Main Pump

Product NO.:400914-00025\401-00161A\400914-00114B\401-00060B\401-00060C\400914-00218\400914-00027\400914-00160\400914-00293\400914-00293A\401-00534\400914-00028\400914-00160A\400914-00160B\401-00347\401-00424A\401-00424B\401-00424C\400914-00401\400914-00401A\2401-9233B\401-00254A\K1045748A\401-00255\401-00255B\400914-00247\401-00233\401-00233B\400914-00248\2401-9286……

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The main function of the excavator main pump is to convert the mechanical energy generated by the engine into hydraulic energy and provide high-pressure oil.

The main pump is a core component of the excavator’s hydraulic system, responsible for transforming the mechanical energy produced by the engine into hydraulic energy. It achieves this by using a hydraulic pump to generate the required high-pressure oil for the excavator’s operations. This conversion ensures that the hydraulic oil has sufficient pressure and flow to drive the various movements of the excavator. The operational state of the main pump directly influences the performance and efficiency of the excavator.

The design and construction of the main pump are also critical factors for ensuring its efficient operation. The main structure of the pump includes the cylinder body, piston, and distribution plate, which work together to fulfill the oil delivery function of the pump. The flow rate is adjusted using a regulator, allowing for control of the power output, ensuring that the excavator can operate stably under different working conditions.

In summary, the excavator main pump effectively converts the mechanical energy from the engine into the hydraulic energy required for the excavator’s operation, providing high-pressure oil to drive various movements and complete a range of work tasks. The design and working principles of the main pump are essential for its functionality and the overall efficiency of the excavator.

Product NO.	Applicable models	Size/Dimension	Weight	Packaging unit
400914-00025	DH150LC-7 S150LC-7B	710370275	87KG	EA
401-00161A	DH130W-V DH150W-7 SOLAR 130W-V(2) SOLAR 140W-V SOLAR 160W-V SOLAR140W-V& S160W-V SOLAR 140W-V RAIL WAY	620X360X320	102KG	EA
400914-00114B	DX165WR-7 DX170WR-7	580×500×420	90KG	EA
401-00060B	DH210W-7(S/N:20001~21000) SOLAR 200W-V SOLAR 210W-V	650X410X350	185KG	EA
401-00060C	DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) SOLAR 210W-V SOLAR 210W-V	630X375X365	145KG	EA
400914-00218	DH210W-7(S/N:20001~21000) DH210W-7(S/N:21001~) SOLAR 210W-V	616X359X355	50KG	EA
400914-00027	DH215-7 DH220LC-7	635205305	125KG	EA
400914-00160	DH215-9 DH225LC-9		132KG	EA
400914-00293	DH215-9E DH220LC-9E	650440360	130KG	EA
