New Vehicle and Engine Certification: Executive Orders for MY1998 Off-Road Compression-Ignition Engines

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 1998 model year, as of September 13, 2023.

Further information is available in the Executive Orders Summary.

For questions, please contact Heavy-Duty Certification or Help Line at 1-800-242-4450.

AB VOLVO PENTA

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑014‑0010	3/2/1998	WVPXL05.5ABA	DIESEL				0.6	0.2
U‑R‑014‑0011	3/2/1998	WVPXL06.7ABA	DIESEL				0.5	0.1
U‑R‑014‑0012	3/2/1998	WVPXL09.6ABA	DIESEL				0.6	0.1
U‑R‑014‑0013	3/2/1998	WVPXL12.0ABA	DIESEL				0.5	0.1
U‑R‑014‑0014	3/2/1998	WVPXL12.0ACB	DIESEL				0.8	0.1
U‑R‑014‑0015	3/2/1998	WVPXL16.0ACB	DIESEL				0.4	0.2
U‑R‑014‑0016	3/2/1998	WVPXL09.6ACB	DIESEL				0.8	0.1
U‑R‑014‑0017	3/2/1998	WVPXL05.5AAA	DIESEL				1	0.2
U‑R‑014‑0018	3/2/1998	WVPXL06.7AAA	DIESEL				0.7	0.2
U‑R‑014‑0019	3/2/1998	WVPXL09.6AAA	DIESEL				0.8	0.2

CASE CORP.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑011‑0007	12/31/1997	WX9XL0239ABA	DIESEL				0.7	0.2
U‑R‑011‑0008	12/31/1997	WX9XL0239ACA	DIESEL				0.4	0.1
U‑R‑011‑0009	12/31/1997	WX9XL0359AAA	DIESEL				0.7	0.2
U‑R‑011‑0010	12/31/1997	WX9XL0359ABA	DIESEL				0.6	0.1
U‑R‑011‑0011	12/31/1997	WX9XL0505AAA	DIESEL				0.6	0.2
U‑R‑011‑0012	12/31/1997	WX9XL0505ABA	DIESEL				0.7	0.2
U‑R‑011‑0013	12/31/1997	WX9XL0505ABB	DIESEL				0.5	0.2
U‑R‑011‑0014	12/31/1997	WX9XL0505ACA	DIESEL				0.5	0.2
U‑R‑011‑0015	7/23/1998	WX9XL0505ABC	DIESEL				0.7	0.1

CATERPILLAR, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Cert Levels
					xxHC	NOx	xxHC+NOx	CO	PM
					xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑001‑0050	12/9/1997	WCPXL14.6ERK		DIESEL				0.8	0.1
U‑R‑001‑0051	12/9/1997	WCPXL10.3ERK		DIESEL				2.2	0.1
U‑R‑001‑0052	12/9/1997	WCPXL12.0ERM		DIESEL				1.67	0.1
U‑R‑001‑0053	12/9/1997	WCPXL06.6MRB		DIESEL				1.1	0.2
U‑R‑001‑0054	12/9/1997	WCPXL06.6MRC		DIESEL				1.26	0.2
U‑R‑001‑0055	12/9/1997	WCPXL10.5MRD		DIESEL				1.35	0.2
U‑R‑001‑0056	12/9/1997	WCPXL07.2MRC		DIESEL				1.8	0.2
U‑R‑001‑0057	12/9/1997	WCPXL07.0MRB		DIESEL				1.7	0.2
U‑R‑001‑0058	12/9/1997	WCPXL07.2HRK		DIESEL				0.43	0.1
U‑R‑001‑0059	12/9/1997	WCPXL10.5MRF	INDIRECT DIESEL INJECTION	DIESEL				2.03	0.4
U‑R‑001‑0060	12/9/1997	WCPXL10.4MRA	INDIRECT DIESEL INJECTION	DIESEL				1.3	0.3
U‑R‑001‑0061	12/9/1997	WCPXL18.0MRJ		DIESEL				2.2	0.3
U‑R‑001‑0062	12/9/1997	WCPXL10.5MRG		DIESEL				1.57	0.2
U‑R‑001‑0063	12/9/1997	WCPXL14.6MRC		DIESEL				0.82	0.1
U‑R‑001‑0064	12/9/1997	WCPXL14.6MRJ		DIESEL				2.67	0.3
U‑R‑001‑0065	12/9/1997	WCPXL18.0HRK		DIESEL				1	0.1
U‑R‑001‑0066	12/9/1997	WCPXL18.0HRN		DIESEL				1.57	0.2
U‑R‑001‑0067	12/9/1997	WCPXL27.0MRH		DIESEL				1.92	0.2
U‑R‑001‑0068	12/9/1997	WCPXL27.0MRJ		DIESEL				1.62	0.3
U‑R‑001‑0069	12/9/1997	WCPXL27.0HRP		DIESEL				1.3	0.1
U‑R‑001‑0070	12/9/1997	WCPXL10.4MRB		DIESEL				0.81	0.3
U‑R‑001‑0071	12/9/1997	WCPXL07.2MRB		DIESEL				0.82	0.2
U‑R‑001‑0072	12/9/1997	WCPXL10.4MRC		DIESEL				1.1	0.3
U‑R‑001‑0073	12/9/1997	WCPXL27.0HRK		DIESEL				0.83	0.1
U‑R‑001‑0074	12/9/1997	WCPXL27.0HRN		DIESEL				1.02	0.3
U‑R‑001‑0076	9/18/1998	WCPXL15.8ERK		DIESEL				0.47	0.06

