UP Diesel Roster, 1934-2009, Part 47

EMD SD45 — 50 units
3600 horsepower; C-C trucks; 393,300 pounds operating weight

Road Number	Builder Date	Builder Number	New Road Number	Renumber Date
UP 3600	Mar 1968	33409	UP 50	Sep 1978
UP 3601	Mar 1968	33410	UP 1	Nov 1978
UP 3602	Mar 1968	33411	UP 2	Oct 1978
UP 3603	Mar 1968	33412	UP 3	Oct 1978
UP 3604	Mar 1968	33413	UP 4	Oct 1978
UP 3605	Apr 1968	33414	UP 5	Oct 1978
UP 3606	Apr 1968	33415	UP 6	Nov 1978
UP 3607	Apr 1968	33416	UP 7	Oct 1978
UP 3608	Apr 1968	33417	UP 8	Oct 1978
UP 3609	Apr 1968	33418	UP 9	Sep 1978
UP 3610	Apr 1968	33419	UP 10	Oct 1978
UP 3611	Apr 1968	33420	UP 11	Nov 1978
UP 3612	Apr 1968	33421	UP 12	Nov 1978
UP 3613	Apr 1968	33422	UP 13	Oct 1978
UP 3614	Apr 1968	33423	UP 14	Dec 1978
UP 3615	Apr 1968	33424	UP 15	Oct 1978
UP 3616	Apr 1968	33425	UP 16	Nov 1978
UP 3617	Apr 1968	33426	UP 17	Oct 1978
UP 3618	Apr 1968	33427	UP 18	Dec 1978
UP 3619	Apr 1968	33428	UP 19	Dec 1978
UP 3620	Apr 1968	33429	UP 20	Nov 1978
UP 3621	Apr 1968	33430	UP 21	Sep 1978
UP 3622	Apr 1968	33431	UP 22	Dec 1978
UP 3623	Mar 1968	33432	UP 23	Dec 1978
UP 3624	Mar 1968	33433	UP 24	Oct 1978
UP 3625	Mar 1968	33434	UP 25	Nov 1978
UP 3626	Mar 1968	33435	UP 26	Oct 1978
UP 3627	Mar 1968	33436	UP 27	Nov 1978
UP 3628	Mar 1968	33437	UP 28	Dec 1978
UP 3629	Mar 1968	33438	UP 29	Oct 1978
UP 3630	Mar 1968	33439	UP 30	Dec 1978
UP 3631	Mar 1968	33440	UP 31	Nov 1978
UP 3632	Mar 1968	33441	UP 32	Oct 1978
UP 3633	Mar 1968	33442	UP 33	Oct 1978
UP 3634	Mar 1968	33443	UP 34	Nov 1978
UP 3635	Mar 1968	33444	UP 35	Nov 1978
UP 3636	Mar 1968	33445	UP 36	Nov 1978
UP 3637	Mar 1968	33446	UP 37	Oct 1978
UP 3638	Mar 1968	33447	UP 38	Mar 1979
UP 3639	Mar 1968	33448	UP 39	Apr 1979
UP 3640	Mar 1968	34016	UP 40	Apr 1979
UP 3641	Mar 1968	34017	UP 41	Dec 1978
UP 3642	Mar 1968	34018	UP 42	Apr 1979
UP 3643	Mar 1968	34019	UP 43	Apr 1979
UP 3644	Mar 1968	34020	UP 44	Mar 1979
UP 3645	Mar 1968	34021	UP 45	Mar 1979
UP 3646	Mar 1968	34022	UP 46	Mar 1979
UP 3647	Mar 1968	34023	UP 47	Mar 1979
UP 3648	Mar 1968	34024	UP 48	Mar 1979
UP 3649	Mar 1968	34025	UP 49	Mar 1979

General Notes:

a.	UP 3600-3637 were built with 59:18 gear ratio (90 mph); changed to 62:15 (65 mph) in 1976.
b.	UP 3638-3649 (12 units) were assigned to Utah and Colorado to California unit coal train service for Kaiser Steel, beginning in December 1968, in joint operation with D&RGW, which assigned six of its new SD45s to the same pool. The Kaiser trains operated until about 1979.
b.	UP 3600-3636 (19 even numbered units) were equipped as Radio Control System (RCS) control units.
c.	UP 3601-3635 (18 odd numbered units) were equipped as Radio Control System (RCS) remote units.
d.	UP 3600-3649 were renumbered to UP 50, 1-49 between September 1978 and March 1979; UP 3600 was the first unit completed, renumbered to UP 50 on 22 September 1978.
e.	UP 3600-3621 were built on EMD order number 7975, UP 3622 was built on EMD order number 7107; UP 3623 was built on EMD order number 7108; UP 3624-3649 were built on EMD order number 7077.

