Emission Regulations for CI Engines (from 2016 onward)

2016

2017

5 January, 2024

2018

2019

2020

2021

2023
2024
2026
2025
2027
(NOx or NOx+NMHC / CO / PM (, PN)) or (NOx / HC / CO / PM (, PN)) Unit: g/kWh

2022

2028

2029~

Tier 4 7.5/8.0/0.40[G2+NRTC]
Tier 4 7.5/6.6/0.40[G2+NRTC]
Tier 4 4.7/5.5/0.03[C1+NRTC]
Tier 4 4.7/5.0/0.03[C1+NRTC]
Tier 4 0.40/0.19/5.0/0.02[C1+NRTC]
Tier 4 0.40/0.19/3.5/0.02[C1+NRTC]

0kW ≤ 8kW
8kW ≤ 19kW
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW
130kW ≤ 560kW

U.S.A

Phase 1（optional）
PM=0.15g/ｋWh（EPA APU）

Phase 2 PM=0.02ｇ/ｋWhor retrofit DPF

Phase 1
PM=0.15g/kWh

Phase 2 PM=0.02ｇ/ｋWhor retrofit DPF（CARB APU）
※APU: Auxiliary Power Unit (not to power truck)・ Truck TRU: Switching over to ZE Truck TUR. Beginning on December 312023, fleet owners must meet required phase-in ZE Truck TRU fleet
persentage.
・ Other than Truck TRU: Starting in 2023MY, TRUs must meet PMstandards at or below 0.03 g/kWh (ULETRU) addition to Tier 4 compliant.

(in-use reg.)7yrs after vehicle MY
ULETRU(PM=0.03g/kWh)（CARB TRU）

※TRU: Transport Refrigeration Unit

EU0kW ≤ 8kW
8kW ≤ 19kW
19kW ≤ 37kW

Stage IIIA 7.5/5.5/0.6 [C1]37kW ≤ 56kW

Stage IIIB 4.7/5.0/0.025 [C1+NRTC]

56kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW

Stage V 7.50/8.00 /0.40 [G2 or C1]
Stage V 7.50/6.60/0.40 [G2 or C1]
Stage V 4.70/5.00/0.015, 1×10 12 [C1+NRTC]
Stage V 4.70/5.00/0.015, 1×10 12 [C1+NRTC]
Stage V 0.40/0.19/5.00/0.015, 1×10 12 [C1+NRTC]
Stage V 0.40/0.19/5.00/0.015, 1×10 12 [C1+NRTC]

Stage IV 0.4/0.19/5.0/0.025 [C1+NRTC]
Stage IV 0.4/0.19/5.0/0.025 [C1+NRTC]
Stage IV 0.4/0.19/3.5/0.025 [C1+NRTC]

2016

2017

2018

2019

< 19kW

Stage V 0.40/0.19/3.50/0.015, 1×10 12 [C1+NRTC]
2020
2021
2022
2023
2024
Voluntary emission regulations Tier 2 (LEMA) Tier 4 equivalent

Japan

2025

2026

2027

2028

2029~

2025

2026

2027

2028

2029~

2028

2029~

Designation System of the Low Emission Construction Machineries Tier 3 7.5/5.0/0.8, 40(smoke[%])[C1]
Designation System of the Low Emission Construction Machineries Tier 3 6.0/1.0/5.0/0.4, 40(smoke[%])[C1]
Designation System of the Low Emission Construction Machineries Tier 3 4.0/0.7/5.0/0.3, 35(smoke[%])[C1]
Designation System of the Low Emission Construction Machineries Tier 3 4.0/0.7/5.0/0.25, 30(smoke[%])[C1]
Designation System of the Low Emission Construction Machineries Tier 3 3.6/0.4/5.0/0.2, 25(smoke[%])[C1]

8kW < 19kW
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW75kW ≤ 130kW※Smoke applied to machines only.

on/off 2014 Regulation 4.0/0.7/5.0/0.03 [C1+NRTC] ,0.5(smoke[m -1])※
on/off 2014 Regulation 4.0/0.7/5.0/0.025 [C1+NRTC] ,0.5(smoke[m -1])※