CNH UK LTD.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑008‑0003	10/10/1997	WNHXL07.5A3V	DIESEL				0.7	0.2

CUMMINS, INC.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑002‑0021	2/11/1998	WCEXL0855AAB	DIESEL				0.4	0.1
U‑R‑002‑0022	2/11/1998	WCEXL019.AAA	DIESEL				1.8	0.2
U‑R‑002‑0023	2/11/1998	WCEXL019.AAB	DIESEL				1.5	0.2
U‑R‑002‑0024	2/11/1998	WCEXL0505AAA	DIESEL				0.6	0.2
U‑R‑002‑0025	2/11/1998	WCEXL0505ABA	DIESEL				0.7	0.2
U‑R‑002‑0026	2/11/1998	WCEXL0505ABB	DIESEL				0.5	0.2
U‑R‑002‑0027	2/11/1998	WCEXL0505ACA	DIESEL				0.6	0.2
U‑R‑002‑0028	2/11/1998	WCEXL0661AAA	DIESEL				1.2	0.1
U‑R‑002‑0029	2/11/1998	WCEXL0359AAA	DIESEL				0.8	0.2
U‑R‑002‑0030	2/11/1998	WCEXL0359ABA	DIESEL				0.6	0.1
U‑R‑002‑0031	2/11/1998	WCEXL0855AAA	DIESEL				1.2	0.1
U‑R‑002‑0032	11/16/1998	WCEXL0359ABB	DIESEL				0.3	0.1
U‑R‑002‑0033	11/16/1998	WCEXL0505ABC	DIESEL				0.6	0.1

DAEWOO HEAVY INDUSTRIES, LTD.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑019‑0018	1/8/1998	WDWXL14.6CVT	DIESEL				0.7	0.1
U‑R‑019‑0019	1/8/1998	WDWXL11.1AGN	DIESEL				1.31	0.3
U‑R‑019‑0020	1/8/1998	WDWXL11.1AHT	DIESEL				0.52	0.2
U‑R‑019‑0021	1/8/1998	WDWXL08.1ACN	DIESEL				0	0
U‑R‑019‑0022	1/8/1998	WDWXL05.8ATT	DIESEL				1.2	0
U‑R‑019‑0023	10/16/1998	WDWXL08.1APA	DIESEL				1.23	0.3
U‑R‑019‑0024	12/31/1998	WDWXL11.1BIA	DIESEL				0.5	0.1
U‑R‑019‑0025	12/31/1998	WDWXL11.1BHT	DIESEL				0.6	0.1

DAIMLERCHRYSLER AG

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑016‑0009	7/16/1997	WMBXL6.37DJA	DIESEL				0.5	0.1
U‑R‑016‑0015	11/30/1998	WMBXL14.6R6B	DIESEL				0.9	0.2

DEERE

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑004‑0029	2/17/1998	WJDXL06.8014	DIESEL				0.65	0.2
U‑R‑004‑0030	2/17/1998	WJDXL06.8015	DIESEL				0.75	0.2
U‑R‑004‑0031	2/17/1998	WJDXL06.8012	DIESEL				0.72	0.2
U‑R‑004‑0032	2/17/1998	WJDXL10.5004	DIESEL				0.92	0.1
U‑R‑004‑0033	2/17/1998	WJDXL12.5001	DIESEL				0.37	0.1
U‑R‑004‑0034	2/17/1998	WJDXL12.5002	DIESEL				0.5	0.1
U‑R‑004‑0035	2/17/1998	WJDXL07.6011	DIESEL				2.68	0.2
U‑R‑004‑0036	2/17/1998	WJDXL07.6010	DIESEL				1.16	0.2
U‑R‑004‑0037	2/17/1998	WJDXL06.8013	DIESEL				0.62	0.2
U‑R‑004‑0038	2/17/1998	WJDXL10.1006	DIESEL				1.31	0.2
U‑R‑004‑0039	2/17/1998	WJDXL10.1005	DIESEL				2.02	0.2
U‑R‑004‑0040	2/17/1998	WJDXL08.1009	DIESEL				1.55	0.2
U‑R‑004‑0041	2/17/1998	WJDXL08.1008	DIESEL				1.19	0.2
U‑R‑004‑0042	2/17/1998	WJDXL08.1007	DIESEL				0.95	0.2
U‑R‑004‑0043	2/17/1998	WJDXL10.5003	DIESEL				0.91	0.1

