1. TRACTORS 2. AGRICULTURAL 3. DAVID BROWN 4. (990) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) 5. Final Drive Reductions Select section Final Drive Reductions Case: (D04) - FINAL DRIVES, FINAL DRIVE REDUCTION UNITS, 990, 995 AND 996 TRACTORS, WITH STANDARD REAR AXLE CASE (D08) - FINAL DRIVES, FINAL DRIVE REDUCTION UNITS, 1210 AND 1212 TRACTORS (D12) - FINAL DRIVES, FINAL DRIVE REDUCTION BREATHER ASSEMBLIES sale parts diagram catalog online construction equipment excavator tractor Truck sale: Call 1975 CASE 990 Hillsboro Equipment, Inc.HILLSBORO, Wisconsin