For the rebuilt engine this is the work that was performed:
>> The head, block, crank and rods are checked for cracks and straightness
>> The main bearing journals in the block are line honed
>> The crank may be ground or replaced
>> The head and block are surfaced as needed
>> The rods are reconditioned - big ends re-sized, new bushings installed, and they are matched for length
>> These parts are all replaced
>> All bearings
>> freeze plugs
>> pistons
>> valves
>> valve guides
>> valve lifters (depending on engine)
>> cam is re-used, reground, or replaced depending
>> glow plugs (depending on engine)
>> gaskets and seals
>> The rotating assembly is balanced.
>> The fuel pump is serviced as needed
>> fuel injectors are rebuilt
>> turbo is checked, re-sealed and balanced.
>>And Rebuilt Injector pump.