400914-00293A	DH215-9E DH220LC-9E		76KG	EA
401-00534	DH225LC-7	720300360	126KG	EA
400914-00028	DH225LC-7	710280365	125KG	EA
400914-00160A	DH215-9 DH225LC-9		132KG	EA
400914-00160B	DH215-9 DH225LC-9	616353390	139KG	EA
401-00347	DH258LC-7 SOLAR 255LC-V	660400360	147KG	EAA
401-00424A	DH300LC-7 SOLAR 300LC-V		133KG	EA
401-00424B	DH300LC-7 SOLAR 300LC-V SOLAR 300LC-V		133KG	EA
401-00424C	DH300LC-7 SOLAR 300LC-7A SOLAR 300LC-V	750290340	127KG	EA
400914-00401	DH300LC-7		127KG	EA
400914-00401A	DH300LC-7		126KG	EA
2401-9233B	DH300LC-V SOLAR 290LC-V	790300400	174KG	EA
401-00254A	DH370LC-7 DH370LC-9 SOLAR 370LC-V	525545455	145KG	EA
K1045748A	DH370LC-7 DH370LC-9	630590650	187KG	EA
401-00255	DH420LC-7DH500LC-7 SOLAR 420LC-V SOLAR 470LC-V SOLAR 500LC-V TXC420-1 TXC470-1 TXC500-1	650X600X550	–	EA
401-00255B	DH420LC-7 SOLAR 420LC-V	565X618X495	188KG	EA
400914-00247	DH420LC-7 SOLAR 420LC-V	650X550X550	180KG	EA
401-00233	DH500LC-7 SOLAR 470LC-V SOLAR 500LC-V	650X570X550	127KG	EA
401-00233B	DH500LC-7 SOLAR 470LC-V SOLAR 500LC-V	620X565X485	187KG	EA
400914-00248	DH500LC-7 SOLAR 470LC-V SOLAR 500LC-V	479X555X536	180KG	EA
2401-9286	DH55GOLD DH55GOLD(S/N:50001~) SOLAR 55 SOLAR 55-V (S/N 10001~) SOLAR 55-V (S/N 1~)	420X280X220	35KG	EA
2401-9286A	DH55GOLD SOLAR 55 SOLAR 55-V (S/N 10001~) SOLAR 55-V (S/N 1~)		–	EA
2401-9286B	DH55GOLD SOLAR 55 SOLAR 55-V (S/N 1~)		38KG	EA
2401-9286C	DH55GOLD		35KG	EA
400914-00282	DH55GOLD	280250400	35KG	EA
2401-9286E	DH55GOLD DH55GOLD(S/N:50001~)	412256200	35KG	EA
401-00222A	DH60-7 SOLAR 55-V PLUS SOLAR 55-V SUPER		34KG	EA
401-00222B	DH60-7 SOLAR 55-V PLUS SOLAR 55-V SUPER	420X270X215	37KG	EA
400914-00095	DH60-7	430X300X250	39KG	EA
K1000788	DH80-7	430270220	41KG	EA
K1034017	DH80GOLD DH80GOLD(S/N:50001~) DX80 DX80(S/N:50001~) S80GOLD S80GOLD(S/N:50001~)	400X280X250	34KG	EA
400914-00357	DX120 DX120-9C DX130-9C/DX130-9CN	618X293X193	100KG	EA
400914-00357B	DX120 DX120-9C DX130-9C/DX130-9CN		86KG	EA
400914-00174A	DX140AF/DX140LCA DX150-9C/DX150LC-9C/DX150LC-9CN		81KG	EA
400914-00262	DX150LC	618X293X193	100KG	EA
400914-00262B	DX150LC		100KG	EA
400914-00262C	DX150LC	650220300	91KG	EA
400914-00144B	DX150W-9C/DX150W-9CN DX140W ACE PLUS(S/N:8141~) DX140W-3 / DX160W-3 DX140W-5 DX140W-5 / DX160W-5 DX140W-5K(L)/DX160W-5K(L)(S/N:2485~) DX170W-5		90KG	EA
400914-00841A	DX150W-7B DX150WE-10/DX150WE-10N DX150WE-9C/DX150WE-9CN DX140W-7 / DX160W-7 DX150W-7 / DX170W-7 DX170W-7		110KG	EA
400914-00841B	DX150W-7B DX150WE-10/DX150WE-10N DX140W-7 / DX160W-7 DX150W-7 / DX170W-7 DX170W-7		115KG	EA
400914-00810	DX190-3B/DX200-3B DX200-9C (CN)/DX200-9C (CN) ACE		120KG	EA
400914-00104A	DX210W-10/DX210W-10N DX210W-7B DX210W-9C (S/N:30001~) DX210W-9C/DX210W-9CN DX210W DX210W-5B DX210WA DX210WA(T-2)		120KG	EA
