Description

SOUTHWEST MUD PUMP PARTS LIST
8431-A EWECO EQ-2200

FLUID END TYPE		MODEL OF PUMP		SIZE OF PUMP
SOUTHWEST 7500PSI		EWECO EQ-2200		7-1/2” X 12”

ITEM NO.	PART NO.	DESCRIPTION	QTY. REQ’D
	8431-A	FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，16，17，18，19,20,21，22,23,24,25,26,27,28,29,32,33,34,36)
1	1376YXX	LINER REFER TO GUIDE FOR ORDERING CHART 6 FOR TYPE (G); (Y); AND FOR BORE SIZE (XX)	5
2	2930-XX	LINER SEAL	5
3	8490-28	WEARPLATE (WITH 568-443 O-RING)	5
4	2988	WEARPLATE & MODULE SEAL A	10
5	XX-BYY	PISTON REFER TO GUIDE FOR ORDERING CHART ON PG. 6 FOR SIZE (XX) AND FOR TYPE (YY)	5
6	568-225	PISTON SEAL	5
7		PISTON ROD (WITH ELASTIC STOP NUT)	5
8	API-4ESN	PISTON ROD NUT	5
9		SUB ROD	5
10		ROD CLAMP (WITH WATER JACKET)	10
10A		HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS)	5
10B		PIPE (3/8” X 14” GALVANIZED AND THREADED ON ONE END)	5
10C		BOLT (7/8-9 GRADE 8 BOLT WITH LOCK NUT AND WASHER)	20
11		PONY ROD (CLAMP TYPE)	5
12	SEE PAGE	VALVE	10
13	SEE PAGE	VALVE INSERT	10
14	SEE PAGE	VALVE SPRING	10
15	SEE PAGE	VALVE SEAT	10
	SWTM1700	HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section)	1
16	4488-25	VALVE COVER FLANGE	10
17	4588-25	SCREW GLAND	10
18	4690-25A	PLUG (COMPLETE WITH VALVE GUIDE; BUSHING; AND SCREWS) INCLUDES ITEMS 19, 20, 21，& 22	10
19	P115	HP VALVE COVER PLUG NITRILE SEAL	10
20	4788-25R	VALVE GUIDE (COMPLETE WITH BUSHING #47001)	10
21	4700I	VALVE GUIDE BUSHING	10
22	4018-18	VALVE GUIDE SCREW	20

FLUID END TYPE		MODEL OF PUMP		SIZE OF PUMP
SOUTHWEST 7500PSI		EWECO EQ-2200		7-1/2” X 12”

ITEM NO.	PART NO.	DESCRIPTION	QTY. REQ’D
23	4015-2	VALVE COVER STUD (WITH SW PART# HHN1250-7 1 1/4-7 HEAVY HEX NUT)	120
24	4018-58S	POWER END STUD (WITH SW PART# HHN1250-8 1 %-8 HEAVY HEX NUT)	50
25	6490-25	LINER RETAINER FLANGE	5
26	4019-51	LINER RETAINER CAPSCREW	60
27	6590-25	LINER RETAINER NUT	5
28	4019-61	SUCTION MODULE STUD (WITH SW PART# HHN1750-8 1 3/4-8 HEAVY HEX NUT)	30
29	4018-19	SUCTION MANIFOLD CAPSCREW	30
30		SUCTION MANIFOLD	1
31	568-443	SUCTION MANIFOLD SEAL	5
32	8431-2S	SUCTION MODULE	5
33	8431-1D	DISCHARGE MODULE	5
34	8488-5	DOWEL PIN	10
35		DISCHARGE MANIFOLD	1
36	4017-50C	DISCHARGE MANIFOLD STUD (with sw part# HHN1250-8 1 1/4-8 heavy hex nut)	30
37	568-343	DISCHARGE MANIFOLD SEAL	5

SOUTHWEST 7500PSI GUIDE TO ORDERING EWECO EQ-2200

PISTONS LINERS LINER SEALS

VALVES & SEATS (EWECO EQ-2200)

TYPE	VALVE	INSERT	SPRING	STAINLESS SPRING	SEAT	PULLER HEAD	PULLER HEAD STYLE
SOUTHWEST (Full Open)	773-1B	N/A	941	N/A	873-1	SWTM3750	SPLIT JAW
FULL OPEN-ROUGHNECK (Cast in Place Insert)	SWND-6V2	N/A	SW5710-115L	N/A	SWND-6S4	SWND-6PH SWTM27SXN	PANCAKE SPLIT JAW
FULL OPEN-ROUGHNECK (High Temp)	SWND-6V2HC	N/A	SW5710-115L	N/A	SWND-6S4	SWND-6PH SWTM27SXN	PANCAKE SPLIT JAW
FULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert)	SWND-6V1	SWND-6I	SW5710-115	N/A	SWND6-S4	SWND-6PH SWTM27SXN	PANCAKE SPLIT JAW
3 WEB DOUBLE ANGLE O-RING	SWR0500119	SWR0515845	SWR0513744	SWR0514790	SWR0512436	SWTM3-7D	3 J HOOK
3 WEB (High Temp)	SWR0520586	SWR0520585	SWR05153744	SWR0514790	SWR0512436	SWTM3-7D
3 WEB STANDARD PLATE	SWR0505038	SWR0504890	SWR0515575	SWR0515576	SWR0512436	SWTM3-7D
4 WEB	SWU5B-EH	SWUDD-6AB	SW5710-115	N/A	SW6ADD-B4	SWTM4-6	4 J HOOK
4 WEB (High Temp)	SWU5B-EHHT	SWUDD-6AB	SW5710-115	N/A	SW6ADD-B4	SWTM4-6	4 J HOOK

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