19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW

on/off 2014 Regulation 0.4/0.19/5.0/0.02 [C1+NRTC] ,0.5(smoke[m -1])※

75kW ≤ 130kW

on/off 2014 Regulation 0.4/0.19/5.0/0.02 [C1+NRTC] ,0.5(smoke[m -1])※

130kW ≤ 560kW

on/off 2014 Regulation 0.4/0.19/3.5/0.02 [C1+NRTC] ,0.5(smoke[m -1])※201820192020
2021
2017●no flexibility period

20162022
2023●no flexibility period2024※ Smoke std. for equipment started on 1 Dec. 2018. Class II applies to entire China, III only to area where use of highly emitted designated NRMM is prohibited.

China

Stage III 7.5/5.5/0.60 [G2]Stage III 7.5/5.5/0.60 [C1]Stage III 4.7/5.0/0.40 [C1]Stage III 4.7/5.0/0.40 [C1]Stage III 4.0/5.0/0.30 [C1]Stage III 4.0/3.5/0.20 [C1]0kW ≤ 19kW
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW75kW ≤ 130kW
130kW ≤ 560kW

Stage IV 7.5/5.5/0.60 [(G2 or C1)+NRTC] ※II: 2.00 m-1, III: 0.80 m-1
Stage IV 7.5/5.5/0.60 [C1+NRTC]※II: 1.00 m-1, III: 0.80 m-1
Stage IV 4.7/5.0/0.025 [C1+NRTC] ※II: 0.80 m-1, III: 0.50 m-1
Stage IV 3.3/0.19/5.0/0.025 [C1+NRTC] ※II: 0.80 m-1, III: 0.50 m-1
Stage IV 3.3/0.19/5.0/0.025 [C1+NRTC] ※II: 0.80 m-1, III: 0.50 m-1
Stage IV 2.0/0.19/3.5/0.025 [C1+NRTC] ※II: 0.80 m-1, III: 0.50 m-1↑ Dec. 2022~

Beijing

0kW ≤ 8kW
8kW ≤ 19kW
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW
2016
0kW ≤ 8kW(Const.)
8kW ≤ 19kW(Const.)
19kW ≤ 37kW(Const.)

Stage IV 7.5/5.5/0.6 [(G2 or C1)+NRTC]
Stage IV 7.5/5.5/0.6 [(G2 or C1)+NRTC]
Stage IV 7.5/5.5/0.6 [C1+NRTC]
Stage IV 4.7/5.0/0.025 [C1+NRTC]
Stage IV 3.3/0.19/ 5.0/0.025 [C1+NRTC]
Stage IV 3.3/0.19/ 5.0/0.025 [C1+NRTC]
Stage IV 2.0/0.19/ 3.5/0.025 [C1+NRTC]2018201920202021
2017
Stage IV 7.5/8.0/0.4 [G2+NRTC]→ Dec. 2020~
Stage IV 7.5/6.6/0.4 [G2+NRTC]
Stage IV 4.7/5.5/0.03 [C1+NRTC]

Korea

37kW ≤ 56kW(Const.)

Stage IV 4.7/5.0/0.03 [C1+NRTC]

56kW ≤ 130kW(Const.)

Stage IV 0.4/0.19/5.0/0.025 [C1+NRTC]

130kW ≤ 560kW(Const.)

Stage IV 0.4/0.19/3.5/0.025 [C1+NRTC]

Stage IV 4.7/5.0/0.03 [C1+NRTC]

56kW ≤ 130kW(Ag.)

