1. TRACTORS 2. AGRICULTURAL 3. DAVID BROWN 4. (990) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) 5. Gearbox Select section Gearbox Case: (C02) - GEARBOX, 885, 990, 995 AND 996 TRACTORS (C04) - GEARBOX, DRIVESHAFT AND LAYSHAFTS, 885, 990, 995 AND 996 TRACTORS (C06) - GEARBOX, SELECTOR MECHANISM, 885, 990, 995 AND 996 TRACTORS (C08) - GEARBOX, BEVEL PINION SHAFT - SYNCHROMESH GEARBOXES, 885 990, 995 AND 996 TRACTORS (C10) - GEARBOX, BEVEL PINION SHAFT, NON-SYNCHROMESH GEARBOXES, 885 AND 990 TRACTORS (C32) - GEARBOX, DIFFERENTIAL - ALL MODELS (C34) - GEARBOX, DIFFERENTIAL LOCK - ALL MODELS sale parts diagram catalog online construction equipment excavator tractor Truck sale: Call 1975 CASE 990 Hillsboro Equipment, Inc.HILLSBORO, Wisconsin