tender for sectional working model , working model: , two stroke petrol engine ( tender for sectional working model ) model-1655 , four stroke petrol engine ( tender for sectional working model ) model-1656 , two stroke desiel engine ( tender for sectional working model ) model-1657 , four stroke desiel engine ( tender for sectional working model ) model-1658 , disel fuel pump-actual cut section-inline type model-1629 ( a ) , disel fuel pump-actual cut section-rotary type model-1629 ( b ) , steering geometry and wheel alignment trainer model-1611 , steering system-actual working-rack and pinion type model-1609 ( a ) , steering system-actual working-worm and roller type model-1609 ( b ) , hydraulic drum brake-actual working ( 4 drums ) -1648 ( d ) , tractor differential gear assembly-actual cut section-1672 , fuel supply system of petrol engine-1628 ( a ) , epicyclic gear model ( sun and planet type )