Stage IV 0.4/0.19/5.0/0.025 [C1+NRTC]

India

0kW ≤ 8kW（Const.）
8kW ≤ 19kW(Const.）
19kW ≤ 37kW(Const.）
37kW ≤ 56kW(Const.）
56kW ≤ 75kW(Const.）
75kW ≤ 130kW(Const.）
130kW ≤ 560kW(Const.）→ Jul. 2021~

Stage Ⅴ 7.5/8.0/0.4 [G2]Stage Ⅴ 7.5/6.6/0.4 [G2]Stage Ⅴ 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Stage Ⅴ 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Stage Ⅴ 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]

Stage IV 0.4/0.19/3.5/0.025 [C1+NRTC]
2018
2019
2020
2021
2022
Bharat Stage IIIA 8.5/5.5/0.80 [C1]
Bharat Stage IIIA 8.5/5.5/0.80 [C1]
Bharat Stage IIIA 7.5/5.5/0.60 [C1]
Bharat Stage IIIA 4.7/5.0/0.40 [C1]
Bharat IIIA 4.7/5.0/0.40 [C1]
Bharat Stage IIIA 4.0/5.0/0.30 [C1]
Bharat Stage IIIA 4.0/3.5/0.20 [C1]2023Stage Ⅴ 0.4/0.19/3.5/0.015, 1×10 12 [C1+NRTC]
2024
2026
2025
← Apr. 2026~

BS IV 0.4/0.19/5.0/0.025[C1+NRTC]
BS IV 0.4/0.19/3.5/0.025 [C1+NRTC]

2028
2029~
Bharat Stage V 7.5/8.0/0.4[C1]
Bharat Stage V 7.5/6.6/0.4[C1]

Bharat Stage V 7.5/8.0/0.4[C1]
Bharat Stage V 7.5/6.6/0.4[C1]
Bharat Stage V 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/3.5/0.015, 1×10 12 [C1+NRTC]CPCB IV+ 7.5/3.5/0.30 smoke 0.7m -1
CPCB IV+ 4.7/3.5/0.30 smoke 0.7m -1
CPCB IV+ 4.7/3.5/0.03 smoke 0.7m -1
CPCB IV+ 4.7/3.5/0.03 smoke 0.7m -1←1 Jul. 2023〜

CPCB II 7.5/3.5/0.3 [D2]2027

Bharat Stage V 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 4.7/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]
Bharat Stage V 0.4/0.19/3.5/0.015, 1×10 12 [C1+NRTC]

BS IV 4.7/5.0/0.025 [C1+NRTC]
BS IV 0.4/0.19/5.0/0.025[C1+NRTC]

Bharat Stage III 7.5/8.0/0.80 [C1]
Bharat Stage III 7.5/6.6/0.80 [C1]
Bharat Stage III 7.50/5.5/0.60 [C1]
↓ Apr. 2021~
Bharat Stage III 4.7/5.0/0.40 [C1]
Bharat Stage IV 4.7/5.0/0.025 [C1+NRTC]
Bharat Stage IV 0.4/0.19/5.0/0.025[C1+NRTC]
Bharat Stage III 4.7/5.0/0.40 [C1]
Bharat Stage IV 0.4/0.19/5.0/0.025[C1+NRTC]
Bharat Stage III 4.0/5.0/0.30 [C1]
Bharat Stage IV 0.4/0.19/3.5/0.025 [C1+NRTC]
Bharat Stage III 4.0/3.5/0.20 [C1]CPCB II 4.7/3.5/0.3 [D2]CPCB II 4.7/3.5/0.2 [D2]
2016

2017

2018

2019

2020

2021

Brazil19kW ≤ 37kW(Ag.）
37kW ≤ 56kW(Ag.）
56kW ≤ 75kW(Ag.）
75kW ≤ 130kW(Ag.）
130kW ≤ 560kW(Ag.）

2022
2023
2024
Proconve MAR-I 7.5 /5.5 /0.6 [C1]
Proconve MAR-I 4.7/5.0/0.4 [C1]
Proconve MAR-I 4.7/5.0/0.4 [C1]
Proconve MAR-I 4.0/5.0/0.3 [C1]
Proconve MAR-I 4.0/3.5/0.2 [C1]CPCB IV+ 0.67/0.19/3.5/0.03 smoke 0.7m -1
2026
2025
2027

