Tractor Engineers Limited offers Bimetallic Sleeved Liner. Tractor Engineers Limited is an ISO 9001-2000 certified company. The Company also Manufactures crawler undercarriage and track parts. The Bimetallic Sleeved Liner is an assembly of liner shell with liner sleeve. The liner shell is centrifugally cast and heat treated to withstand hoop stress generated in shrink fitting and stress reversal during operation. The liner sleeve is made of high chromium alloyed martensitic white iron and thin walled seamless tube.