EMD SD40-2 — 36 units
3000 horsepower; C-C trucks; 409,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date To UP Number	Renumbered To	Date Renumbered	Date Retired	Notes
UP 3809	MKT 600	Aug 1978	776064-1	28 Feb 1990	UP 3423	25 May 2004		1
UP 3810	MKT 601	Aug 1978	776064-2	16 Feb 1989			29 Nov 2000
UP 3811	MKT 602	Aug 1978	776064-3	3 Oct 1989	UP 3431	27 Aug 2003		1
UP 3812	MKT 603	Aug 1978	776064-4	25 Jan 1989			30 Jan 2002
UP 3813	MKT 604	Aug 1978	776064-5	17 Jul 1990			31 Jul 2001
UP 3814	MKT 605	Aug 1978	776064-6	30 Aug 1989			24 May 2001
UP 3815	MKT 606	Aug 1978	776064-7	16 Aug 1989			29 Nov 2000
UP 3816	MKT 607	Oct 1978	776133-1	8 Dec 1989			24 May 2001
UP 3817	MKT 608	Oct 1978	776133-2	9 Aug 1990			31 Jul 2001
UP 3818	MKT 609	Oct 1978	776133-3	5 Jan 1990	UP 3455	22 May 2004		1
UP 3819	MKT 610	Oct 1978	776133-4	9 Feb 1990			25 Jul 2000
UP 3820	MKT 611	Sep 1979	786228-1	1 Mar 1989			24 May 2001
UP 3821	MKT 612	Sep 1979	786228-2	2 Mar 1990	UP 7907	5 Dec 2003	21 Dec 2001
UP 3822	MKT 614	Sep 1979	786228-4	1 Jun 1990	UP 3482	23 Feb 2004		1
UP 3823	MKT 615	Sep 1979	786228-5	2 Aug 1989			29 Aug 2001
UP 3824	MKT 616	Sep 1979	786228-6	28 Mar 1990	UP 3280	21 May 2004		1
UP 3825	MKT 617	Sep 1979	786228-7	25 Oct 1989			15 Nov 2001
UP 3826	MKT 618	Sep 1979	786228-8	10 Oct 1990			15 Nov 2001
UP 3827	MKT 619	Jul 1980	796305-1	25 Jul 1989			21 Dec 2001
UP 3828	MKT 620	Jul 1980	796305-2	15 Feb 1990	UP 3486	28 Oct 2003		1
UP 3829	MKT 621	Jul 1980	796305-3	16 Mar 1989	UP 7909	26 Jan 2004	29 Nov 2001	2
UP 3830	MKT 622	Jul 1980	796305-4	21 Feb 1990			15 Jul 2002
UP 3831	MKT 623	Jul 1980	796305-5	8 Dec 1988	UPY 3831	3 Jun 2004		23
UP 3832	MKT 624	Jul 1980	796305-6	15 Feb 1990	WP 3832	4 Jun 2004	22 Aug 2001
UP 3833	MKT 625	Jul 1980	796305-7	2 Feb 1990	UP 3503	17 Sep 2003		1
UP 3834	MKT 626	Jul 1980	796305-8	14 Sep 1990	WP 3834	4 Jun 2004	29 Nov 2001
UP 3835	MKT 627	Jul 1980	796305-9	21 Sep 1990			24 May 2001
UP 3836	MKT 629	Sep 1981	806049-1	9 Apr 1990	UP 3505	17 Aug 2003		1
UP 3837	MKT 630	Sep 1981	806049-2	23 Apr 1990	WP 3837	24 Jun 2004	19 Dec 2002
UP 3838	MKT 631	Sep 1981	806049-3	5 May 1989	UP 3522	26 Sep 2003		1
UP 3839	MKT 632	Sep 1981	806049-4	1 Jun 1990			29 Nov 2001
UP 3840	MKT 633	Sep 1981	806049-5	2 Nov 1989			3 Nov 1993	4
UP 3841	MKT 634	Sep 1981	806049-6	20 Sep 1990			29 Aug 2002
UP 3842	MKT 635	Sep 1981	806049-7	19 Dec 1989			31 Jul 2001
UP 3843	MKT 636	Sep 1981	806049-8	13 Nov 1990			12 Oct 2000
UP 3844	MKT 637	Sep 1979	786228-3	1 Oct 1990			4 Jan 1996	5