400914-00529	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529A	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529B	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529C	DX215-5B DX215-9C/DX215-9CN	550×520×750	74KG	EA
400914-00529G	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529H	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00816	DX215-9C ACE/DX215-9CN ACE DX220LC-7M DX220LC-9C ACE DX225-10 DX225LC-10 DX220AF-7M DX225LC-7 DX225LC-7M / DX225-7M DX225LC-7X DX225LCA-7M / DX200A-7M DX240LC-7 DX240LC-7X		124KG	EA
400914-00816A	DX215-9C ACE/DX215-9CN AC DX220LC-9C AC DX225-10 DX225LC-10 DX220AF-7M DX225LC-7 DX225LC-7M / DX225-7M DX225LC-7X DX225LCA-7M / DX200A-7M DX240LC-7 DX240LC-7X		116KG	EA
400914-00529	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529A	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00529B	DX215-5B DX215-9C/DX215-9CN		117KG	EA
400914-00520	DX220LC-9C DX200A DX200A(S/N:1001~)		117KG	EA
400914-00520A	DX220LC-9C DX200A		117KG	EA
400914-00520B	DX220LC-9C DX200A		117KG	EA
400914-00520C	DX220LC-9C DX200A		117KG	EA
400914-00520E	DX220LC-9C DX200A DX200A(S/N:1001~)		116KG	EA
400914-00468	DX225LC-9C DX230LC-9C		117KG	EA
400914-00468A	DX225LC-9C		117KG	EA
400914-00468B	DX225LC-9C	480×480×630	117KG	EA
400914-00468C	DX225LC-9C DX230LC-9C		116KG	EA
400914-00468E	DX230LC-9C		112KG	EA
K1056909	DX260LC	680400360	140KG	EA
400914-00088	DX260LC-9C DX255LC DX255LC-3 DX255LC-5	730X280X350	138KG	EA
400914-00088A	DX260LC-9C DX255LC DX255LC-5		132KG	EA
K1006550A	DX300LC TXC300LC-2		189KG	EA
K1029736	DX300LC	720X280X350	189KG	EA
K1029736A	DX300LC		0KG	EA
K1029736B	DX300LC	694X335X259	119KG	EA
400914-00456	DX300LC	697X333X259	119KG	EA
400914-00456A	DX300LC		136KG	EA
400914-00891	DX300LC-7B DX305LC-9C ACE		197KG	EA
400914-00340A	DX340LC-9C		180KG	EA
K1004522C	DX345LC DX350LC DX340LC DX350LCA / DX360LCA TXC340LC-2	650620550	202KG	EA
400914-00249	DX345LC DX340LC DX350LC DX350LCA / DX360LCA	674X739X578	189KG	EA
400914-00230	DX360LC-3B DX360LC-9C DX380LC DX380LC-9C	630600485	180KG	EA
400914-00230A	DX360LC-3B DX360LC-9C DX380LC-9C		180KG	EA
400914-00364	DX450LC-3B/DX450LC-9C DX420LC-5(S/N:10001~10010) DX420LC-5(S/N:10011~)		208KG	EA
400914-00745A	DX500-9CACE/DX500LC-9C ACE/DX560LC-9C ACE DX500HD-10/DX560HD-10 DX500LC-9CACE/DX560LC-9CACE (S/N:30001~) DX490LC-7 / DX530LC-7 DX490LC-7K / DX530LC-7K DX490LC-7M / DX530LC-7M DX490LCA-7M / DX530LCA-7M DX550LC-7		194KG	EA
400914-00366	DX490LC-9C/DX500LC-9C/DX520LC-9C DX500LC-9C (S/N:22001~22044) DX490LC-5(S/N:10001~10011) DX490LC-5(S/N:10012~) DX530LC-5(NT)(S/N:10001~10024) DX530LC-5(NT)(S/N:10025~) DX530LC-5(S/N:10001~10006) DX530LC-5(S/N:10001~10055) DX530LC-5(S/N:10007~) DX530LC-5(S/N:10056~) DX530LC-5B		180KG	EA