Chile
Australia
NSW

2028

2029~

2028

2029~

20282029~

Proconve MAR-I 7.5 /5.5 /0.6 [C1]
Proconve MAR-I 4.7/5.0/0.4 [C1]
Proconve MAR-I 4.7/5.0/0.4 [C1]
Proconve MAR-I 4.0/5.0/0.3 [C1]
Proconve MAR-I 4.0/3.5/0.2 [C1]19kW ≤ 37kW(Const.）
37kW ≤ 56kW(Const.）
56kW ≤ 75kW(Const.）
75kW ≤ 130kW(Const.）
130kW ≤ 560kW(Const.）
19kW ≤ 37kW(Ag.）
37kW ≤ 56kW(Ag.）
56kW ≤ 75kW(Ag.）
75kW ≤ 130kW(Ag.）
130kW ≤ 560kW(Ag.）← 21 Oct. 2024~

19kW ≤ 37kW(others）
37kW ≤ 56kW(others）
56kW ≤ 75kW(others）
75kW ≤ 130kW(others）
130kW ≤ 560kW(others）
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW

2027

Stage Ⅴ 4.7/5.0/0.015, 1×10 12 [C1+NRTC]2017

0kW ≤ 8kW（Gen set）
8kW ≤ 19kW(Gen set）
19kW ≤ 37kW(Gen set）
37kW ≤ 56kW(Gen set）
56kW ≤ 75kW(Gen set）
75kW ≤ 800kW(Gen set）
56kW ≤ 560kW(Gen set）

2026

2025

Stage Ⅴ 0.4/0.19/3.5/0.015, 1×10 12 [C1+NRTC]

37kW ≤ 56kW(Ag.)

2016

2023
2024
Stage Ⅴ 7.5/8.0/0.4 [G2]Stage Ⅴ 7.5/6.6/0.4 [G2]Stage Ⅴ 0.4/0.19/5.0/0.015, 1×10 12 [C1+NRTC]

Stage IV 7.5/8.0/0.4 [G2+NRTC]
Stage IV 7.5/6.6/0.4 [G2+NRTC]
Stage IV 4.7/5.5/0.03 [C1+NRTC]

0kW ≤ 8kW（Ag.）
8kW ≤ 19kW(Ag.）
19kW ≤ 37kW(Ag.）
37kW ≤ 56kW(Ag.）
56kW ≤ 75kW(Ag.）
75kW ≤ 130kW(Ag.）
130kW ≤ 560kW(Ag.）

2022

Stage Ⅴ 4.7/5.0/0.015, 1×10 12 [C1+NRTC]

0kW ≤ 8kW(Ag.)
8kW ≤ 19kW(Ag.)
19kW ≤ 37kW(Ag.)

130kW ≤ 560kW(Ag.)

Integrated into National Stage IV← 21 Oct. 2023~

2016
2017
Tier 3 equivalent
Tier 3 equivalent
Tier 3 equivalent
Tier 3 equivalent
Tier 3 equivalent20182019

2020

2021

2022

2023
Tier 4 equivalent
Tier 4 equivalent
Tier 4 equivalent
Tier 4 equivalent
Tier 4 equivalent

2024

2025

Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
Stage IV equivalent
2026

2027

※items purchased by government of NSW(New South Wales State)

Turkey0kW ≤ 19kW
19kW ≤ 37kW
37kW ≤ 56kW
56kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW

Indonesia18kW ≤ 37kW
37kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW

SouthAfrica

19kW ≤ 37kW
37kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW

Morocco18kW ≤ 37kW
37kW ≤ 75kW
75kW ≤ 130kW
130kW ≤ 560kW← 1 Oct. 2022~
Stage IIIA equivalent
Stage IIIA equivalent
Stage IIIA equivalent
Stage IIIA equivalent
Stage IIIA equivalent

2016

20172018

2019

2020

Stage IIIA equivalent
Stage IIIA equivalent
Stage IIIA equivalent
Stage IIIA equivalent
Stage II equivalent
Stage II equivalent
Stage II equivalent
Stage II equivalent2021

NOTE: Depending on regulation, smoke requirement and/or D2 cycle for Gen.set may be applied.

2022

Stage V equivalent
Stage V equivalent
Stage V equivalent
Stage V equivalent
Stage V equivalent
Stage V equivalent

202320242026
2025
2027
(NOx or NOx+NMHC / CO / PM (, PN)) or (NOx / HC / CO / PM (, PN)) Unit: g/kWh