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Non-road steady-state test cycles (NRSC) Table IV-1: NRSC test cycles for engines of category NRE Category Speed operation Purpose Sub-category NRSC NRE variable Variable-speed engine having a reference power of less than 19 kW NRE-v-1 NRE-v-2 G2 or C1 Variable-speed engine having a reference power greater than or equal to 19 kW but not more than 560 kW NRE-v-3 NRE-v-4 NRE-v-5 NRE-v-6 C1 Variable-speed engine having a reference power greater than 560 kW NRE-v-7 C1 constant Constant-speed engine NRE-c-1 NRE-c-2 NRE-c-3 NRE-c-4 NRE-c-5 NRE-c-6 NRE-c-7 D2 Table IV-2: NRSC test cycles for engines of category NRG Category Speed operation Purpose Sub-category NRSC NRG variable Variable-speed engine for generating set NRG-v-1 C1 constant Constant-speed engine for generating set NRG-c-1 D2 Table IV-3: NRSC test cycles for engines of category NRSh Category Speed operation Purpose Sub-category NRSC NRSh variable or constant Engine having a reference power of not more than 19 kW, for use in hand-held machinery NRSh-v-1a NRSh-v-1b G3 Table IV-4: NRSC test cycles for engines of category NRS Category Speed operation Purpose Sub-category NRSC NRS variable < 3 600 rpm

Variable-speed engine having a reference power of not more than 19 kW, intended for operation < 3 600 rpm NRS-vi-1a NRS-vi-1b G1 variable ≥ 3 600 rpm; or constant Variable-speed engine having a reference power of not more than 19 kW, intended for operation ≥ 3 600 rpm; constant-speed engine having a reference power of not more than 19 kW NRS-vr-1a NRS-vr-1b G2 variable or constant Engine having both a reference power of between 19 kW and 30 kW and a total swept volume of less than 1 litre NRS-v-2a G2 Engine having a reference power greater than 19 kW, other than engine having both a reference power of between 19 kW and 30 kW and a total swept volume of less than 1 litre NRS-v-2b NRS-v-3 C2 Table IV-5: NRSC test cycles for engines of category IWP Category Speed operation Purpose Sub-category NRSC IWP variable Variable-speed engine intended for propulsion that operates on a fixed-pitch propeller curve IWP-v-1 IWP-v-2 IWP-v-3 IWP-v-4 E3 constant Constant-speed engine intended for propulsion that operates with a controllable-pitch or electrically coupled propeller IWP-c-1 IWP-c-2 IWP-c-3 IWP-c-4 E2 Table IV-6: NRSC test cycles for engines of category IWA Category Speed operation

Purpose Sub-category NRSC IWA variable Variable-speed engine intended for auxiliary use on inland waterway vessels IWA-v-1 IWA-v-2 IWA-v-3 IWA-v-4 C1 constant Constant-speed engine intended for auxiliary use on inland waterway vessels IWA-c-1 IWA-c-2 IWA-c-3 IWA-c-4 D2 Table IV-7: NRSC test cycles for engines of category RLL Category Speed operation Purpose Sub-category NRSC RLL variable Variable-speed engine for propulsion of locomotives RLL-v-1 F constant Constant-speed engine for propulsion of locomotives RLL-c-1 D2 Table IV-8: NRSC test cycles for engines of category RLR Category Speed operation Purpose Sub-category NRSC RLR variable Variable-speed engine for propulsion of railcars RLR-v-1 C1 constant Constant-speed engine for propulsion of railcars RLR-c-1 D2 Table IV-9: NRSC test cycles for engines of category SMB Category Speed operation Purpose Sub-category NRSC SMB variable or constant Engines for propulsion of snowmobiles SMB-v-1 H Table IV-10: NRSC test cycle for engines of category ATS Category Speed operation Purpose Sub-category NRSC ATS variable or constant Engines for propulsion of ATVs or SbS ATS-v-1 G1 Non-road transient test cycles

Table IV-11: Non-road transient test cycle for engines of category NRE Category Speed operation Purpose Sub-category NRE variable Variable-speed engine having reference power greater than or equal to 19 kW but not more than 560 kW NRE-v-3 NRE-v-4 NRE-v-5 NRE-v-6 NRTC Table IV-12: Non-road transient test cycle for engines of category NRS Category Speed operation Purpose Sub-category NRS variable or constant Engine having a reference power greater than 19 kW, other than engine having both a reference power of between 19 kW and 30 kW and a total swept volume of less than 1 litre NRS-v-2b NRS-v-3 LSI-NRTC Only applicable for engines with maximum test speed ≤ 3 400 rpm.