General Notes:

a.	Original total of 38 MKT units; 36 units went to UP at merger; MKT retired two units (MKT 613 and 628) prior to the merger.
b.	UP 3844 was built as MKT 637 by EMD in May 1985 using the frame and trucks from MKT 613 (EMD 786228-3 in September 1979) and power equipment and portions of the carbody from MKT 628 (EMD 786228-10, July 1980); both units had been wrecked on 17 March 1983 at Smith, Tex., and were retired in July 1984; frame and trucks from MKT 613 sent to EMD, along with components from MKT 628; frame of MKT 628 scrapped by MKT at Parsons, Kansas, during July 1984.
c.	UP 3831 (ex MKT 623) was the first unit in this group to be repainted to Union Pacific, completed on 8 December 1988; UP 3843 (ex MKT 636) was the last, completed on 13 November 1990.
d.	UP 3836-3841 were purchased by UP on 1 March 1997 after expiration of original MKT capital lease on 1 February 1997.

Notes:

1.	Nine unretired units (UP 3809, 3811, 3818, 3822, 3824, 3828, 3833, 3836, 3838) were renumbered to the new 3100-3522 series to clear this 3800 series for use by new SD70M units, numbered from 3779.
2.	UP 3829 (ex MKT 621) was retired on 29 November 2001; reinstated as Peak Power UP 7909 on 26 January 2004; renumbered to UP 3613 (2nd) on 29 May 2007 to clear the UP 7909 number for use by a new GE C45AC-CTE in 2008.
3.	UP 3831 (ex MKT 623) was converted to remote control for yard switch service and renumbered to UPY 3831 on 3 June 2004.
4.	UP 3840 (ex MKT 633) was wrecked (head-on collision) on 17 October 1993 at Machovec, Texas, on ATSF; scrapped at the wreck site; sold to ATSF as part of settlement; carcass of unit sold for scrap by ATSF to Erman-Howell, Turner, Kansas. (spelling changed from Makovic, per email from Russ Strodtz dated March 24, 2003; previous spelling was based on UP accident reports, actual spelling taken from BNSF records)
5.	UP 3844 (ex MKT 637) was returned to its owner/lessor in January 1996 upon expiration of its 10-year lease; sold to National Railway Equipment, Silvis, Ill.; sold to IC in September 1996 and renumbered IC 6072.

EMD SD40-2 — 5 units
3000 horsepower; C-C trucks; 417,000 pounds operating weight

Road Number	First Number	Second Number	Builder Date	Builder Number	Date To MP Yellow	Date To UP Number	Date Retired
UP 3900	MP 3216	MP 6000	Jul 1976	756145-01		24 Jul 1986	1 Feb 1994
UP 3901	MP 3217	MP 6001	Jul 1976	756145-02		21 Mar 1986‡	1 Feb 1994
UP 3902	MP 3218	MP 6002	Jul 1976	756145-03	13 Aug 1984	14 Nov 1988	1 Feb 1994
UP 3903	MP 3219	MP 6003	Jul 1976	756145-04		9 Jul 1986	1 Feb 1994
UP 3904	MP 3220	MP 6004	Jul 1976	756145-05		21 Jan 1987	1 Feb 1994

(‡) denotes North Little Rock style lettering.

