Posted 3/26/2020 22:54 (#8142051 - in reply to #8142003) Subject: RE: Challenger 45 and 55 opinions
Challengers 35 and 45 have the model 3116 mechanical engine at 402 cubes. The 55 has the model 3126 mechanical fuel at 440 cubes. HEUI injectors were NOT used on small frame Challengers until the MT735-745-755-765 tractors with C-9 engines.