Related by context. Frequent words. (Click for all words.) 68 aftertreatment 67 Selective Catalytic Reduction SCR 65 urea injection 63 diesel particulate filter 61 turbo diesel engine 60 diesel engine 59 variable geometry turbocharger 59 BlueTec 59 particulate filter 59 reduce NOx emissions 58 #.# liter Duratorq 58 turbodiesel engine 58 evaporative emissions 58 diesel particulate filters 58 diesel engines 57 gas recirculation 57 nitrogen oxide NOx emissions 56 ULEV 56 Dual Fuel 56 particulate filters 56 V6 diesel 56 exhaust emission 56 ACERT 56 kW/# hp [002] 55 Ti VCT 55 Vapor Flo ® 55 #.#L engine 55 hybrid drivetrain 55 drivetrain components 54 Apriso FlexNet 54 variable valve 54 turbodiesels 54 gas recirculation EGR 54 PACCAR MX engine 54 electric drivetrain 54 hybrid powertrains 54 #.#L diesel 54 Duratec 53 R#a 53 NOx reduction 53 H2GO TM 53 hydrogen internal combustion 53 #kVA [002] 53 AuraGen 53 V6 engines 53 Ecotec engine 53 #.# liter Duratec 53 aluminum spaceframe 53 particulate emissions 53 naturally aspirated engine 53 Biobutanol 53 diaphragm pumps 53 turbocharging 53 dynamometers 53 speed automatic transaxle 53 reciprocating engines 52 #kW [002] 52 chassis cabs 52 cylinder turbocharged 52 HYbrid4 52 drivelines 52 electrohydraulic 52 Kenworth trucks 52 piezo injectors 52 genset 52 automated manual transmission 52 brushless motor 52 Duramax 52 cyl 52 ECOnetic 52 VVT i 52 cylinder deactivation 52 selective catalytic reduction 52 Multijet 52 continuously variable valve 52 #L# [004] 52 EcoBoost engine 51 dry sump lubrication 51 hybrid powertrain 51 turbocharged diesel 51 #.# liter HDi 51 BLUETEC 51 #.# liter Ecotec 51 twin turbochargers 51 NOx emissions 51 oxyfuel 51 Ford EcoBoost 51 SCR catalyst 51 NOx 51 mpg city/# highway 51 twin turbos 51 Stability Control 51 hydraulic steering 51 cylinder turbo diesel 51 exhaust emissions 51 twin scroll turbocharger 51 sulfur fuels 51 synthetic lubricants 51 Fuel Injection 50 cylinder diesel 50 MaxxForce