| Узел | Модель |
| (022) - DOWNSWEPT EXHAUST, U923, OPTIONAL EQUIPMENT | (1200) - DAVID BROWN SELECTAMATIC TRACTOR (S/N 700001 & UP) (1/67-12/71) |
| (2-08) - MANIFOLDS AND SILENCER | (1210) - DAVID BROWN DIESEL TRACTOR (S/N 11150001 & AFTER) (1/76-1/80) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (1210) - DAVID BROWN SELECTAMATIC DIESEL TRACTOR (1/71-12/76) |
| (2-08) - MANIFOLDS AND SILENCER | (1212) - DAVID BROWN DIESEL TRACTOR (S/N 11150001 & AFTER) (1/76-12/80) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (1212) - DAVID BROWN SELECTAMATIC DIESEL TRACTOR (1/71-12/76) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (885) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (990) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (995) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) |
| (A30) - ENGINE, DOWNSWEPT EXHAUST, 1210 AND 1212 TRACTORS, OPTIONAL EQUIPMENT | (996) - DAVID BROWN SELECTAMATIC TRACTOR (1/71-12/76) |