DETROIT DIESEL CORPORATION

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑007‑0018	2/1/1998	WMUXL12.0G2V	DIESEL				1.49	0.2
U‑R‑007‑0019	2/26/1998	WDDXL08.5TJD	DIESEL				0.48	0.036
U‑R‑007‑0020	2/26/1998	WDDXL11.1THD	DIESEL				0.56	0.07
U‑R‑007‑0021	2/26/1998	WDDXL12.7TGD	DIESEL				0.94	0.097
U‑R‑007‑0022	2/26/1998	WDDXL05.2TDM	DIESEL				3.4	0.4
U‑R‑007‑0023	2/26/1998	WDDXL09.0TFE	DIESEL				2.5	0.3
U‑R‑007‑0024	2/26/1998	WDDXL12.1TFE	DIESEL				2.42	0.194
U‑R‑007‑0025	2/26/1998	WDDXL18.1TFE	DIESEL				2.26	0.222
U‑R‑007‑0026	2/26/1998	WDDXL15.9TRE	DIESEL				0.8	0.047
U‑R‑007‑0027	2/26/1998	WDDXL23.9TRE	DIESEL				1.06	0.1
U‑R‑007‑0028	2/26/1998	WDDXL12.1TFM	DIESEL				0.6	0.1

DEUTZ AG

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑013‑0011	7/19/1999	WDZXL15.9002	DIESEL				0.7	0.1
U‑R‑013‑0012	7/19/1999	WDZXL15.9001	DIESEL				0.5	0.1
U‑R‑013‑0013	7/19/1999	WDZXL17.5015	DIESEL				0.7	0.2
U‑R‑013‑0014	7/19/1999	WDZXL06.1007	DIESEL				1	0.3
U‑R‑013‑0015	7/19/1999	WDZXL07.1004	DIESEL				0.8	0.1
U‑R‑013‑0016	7/19/1999	WDZXL07.1003	DIESEL				0.8	0.2

GENERAC POWER SYSTEMS, INC.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑017‑0003	12/18/1997	WGNXL13.3HTA	DIESEL				0.75	0.1

HINO MOTORS, LTD.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑020‑0002	1/7/1998	WHMXL06.7HTD	DIESEL				0.76	0.3

ISUZU MOTORS

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑006‑0006	11/24/1997	WSZXL09.8DTB	DIESEL				1.07	0.24
U‑R‑006‑0007	11/24/1997	WSZXL09.8DTA	DIESEL				1.11	0.26
U‑R‑006‑0008	11/24/1997	WSZXL13.7DTA	DIESEL				0.72	0.29

IVECO N.V.

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑015‑0009	3/16/1998	WVEXL07.7DAR	DIESEL				0.8	0.2
U‑R‑015‑0010	3/16/1998	WVEXL09.5DAR	DIESEL				0.5	0.1
U‑R‑015‑0011	3/16/1998	WVEXL09.5DAS	DIESEL				0.82	0.2
U‑R‑015‑0012	3/16/1998	WVEXL13.8DAR	DIESEL				1.04	0.2

KOMATSU DRESSER CORPORATION

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑010‑0005	12/31/1997	WKDXL0239AAA	DIESEL				3.3	0.4
U‑R‑010‑0006	12/31/1997	WKDXL0239ABA	DIESEL				0.7	0.2
U‑R‑010‑0007	12/31/1997	WKDXL0239ACA	DIESEL				0.5	0.1
U‑R‑010‑0008	12/31/1997	WKDXL0359AAA	DIESEL				0.7	0.2
U‑R‑010‑0009	12/31/1997	WKDXL0359ABA	DIESEL				0.6	0.1
U‑R‑010‑0010	12/31/1997	WKDXL0505AAA	DIESEL				0.6	0.2
U‑R‑010‑0011	12/31/1997	WKDXL0505ABB	DIESEL				0.5	0.2

KOMATSU, LTD.

