The final Stage III limits in GB20891-2014 are summarized Table 2. Limits for engines between 37 and 560 kW were based on EU Stage IIIA standards. Limits for engines above 560 kW and under 37 kW were based on US Tier 2 requirements. Stage III engines were tested over the ISO 8178 cycle. Durability requirements for Stage III and Stage IV engines are shown in Table 3 [3965][3053].

The compliance dates for Stage III diesel engine standards were [3966]:

New engine types: 2014.10

       All new engines: 2015.10

       After 2016.04, all new non-road mobile machinery required a Stage III engine

   After 2016.12, all new agricultural machinery required a Stage III engine            REFERENCE:

   https://dieselnet.com/standards/cn/nonroad.php

The final Stage III limits in GB20891-2014 are summarized Table 2. Limits for engines between 37 and 560 kW were based on EU Stage IIIA standards. Limits for engines above 560 kW and under 37 kW were based on US Tier 2 requirements. Stage III engines were tested over the ISO 8178 cycle. Durability requirements for Stage III and Stage IV engines are shown in Table 3 [3965][3053].

The compliance dates for Stage III diesel engine standards were [3966]:

New engine types: 2014.10

       All new engines: 2015.10

       After 2016.04, all new non-road mobile machinery required a Stage III engine

   After 2016.12, all new agricultural machinery required a Stage III engine            REFERENCE:

   https://dieselnet.com/standards/cn/nonroad.php