Agriculture Model

Challenger Mt800 Tuning Specifications

Challenger Mt800 tuning specifications: factory and Stage 1 ECU remap figures for 29 engine variants. Agricultural remapping data from Regal Tuning.

Variant	Original	Stage 1	Gain	ECU	Open
2002 MT835B 15.2L I6 350 hp Diesel	350 1670 NmEstimated	400Estimated 1920 Nm	+50	Bosch EDC17CV54	Details
2002 MT835C 15.1L I6 410 hp Diesel	410 1660 NmEstimated	460Estimated 1860 Nm	+50	—	Details
2002 MT845B 15.2L I6 400 hp Diesel	400 1670 NmEstimated	450Estimated 1870 Nm	+50	—	Details
2002 MT845C 15.1L I6 440 hp Diesel	440 1660 NmEstimated	475Estimated 1860 Nm	+35	—	Details
2002 MT855B 15.2L I6 460 hp Diesel	460 1670 NmEstimated	515Estimated 1870 Nm	+55	—	Details
2002 MT855C 15.1L I6 475 hp Diesel	475 1660 NmEstimated	515Estimated 1860 Nm	+40	Bosch EDC17CV41	Details
2002 MT865 15.8L I6 500 hp Diesel	500 1740 NmEstimated	540Estimated 1950 Nm	+40	Bosch EDC17CV41	Details
2002 MT865 15.8l 500 hp Diesel	500 1740 NmEstimated	540Estimated 1950 Nm	+40	Bosch EDC17CV41	Details
2002 MT865B 18.1L I6 510 hp Diesel	510 1990 NmEstimated	570Estimated 2230 Nm	+60	Bosch EDC17CV41	Details
2002 MT865C 18.1L I6 525 hp Diesel	525 1990 NmEstimated	590Estimated 2230 Nm	+65	EDC17CV41	Details
2002 MT875B 18.1L I6 570 hp Diesel	570 1990 NmEstimated	595Estimated 2230 Nm	+25	—	Details
2002 MT875C 18.1L I6 585 hp Diesel	585 1990 NmEstimated	595Estimated 2230 Nm	+10	—	Details
2005 MT 835C 15.2l 364 hp Diesel	364 1670 NmEstimated	415Estimated 1920 Nm	+51	—	Details
2005 MT 865 14.8l 534 hp Diesel	534 1708 NmEstimated	585Estimated 1880 Nm	+51	—	Details
2005 MT835B 15.2l 350 hp Diesel	350 1670 NmEstimated	400Estimated 1920 Nm	+50	—	Details
2005 MT845B 15.2l 400 hp Diesel	400 1670 NmEstimated	450Estimated 1870 Nm	+50	—	Details
2005 MT855B 15.2l 460 hp Diesel	460 1670 NmEstimated	515Estimated 1870 Nm	+55	—	Details
2005 MT865B 18.1l 510 hp Diesel	510 1990 NmEstimated	570Estimated 2230 Nm	+60	Bosch EDC17CV41	Details
2005 MT875B 18.1l 570 hp Diesel	570 1990 NmEstimated	595Estimated 2230 Nm	+25	—	Details
2008 MT 855C 15.2l 513 hp Diesel	513 1670 NmEstimated	555Estimated 1840 Nm	+42	Bosch EDC17CV41	Details
2008 MT 865C 18.1l 591 hp Diesel	591 1990 NmEstimated	596Estimated 2230 Nm	+5	—	Details
2009 MT835C 15.1l 410 hp Diesel	410 1660 NmEstimated	460Estimated 1860 Nm	+50	—	Details
2009 MT845C 15.2l 440 hp Diesel	440 1670 NmEstimated	495Estimated 1870 Nm	+55	—	Details
2009 MT855C 15.1l 475 hp Diesel	475 1660 NmEstimated	515Estimated 1860 Nm	+40	Bosch EDC17CV41	Details
2009 MT865C 18.1l 525 hp Diesel	525 1990 NmEstimated	590Estimated 2230 Nm	+65	EDC17CV41	Details
2009 MT875C 18.1l 585 hp Diesel	585 1990 NmEstimated	595Estimated 2230 Nm	+10	—	Details
2014 MT855E 16.8l 490 hp Diesel	490 1850 NmEstimated	550Estimated 2070 Nm	+60	Bosch EDC17CV41	Details
2016 MT 855E 16.8l 455 hp Diesel	455 1850 NmEstimated	510Estimated 2070 Nm	+55	—	Details
2016 MT 875E 16.8l 598 hp Diesel	598 1913 NmEstimated	610Estimated 2100 Nm	+12	—	Details

Estimated figures are based on engine, ECU and comparable application data. Actual results can vary depending on software version, machine condition and configuration.