EO #	Date	Engine Family	Fuel System	Fuels	Cert Levels
					xxHC	NOx	xxHC+NOx	CO	PM
					xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑005‑0012	2/1/1998	WKLXL23.2FD1		DIESEL				0.8	0.1
U‑R‑005‑0025	7/14/1999	WKLXL7.15CB1		DIESEL				0.6	0.1
U‑R‑005‑0026	7/14/1999	WKLXL7.15CC1		DIESEL				0.5	0.2
U‑R‑005‑0027	7/14/1999	WKLXL11.0DA1	DIRECT FUEL INJECTION	DIESEL				0.9	0.2
U‑R‑005‑0028	7/14/1999	WKLXL11.0DB1		DIESEL				0.3	0.2
U‑R‑005‑0029	7/14/1999	WKLXL15.2EB1		DIESEL				0.5	0.1
U‑R‑005‑0030	7/14/1999	WKLXL15.2EC1		DIESEL				0.3	0.1
U‑R‑005‑0031	7/14/1999	WKLXL15.2ED1		DIESEL				0.6	0.2
U‑R‑005‑0032	7/14/1999	WKLXL23.2FB1		DIESEL				1	0.2
U‑R‑005‑0033	7/14/1999	WKLXL11.0DC1		DIESEL				0.4	0.2
U‑R‑005‑0034	7/14/1999	WKLXL23.2FC1		DIESEL				0.6	0.2
U‑R‑005‑0035	7/14/1999	WKLXL23.2FD2		DIESEL				1.4	0.2

LIEBHERR MACHINES BULLE SA

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑018‑0007	6/11/1998	WLHAL17.2ARA	DIESEL				0.5	0.1
U‑R‑018‑0008	6/11/1998	WLHAL9.96ASA	DIESEL				0.5	0.1
U‑R‑018‑0009	6/11/1998	WLHAL9.96ARA	DIESEL				0.5	0.1
U‑R‑018‑0010	5/17/1999	WLHAL9.96ATA	DIESEL				0.5	0.1
U‑R‑018‑0011	5/17/1999	WLHAL17.2ATA	DIESEL				0.4	0.1

MERCEDES BENZ AG

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑016‑0010	4/7/1998	WMBXL5.96R6B	DIESEL				0.9	0.2
U‑R‑016‑0011	4/7/1998	WMBXL5.96R6A	DIESEL				1	0.3
U‑R‑016‑0012	4/7/1998	WMBXL12.9R6A	DIESEL				0.4	0.1
U‑R‑016‑0013	4/7/1998	WMBXL21.9R6A	DIESEL				0.5	0.2
U‑R‑016‑0014	4/7/1998	WMBXL14.6R6A	DIESEL				0.7	0.2

MITSUBISHI MOTORS CORPORATION

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑009‑0008	1/29/1998	WMTXL07.5D6A	DIESEL				0.69	0.2

NAVISTAR, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Cert Levels
					xxHC	NOx	xxHC+NOx	CO	PM
					xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑012‑0019‑1	1/14/1998	WNVXL0466BNA	INDIRECT DIESEL INJECTION	DIESEL				1.15	0.1
U‑R‑012‑0020‑1	1/14/1998	WNVXL0530BNA	INDIRECT DIESEL INJECTION	DIESEL				0.44	0.1
U‑R‑012‑0021	1/5/1998	WNVXL0530BNB	INDIRECT DIESEL INJECTION	DIESEL				0.53	0.1
U‑R‑012‑0022	1/5/1998	WNVXL0530BNC	INDIRECT DIESEL INJECTION	DIESEL				0.57	0.1
U‑R‑012‑0023	1/5/1998	WNVXL0530BND	INDIRECT DIESEL INJECTION	DIESEL				0.6	0.1
U‑R‑012‑0024	7/28/1998	WNVXL0530ANA		DIESEL				0.39	0.1
U‑R‑012‑0025	7/28/1998	WNVXL0530ANB		DIESEL				0.6	0.1

VOLVO CONSTRUCTION EQUIPMENT AB

EO #	Date	Engine Family	Fuels	Cert Levels
				xxHC	NOx	xxHC+NOx	CO	PM
				xxHC	NOx	xxHC+NOx	CO	PM
U‑R‑003‑0009	5/5/1998	WVSXL06.7CE1	DIESEL				0.4	0.1
U‑R‑003‑0010	5/5/1998	WVSXL09.6CE1	DIESEL				1.1	0.1
U‑R‑003‑0011	5/5/1998	WVSXL12.0CE1	DIESEL				0.6	0.1
U‑R‑003‑0012	5/5/1998	WVSXL16.0CE1	DIESEL				0.3	0.1

California Air Resources Board