![]() Through its nearly 50-year history the N-series’ power more than doubled, from 250hp to 525hp and torque peak almost trebled. The NTC-444 set a new performance standard with 444hp at 2100rpm and peak torque of 1400lb ft at 1300rpm. It no longer had three interchangeable heads and also featured early electronic injection control of the PT fuel system. The 86NT was released in early 1986 and featured the greatest changes to the 14-litre engine since its inception. ![]() In the USA there was also a Big Cam 4 engine, but the local Cummins marketing people thought the ‘Big Cam’ nomenclature had gone far enough! ![]() Through the 1970s and 80s, the 855 cubic inch engine went through various development phases, characterised by being called ‘Big Cam 1, 2 and 3’ engines. ![]() This period also marked the introduction of Clessie Cummins’ invention, the Jake Brake, although it was manufactured by Jacobs. Learn more FREE SHIPPING Inframe Rebuild Kit for Cummins 855BC 855029-017 1,549.00 Buy in monthly payments with Affirm on orders over 50. As improvements were made to Australia’s highway network and the loads got heavier, the turbocharged Cummins N-series came into its own as a true ‘big banger’.īy the mid-60s, it was available with peak outputs of 335hp and 900lb ft. IF3801817BC Cummins 855 Big Cam IV Complete Inframe Kit 1,495.00 Buy in monthly payments with Affirm on orders over 50. ![]()
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