General Notes:

a.	Built to BN specifications for unit coal train service; designated by MP as SD40-2C.
b.	Originally assigned UP 4222-4296 series, later changed to UP 3900 series.
c.	MP 6000-6019 were built as the first MP 3216-3235 series; renumbered to MP 6000 series in May 1978.
d.	At least two units (MP 6002 and 6004) were equipped with twin Mars lights on the front of their low noses.
e.	UP 3902 (as MP 6002) was the first MP yellow unit painted at North Little Rock, Ark., in mid-August 1984.
f.	UP 3900-3904 were retired on 1 February 1994 upon expiration of lease and returned to owner/lessor, GATX; in national lease service as GATX 900-904.

EMD SD40-2 — 69 units
3000 horsepower; C-C trucks; 417,000 pounds operating weight

Road Number	Previous Number	Builder Date	Builder Number	Date To UP Number	Renumbered To	Renumber Date	Date Retired	Notes
UP 3905	MP 6005	Aug 1976	766005-1	21 Mar 1989			29 Nov 2001
UP 3906	MP 6006	Aug 1976	766005-2	12 Mar 1987	UP 9885 (2nd)	18 Jan 2003
UP 3907	MP 6007	Aug 1976	766005-3	3 Feb 1987	UP 3100 (2nd)	9 Dec 2002
UP 3908	MP 6008	Sep 1976	766005-4	4 May 1988			29 Nov 2001	1
UP 3909	MP 6009	Sep 1976	766005-5	6 Jun 1986	WP 3909	28 Jan 2003	30 Jan 2002
UP 3910	MP 6010	Sep 1976	766005-6	16 May 1986			17 Jan 2001
UP 3911	MP 6011	Sep 1976	766005-7	25 Jul 1986	UP 3101 (2nd)	7 Feb 2003
UP 3912	MP 6012	Sep 1976	766005-8	2 Aug 1988			28 Sep 2001
UP 3913	MP 6013	Sep 1976	766005-9	1 May 1987	WP 3913	13 Feb 2003	19 Dec 2000
UP 3914	MP 6014	Sep 1976	766005-10	2 Jun 1986	UP 3102 (2nd)	27 Jan 2003
UP 3915	MP 6015	Sep 1976	766005-11	22 Jul 1986	UP 3103 (2nd)	13 Feb 2003
UP 3916	MP 6016	Sep 1976	766005-12	11 Jun 1986			15 Nov 2001
UP 3917	MP 6017	Sep 1976	766005-13	29 Jan 1987			19 Jun 2001
UP 3918	MP 6018	Sep 1976	766005-14	6 May 1986			30 Nov 1999
UP 3919	MP 6019	Sep 1976	766005-15	17 Sep 1991			16 Oct 2001
UP 3920	MP 6020	Jun 1979	786181-1	8 Jan 1987			24 May 2001
UP 3921	MP 6021	Jun 1979	786181-2	1 Oct 1986	UP 3104 (2nd)	9 Dec 2002
UP 3922	MP 6022	Jun 1979	786181-3	28 May 1987	WP 3922	13 Feb 2003	28 Feb 2002
UP 3923	MP 6023	Jun 1979	786181-4	20 Feb 1986			24 May 2001
UP 3924	MP 6024	Jun 1979	786181-5	5 Feb 1986	UP 9935 (2nd)	5 Feb 2003
UP 3925	MP 6025	Jun 1979	786181-6	17 Dec 1987	WP 3925	13 Feb 2003	29 Aug 2002
UP 3926	MP 6026	Jun 1979	786181-7	15 Jul 1988	UP 9943	4 Feb 2003
UP 3927	MP 6027	Jun 1979	786181-8	31 Jan 1987	UP 3105 (2nd)	7 Jan 2003
UP 3928	MP 6028	Jun 1979	786181-9	20 Oct 1987			26 Jan 2000
UP 3929	MP 6029	Jun 1979	786181-10	9 Nov 1987	UP 3106 (2nd)	1 Nov 2002
UP 3930	MP 6030	Jun 1979	786181-11	7 Jun 1988			21 Dec 2001
UP 3931	MP 6031	Jun 1979	786181-12	27 Jan 1988	WP 3931	13 Feb 2003	30 Nov 2002
UP 3932	MP 6032	Jun 1979	786181-13	8 Oct 1987	UP 3107 (2nd)	20 Nov 2002
UP 3933	MP 6033	Jun 1979	786181-14	15 Jul 1986	WP 3933	13 Feb 2003	22 Aug 2001
