New Vehicle and Engine Certification: Executive Orders for MY2025 Off-Road Compression-Ignition Engines
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The New Vehicle and Engine Certification Program is responsible for the certification of new engines, vehicles, powertrains, aerodynamic devices and other new certifications. Vehicles and engines may be sold and otherwise produced in California only if approved by Executive Order (EO) after review by CARB. Executive Orders are issued for on-road and off-road categories.
Scanned copies of issued Executive Orders may be requested via email.
The following Executive Orders granted to the listed manufacturers of off-road compression-ignition engines have been issued during the 2025 model year, as of June 6, 2024.
Further information is available in the Executive Orders Summary.
For questions, please contact Heavy-Duty Certification or Help Line at 1-800-242-4450.
CATERPILLAR, INC.
EO # | Date | Engine Family | Fuel System | Fuels | Tier | Cert Levels | ||||
---|---|---|---|---|---|---|---|---|---|---|
xxHC | NOx | xxHC+NOx | CO | PM | ||||||
U‑R‑001‑0693 | 4/24/2020 | SCPXL09.3HTF | DDI | DIESEL | Tier 4 | 0.02 | 0.12 | 0.07 | 0.014 | |
U‑R‑001‑0694 | 4/24/2024 | SCPXL09.3NTF | DDI | DIESEL | Tier 4 | 0.04 | 0.194 | 0.2 | 0.008 | |
U‑R‑001‑0695 | 4/24/2024 | SCPXL12.5HTF | DDI | DIESEL | Tier 4 | 0.05 | 0.256 | 0.02 | 0.01 | |
U‑R‑001‑0696 | 4/24/2024 | SCPXL12.5NTF | DDI | DIESEL | Tier 4 | 0.08 | 0.23 | 0.15 | 0.012 | |
U‑R‑001‑0697 | 4/25/2024 | SCPXL15.2HTF | DDI | DIESEL | Tier 4 | 0.06 | 0.11 | 0.1 | 0.011 | |
U‑R‑001‑0698 | 4/25/2024 | SCPXL18.1HTF | DDI | DIESEL | Tier 4 | 0.04 | 0.11 | 0.01 | 0.012 | |
U‑R‑001‑0699 | 4/25/2024 | SCPXL18.1HTH | DDI | DIESEL | Tier 4 | 0.018 | 0.102 | 0.01 | 0.007 | |
U‑R‑001‑0700 | 4/25/2024 | SCPXL18.1HXF | DDI | DIESEL | Tier 4 | 0.028 | 2.88 | 0 | 0.037 | |
U‑R‑001‑0701 | 5/3/2024 | SCPXL27.0HXF | DDI | DIESEL | Tier 4 | 0.041 | 3.08 | 0.01 | 0.029 | |
U‑R‑001‑0702 | 4/24/2024 | SCPXL32.1HXF | DDI | DIESEL | Tier 4 | 0.033 | 2.63 | 0.01 | 0.01 | |
U‑R‑001‑0703 | 4/24/2024 | SCPXL32.1HXG | DDI | DIESEL | Tier 4 | 0.048 | 3.1 | 0.01 | 0.039 | |
U‑R‑001‑0704 | 4/24/2024 | SCPXL58.6HXF | DDI | DIESEL | Tier 4 | 0.056 | 3.18 | 0.03 | 0.033 | |
U‑R‑001‑0705 | 4/24/2024 | SCPXL58.6HXG | DDI | DIESEL | Tier 4 | 0.032 | 3.19 | 0.01 | 0.02 | |
U‑R‑001‑0706 | 5/6/2024 | SCPXL78.1NSG | DDI | DIESEL | Tier 4 | 0.016 | 0.56 | 0.01 | 0.074 | |
U‑R‑001‑0707 | 5/10/2024 | SCPXL78.1NVF | DDI | DIESEL | Tier 4 | 0.056 | 2.69 | 0.82 | 0.024 | |
U‑R‑001‑0708 | 5/10/2024 | SCPXL106.NVF | DDI | DIESEL | Tier 4 | 0.064 | 2.992 | 1.94 | 0.027 |
ISUZU MOTORS
EO # | Date | Engine Family | Fuel System | Fuels | Tier | Cert Levels | ||||
---|---|---|---|---|---|---|---|---|---|---|
xxHC | NOx | xxHC+NOx | CO | PM | ||||||
U‑R‑006‑0551 | 5/3/2024 | SSZXL02.2PXB | DDI | DIESEL | Tier 4 | 3.2 | 0.01 | 0.025 | ||
U‑R‑006‑0552 | 5/3/2024 | SSZXL02.2PXC | DDI | DIESEL | Tier 4 | 3.59 | 0.07 | 0.018 | ||
U‑R‑006‑0553 | 5/3/2024 | SSZXL02.2ZTA | DDI | DIESEL | Tier 4 | 4.11 | 0.2 | 0.021 | ||
U‑R‑006‑0554 | 5/7/2024 | SSZXL02.2ZTB | DDI | DIESEL | Tier 4 | 3.67 | 0.02 | 0.028 | ||
U‑R‑006‑0555 | 5/3/2024 | SSZXL03.0PTA | DDI | DIESEL | Tier 4 | 4.11 | 0.22 | 0.02 |
MITSUBISHI HEAVY INDUSTRIES, LTD.
EO # | Date | Engine Family | Fuel System | Fuels | Tier | Cert Levels | ||||
---|---|---|---|---|---|---|---|---|---|---|
xxHC | NOx | xxHC+NOx | CO | PM | ||||||
U‑R‑035‑0406 | 1/24/2024 | SMVXL0.64EBB | IDI | DIESEL | Tier 4 | 5.9 | 3.2 | 0.114 | ||
U‑R‑035‑0407 | 1/24/2024 | SMVXL01.0EBB | IDI | DIESEL | Tier 4 | 5.7 | 2.73 | 0.2 | ||
U‑R‑035‑0408 | 1/24/2024 | SMVXL01.0EDC | IDI | DIESEL | Tier 4 | 6.54 | 3.36 | 0.25 | ||
U‑R‑035‑0409 | 1/24/2024 | SMVXL01.8EBB | IDI | DIESEL | Tier 4 | 5.82 | 2.13 | 0.131 |
YANMAR POWER TECHNOLOGY CO., LTD.
EO # | Date | Engine Family | Fuel System | Fuels | Tier | Cert Levels | ||||
---|---|---|---|---|---|---|---|---|---|---|
xxHC | NOx | xxHC+NOx | CO | PM | ||||||
U‑R‑028‑1137 | 2/12/2024 | SYDXL.993NWB | IDI | DIESEL | Tier 4 | 5.8 | 2.8 | 0.19 | ||
U‑R‑028‑1138 | 2/12/2024 | SYDXL01.3NWB | IDI | DIESEL | Tier 4 | 5.6 | 1.6 | 0.14 |