT PULLEY BRAKE, CLUTCH CARBURETOR, PETROL CLUTCH, SINGLE DISC CLUTCH, DUAL DISC COOLING SYSTEM DIESEL FUEL SYSTEM DIFFERENTIAL ELECTRICAL SYSTEM ENGINE FINAL DRIVE ASSEMBLY FRONT AXLE GOVERNOR (NON DIESEL) HYDRAULIC LIFT SYSTEM IGNITION SYSTEM POWER STEERING POWER TAKE-OFF REAR AXLE STEERING GEAR TRANSMISSION