UP 3934	MP 6034	Jun 1979	786181-15	13 May 1986	WP 3934	13 Feb 2003	22 Aug 2001
UP 3935	MP 6035	Jun 1979	786181-16	26 May 1988	UP 3108 (2nd)	12 Nov 2002
UP 3936	MP 6036	Jun 1979	786181-17	15 Aug 1989			19 Apr 2001
UP 3937	MP 6037	Jun 1979	786181-18	28 Mar 1988			25 Jul 2000
UP 3938	MP 6038	Jun 1979	786181-19	1 Dec 1989	UP 9886	3 Feb 2003
UP 3939	MP 6039	Jun 1979	786181-20	13 Aug 1986	UP 3109 (2nd)	26 Nov 2002
UP 3940	MP 6040	Jun 1979	786181-21	15 May 1986	UP 3110 (2nd)	4 Nov 2002
UP 3941	MP 6041	Jun 1979	786181-22	17 Nov 1987	WP 3941	28 Feb 2003	30 Jan 2002
UP 3942	MP 6042	Jun 1979	786181-23	22 Sep 1987	WP 3942	12 Jan 2004	17 Mar 2000
UP 3943	MP 6043	Jun 1979	786181-24	2 Dec 1988	UP 3111 (2nd)		22 Feb 2003
UP 3944	MP 6044	Jun 1979	786181-25	29 Jun 1990	WP 3944	13 Feb 2003	31 Oct 2002
UP 3945	MP 6045	Jun 1979	786181-26	20 Feb 1990			29 Mar 2000
UP 3946	MP 6046	Jun 1979	786181-27	10 Apr 1989	WP 3946	13 Feb 2003	24 May 2001
UP 3947	MP 6047	Jun 1979	786181-28	22 Oct 1986	UP 3112 (2nd)	24 Feb 2003
UP 3948	MP 6048	Jun 1979	786181-29	11 Sep 1987	WP 3948	13 Feb 2003	29 Nov 2000
UP 3949	MP 6049	Jun 1979	786181-30	30 Oct 1987			25 May 2000
UP 3950	MP 6050	Jun 1979	786274-1	19 May 1988			21 Dec 2001
UP 3951	MP 6051	Jun 1979	786274-2	8 Apr 1988			19 Dec 2000
UP 3952	MP 6052	Jun 1979	786274-3	21 Feb 1989	WP 3952	13 Feb 2003	29 Aug 2002
UP 3953	MP 6053	Jun 1979	786274-4	28 Jan 1986	UP 3113 (2nd)	15 Nov 2002
UP 3954	MP 6054	Apr 1980	796311-1	14 Mar 1988	WP 3954	13 Feb 2003	21 Dec 2001
UP 3955	MP 6055	Apr 1980	796311-2	11 Mar 1988	UP 3114 (2nd)	4 Dec 2002
UP 3956	MP 6056	Apr 1980	796311-3	22 Aug 1988			21 Dec 2001	2
UP 3957	MP 6057	Apr 1980	796311-4	6 Mar 1987	UP 9948	27 Jan 2003
UP 3958	MP 6058	Apr 1980	796311-5	7 Nov 1988	UP 3115 (2nd)	2 Jan 2003
UP 3959	MP 6059	Apr 1980	796311-6	5 Dec 1989	UP 3116 (2nd)	2 Nov 2002
UP 3960	MP 6060	Apr 1980	796311-7	27 Aug 1987	WP 3960	13 Feb 2003	27 Feb 2001	3
UP 3961	MP 6061	Apr 1980	796311-8	11 Jul 1986	WP 3961	13 Feb 2003	19 Jun 2001
UP 3962	MP 6062	Apr 1980	796311-9	4 Feb 1988			29 Mar 2001
UP 3963	MP 6063	Apr 1980	796311-10	25 Sep 1987	WP 3963	14 Feb 2003	31 Oct 2000
UP 3964	MP 6064	Apr 1980	796311-11	18 Sep 1986	UP 3117 (2nd)	21 Nov 2002	30 Nov 2002
UP 3965	MP 6065	Apr 1980	796311-12	13 Nov 1987	UP 3118 (2nd)	4 Dec 2002
UP 3966	MP 6066	Apr 1980	796311-13	19 Jan 1988	UP 9889	31 Mar 2003
UP 3967	MP 6067	Apr 1980	796311-14	20 Oct 1987	UP 3119 (2nd)	9 Jan 2003
UP 3968	MP 6068	Apr 1980	796311-15	19 Sep 1986	WP 3968	14 Feb 2003	14 Feb 2003
UP 3969	MP 6069	Apr 1980	796311-16	31 Jul 1987	UP 3120 (2nd)	9 Dec 2002
UP 3970	MP 6070	Apr 1980	796311-17	17 Sep 1987	WP 3970	14 Feb 2003	30 Jan 2002
UP 3971	MP 6071	Apr 1980	796311-18	5 Jun 1992			21 Dec 2001
UP 3972	MP 6072	Apr 1980	796311-19	4 Jun 1986			24 May 2001
UP 3973	MP 6073	Apr 1980	796311-20	14 Aug 1987	UP 9887 (2nd)	17 Jan 2003

