Product name	Excavator Hydraulic pump
Place of Origin:	China(mainland)
Model:	R450LC-7 R500LC-7
Part number:	31NB-10010 31NB-10020 31NB-10022
MOQ:	1 PCS
Payment term:	T/T, trade assurance,PayPal
Delivery time:	Within 1~7 days after receiving the payment
Packing:	Standard exporting packing or as required

#	Part No	Part Name	Qty.	Price request
*	31NB-10010	MAIN PUMP	1
*-1	@	FUEL INJECTION PIPE & NOZZLE	1
130	XJBN-00678	BOOSTER	1
131	XJBN-00679	COVER-BOOSTER	1
S141	XJBN-00680	BLOCK-CYLINDER	2
S151	XJBN-00681	PISTON	18
S152	XJBN-00682	SHOE	18
153	XJBN-00683	PLATE-SET	2
156	XJBN-00564	BUSHING-SPHERICAL	2
157	XJBN-00541	SPRING-CYLINDER	18
211	XJBN-00023	PLATE-SHOE	2
S212	XJBN-00687	PLATE-SWASH	2
S214	XJBN-00013	BUSHING-TILTING	2
251	XJBN-00688	SUPPORT	2
262	XJBN-00690	COVER	1
312	XJBN-00692	COVER-VALVE	1
S313	XJBN-00557	PLATE-VALVE(R)	1
S314	XJBN-00556	PLATE-VALVE(L)	1
406	XJBN-00694	SCREW-HEX	8
409	XJBN-00696	SCREW-HEX	2
410	XJBN-00697	SCREW-HEX	9
411	XJBN-00698	SCREW-HEX	2
412	XJBN-00699	SCREW-HEX	1
413	XJBN-00700	SCREW-HEX	5
467	XJBN-00265	PLUG	2
491	XJBN-00234	PLUG	14
493	XJBN-00148	PLUG	2
S531	XJBN-00702	PIN-TILTING	2
532	XJBN-00703	PISTON-SERVO	2
534	XJBN-00034	STOPPER(L)	2
535	XJBN-00704	STOPPER(L)	2
536	XJBN-00705	COVER-SERVO	2
S548	XJBN-00360	PIN-FEED BACK	2
K702	XJBN-00040	O-RING	2
K709	XJBN-00899	O-RING	1
K712	XJBN-00901	O-RING	1
K725	XJBN-00903	O-RING	6
K732	XJBN-00047	O-RING	2
K752	XJBN-00707	SEAL-PACKING	2
K789	XJBN-00049	RING-BACK UP	2
K792	XJBN-00050	RING-BACK UP	2
806	XJBN-00364	NUT	2
807	XJBN-00708	NUT	2
885	XJBN-00053	PIN-2	2
886	XJBN-00365	PIN-SPRING	4
888	XJBN-00712	PIN	2
953	XJBN-00057	SCREW-SET	2
954	XJBN-00713	SCREW-SET	2
*-2	XJBN-00714	REGULATOR ASSY	1
*-3	XJBN-00663	GEAR PUMP	1
*-4	XJBN-00668	CASING ASSY-EPPR VLV	1
011	XJBN-00664	PISTON ASSY SEE ILLUST	2
013	XJBN-00665	CYLINDER ASSY-RH SEE ILLUST	1
014	XJBN-00666	CYLINDER ASSY-LH SEE ILLUST	1
030	XJBN-00667	SWASH PLATE ASSY SEE ILLUST	1
530	XJBN-00669	TILTING PIN SUB ASSY SEE ILLUST	1
041	XJBN-00072	CHECK VALVE ASSY 1 SEE ILLUST	1
260	XJBN-00907	FRONT COVER ASSY SEE ILLUST	1
K	XJBN-00966	SEAL KIT-PUMP UNIT SEE ILLUST	1

Model	Nominal displacement (ml/r)	Pressure(MPa)		Speed(r/min)			Volumetric efficiency (≥%)	L1	L2	L	Weight (kg)
Model	Nominal displacement (ml/r)	Rated	Max	Min	Rated	Max	Volumetric efficiency (≥%)	L1	L2	L	Weight (kg)
AP2D-16.2/4.5	16.2/4.5	22/5	25/8	800	2000	3000	92/92	45.2	130.2	145	5.55
AP2D-16.2/6.5	16.2/6.5						92/92	45.2	132	147	5.6
AP2D-18.2/4.5	18.2/4.5						92/92	46	132	149	5.7
AP2D-18.2/6.5	18.2/6.5						92/92	46	133	151	5.73
AP2D-20/4.5	20/4.5						92/92	47.2	136	156	5.85
AP2D-20/6.5	20/6.5						92/92	47.2	133	151	5.8
AP2D-23/4.5	23/4.5						92/92	50	140.5	159	5.9
AP2D-23/6.5	23/6.5						92/92	50	141.5	161	5.96
AP2D-23/9	23/9						92/92	50	143	163	6.1

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