General Notes:

a.	Total of 74 MP units went to UP at merger, numbered MP 6000-6073; built using the same specifications as Burlington Northern SD40-2s due to assignment in unit coal train pool service with BN; MP used SD40-2C as the model designation for these units.
b.	MP 6000-6019 were equipped with twin Mars lights, mounted on their low noses; some modified by removing the lights following wreck repair.
c.	UP 3953 (ex MP 6053) was the first unit in this group to be repainted to Union Pacific, completed on 28 January 1986; UP 3971 (ex MKT 6071) was the last, completed on 5 June 1992.
d.	UP 3900-3904 were retired on 1 February 1994 and returned to the owner/lessor, GATX; used in national lease service as GATX 900-904.
e.	Total of 19 units were retired but still on property and were renumbered in February 2003 to the temporary WP reporting mark to clear the 3900 series for use by new SD70Ms (delivered beginning in March 2003).
f.	Total of 21 units were still in service and were renumbered in November 2002 through February 2003 to the new 3100 series numbers to clear the 3900 series for use by new SD70Ms (delivered beginning in March 2003).
g.	Total of seven units were still in service and were renumbered to the 9800/9900 series numbers in January through March 2003 to clear the 3900 series for use by new SD70Ms (delivered beginning in March 2003).
h.	Individual unit histories:

Road Number	First Number	Second Number	Date To MP Yellow
UP 3905	MP 3221	MP 6005	19 Jul 1985
UP 3906	MP 3222	MP 6006
UP 3907	MP 3223	MP 6007
UP 3908	MP 3224	MP 6008
UP 3909	MP 3225	MP 6009
UP 3910	MP 3226	MP 6010	1 Mar 1985
UP 3911	MP 3227	MP 6011
UP 3912	MP 3228	MP 6012
UP 3913	MP 3229	MP 6013
UP 3914	MP 3230	MP 6014
UP 3915	MP 3231	MP 6015
UP 3916	MP 3232	MP 6016
UP 3917	MP 3233	MP 6017
UP 3918	MP 3234	MP 6018
UP 3919	MP 3235	MP 6019	16 Aug 1985
UP 3920	MP 6020		19 Oct 1984
UP 3921	MP 6021
UP 3922	MP 6022
UP 3923	MP 6023
UP 3924	MP 6024
UP 3925	MP 6025
UP 3926	MP 6026		31 Jul 1985
UP 3927	MP 6027
UP 3928	MP 6028
UP 3929	MP 6029
UP 3930	MP 6030
UP 3931	MP 6031
UP 3932	MP 6032
UP 3933	MP 6033		31 Aug 1984
UP 3934	MP 6034
UP 3935	MP 6035
UP 3936	MP 6036		1 Aug 1985
UP 3937	MP 6037
UP 3938	MP 6038
UP 3939	MP 6039
UP 3940	MP 6040
UP 3941	MP 6041
UP 3942	MP 6042
UP 3943	MP 6043
UP 3944	MP 6044		21 Mar 1985
UP 3945	MP 6045		28 Nov 1984
UP 3946	MP 6046
UP 3947	MP 6047
UP 3948	MP 6048
UP 3949	MP 6049
UP 3950	MP 6050
UP 3951	MP 6051
UP 3952	MP 6052
UP 3953	MP 6053
UP 3954	MP 6054
UP 3955	MP 6055
UP 3956	MP 6056
UP 3957	MP 6057		11 Sep 1984
UP 3958	MP 6058
UP 3959	MP 6059		28 Sep 1984
UP 3960	MP 6060
UP 3961	MP 6061
UP 3962	MP 6062
UP 3963	MP 6063
UP 3964	MP 6064
UP 3965	MP 6065
UP 3966	MP 6066
UP 3967	MP 6067
UP 3968	MP 6068		21 Dec 1984
UP 3969	MP 6069
UP 3970	MP 6070		30 Apr 1985
UP 3971	MP 6071
UP 3972	MP 6072
UP 3973	MP 6073

Note:

1.	UP 3908 (as MP 6008) was wrecked on 6 August 1987 at Tacoma, Wash., and was renumbered to UP 3908 in May 1988 while undergoing wreck repairs at VMV Enterprises, Paducah. Ky.
2.	UP 3956 was sold to Helm Financial in (?), and as of 2004, was in national lease service as HLCX 6234. (Extra 2200 South, Issue 126, page 13)
3.	UP 3960 was retired on 27 February 2001, but was still on UP property with the planned delivery of new SD70Ms in the 3900 series; renumbered to temporary WP number, as WP 3960 on 13 February 2003 to clear the UP 3960 number; renumbered again to UP 7897 on 23 December 2003; retired again as UP 7897 on 28 July 2004.

Click here for UP 3999, SD24M — 1 unit (Nov 1976 to Oct 1978)

EMD SD70M — 25 units
4000 horsepower; C-C trucks; 393,000 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date To UP Number
UP 3974	SP 9800	Jun 1994	936438-1	5 Mar 2002
UP 3975	SP 9801	Jun 1994	936438-2	17 Jan 2000
UP 3976	SP 9802	Jul 1994	936438-3	7 Jan 2005
UP 3977	SP 9803	Jul 1994	936438-4	2 May 2002
UP 3978	SP 9804	Jun 1994	936438-5	2 Aug 2001
UP 3979	SP 9805	Jun 1994	936438-6	27 Jul 2001
UP 3980	SP 9806	Jun 1994	936438-7	8 Oct 2004
UP 3981	SP 9807	Jun 1994	936438-8	18 May 2002
UP 3982	SP 9808	Jun 1994	936438-9	26 May 2001
UP 3983	SP 9809	Jun 1994	936438-10	6 Mar 2002
UP 3984	SP 9810	Jun 1994	936438-11	18 Mar 2002
(UP 3985)
UP 3986	SP 9811	Jun 1994	936438-12	15 Aug 2000
UP 3987	SP 9812	Jun 1994	936438-13	10 Oct 2002
UP 3988	SP 9813	Jul 1994	936438-14	14 Aug 2001
UP 3989	SP 9814	Jul 1994	936438-15	4 Oct 2001
UP 3990	SP 9815	Jul 1994	936438-16	3 Mar 2001
UP 3991	SP 9816	Jul 1994	936438-17	20 Feb 2002
UP 3992	SP 9817	Aug 1994	936438-18	9 Sep 2001
UP 3993	SP 9818	Jul 1994	936438-19	17 Oct 2003
UP 3994	SP 9819	Aug 1994	936438-20	15 Aug 2001
UP 3995	SP 9820	Aug 1994	936438-21	5 Jul 2001
UP 3996	SP 9821	Aug 1994	936438-22	16 Nov 2003
UP 3997	SP 9822	Aug 1994	936438-23	25 Jul 2001
UP 3998	SP 9823	Aug 1994	936438-24	17 Feb 2001
UP 3999	SP 9824	Aug 1994	936438-25	21 Feb 2002

General Notes:

a.	Total of 25 SP units went to UP at merger, numbered SP 9800-9824.
b.	Assigned UP 9900-9924 in September 1997, no units renumbered; assigned UP 3974-3984, and 3986-3999 in December 1999, leaving the UP 3985 number slot for use by UP's 4-6-6-4 Challenger steam locomotive.