400914-00366A	DX490LC-9C/DX500LC-9C/DX520LC-9C DX530LC-5(S/N:10007~) DX530LC-5(S/N:10056~) DX530LC-5B		180KG	EA
400914-00366B	DX490LC-9C/DX500LC-9C/DX520LC-9C DX500LC-9C (S/N:22001~22044) DX490LC-5(S/N:10012~) DX530LC-5(NT)(S/N:10025~) DX530LC-5(S/N:10007~) DX530LC-5(S/N:10056~) DX530LC-5B		185KG	EA
400914-00366C	DX490LC-9C/DX500LC-9C/DX520LC-9C DX490LC-5(S/N:10012~) DX530LC-5(NT)(S/N:10025~) DX530LC-5(S/N:10007~) DX530LC-5(S/N:10056~) DX530LC-5B		190KG	EA
400914-00269	DX500LC/DX500LCG DX420LCA-K(S/N:20001~) DX480LCA / DX500LCA / DX520LCA DX480LCA-K / DX520LCA-K(S/N:20001~)		190KG	EA
400914-00491	DX55-5BDX55-5B DX55-9C(CN)/DX60E-9C(CN)/DX60E-9C ACE DX60E-10/DX60E-10N(S/N:20001~) DX60S E58		33KG	EA
400914-00491A	DX55-5B DX55-9C(CN)/DX60E-9C(CN)/DX60E-9C ACE E58		38KG	EA
400914-00491B	DX55-5B DX55-9C(CN)/DX60E-9C(CN)/DX60E-9C ACE E58	400×300×250	35KG	EA
400914-00491C	DX55-5B DX55-9C(CN)/DX60E-9C(CN)/DX60E-9C ACE DX60E-10/DX60E-10N(S/N:20001~) E58		38KG	EA
400914-00867	DX55-5C DX55-9C(CN) ACE DX60E-10/DX60E-10N(S/N:30001~) DX60E-10/DX60E-10N(S/N:50001~)		22KG	EA
K1027211A	DX60 DX60 (S/N:50001~) DX60T DX55 DX55 ACE DX55A DX55A MT DX55MT DX55MT ACE	430X280X250	33KG	EA
400914-00274	DX60 DX60 (S/N:50001~)	521X278X218	33KG	EA
400914-00510A	DX60-9C		34KG	EA
400914-00510B	DX60-5B DX60-9C DX60-9C GOLD/DX65-9C PLUS/DX65-9CN PLUS DX55-5 DX55MT-5		34KG	EA
400914-00510C	DX60-5B DX60-9C DX60-9C GOLD/DX65-9C PLUS/DX65-9CN PLUS		38KG	EA
400914-00510E	DX60-5B DX60-9C DX60-9C GOLD/DX65-9C PLUS/DX65-9CN PLUS	400280210	35KG	EA
400914-00510G	DX60-5B DX60-9C GOLD/DX65-9C PLUS/DX65-9CN PLUS		36KG	EA
401-00358B	DX60W(S/N:20001~21000) DX60W(S/N:21001~) DX60W(S/N:50001~) B55W-1 B55W-2 DX53W DX55W DX55W ACE DX55WA E55W SOLAR 55W-V PLUS SOLAR 55W-V SUPER	445X210X210	38KG	EA
400914-00351	DX60W(S/N:20001~21000) DX60W(S/N:21001~) DX60W(S/N:50001~) DX60W-9C(S/N:20001~21000) DX60W-9C/DX60W-9CN DX60WS DX55W DX55W ACE DX55W ACE PLUS(S/N:6025~) E55W		38KG	EA
400914-00351A	DX60W-9C/DX60W-9CN DX55W E55W		34KG	EA
400914-00351B	DX60W-9C/DX60W-9CN		31KG	EA
400914-00831A	DX55WE DX60W ECO-1/DX60WN ECO-1 DX60W ECO-2/DX60WN ECO-2 DX60W ECO/DX60WN ECO		31KG	EA
400914-00216	DX700LC DX700LCA		320KG	EA
K1051176	DX700LC DX700LCA	1000350450	300KG	EA
400914-00413A	DX75 DX75-5B(S/N:20001~22711) DX75-9C (S/N:20001~22711)	384X262X226	47KG	EA
400914-00413B	DX75-5B(S/N:20001~22711) DX75-5B(S/N:22712~) DX75-9C (S/N:20001~22711) DX75-9CPLUS/DX75-9CN PLUS(S/N:22712~)	400×280×250	47KG	EA
400914-00413C	DX75-5B(S/N:22712~) DX75-9CPLUS/DX75-9CN PLUS(S/N:22712~)	400260230	47KG	EA
400914-00760	DX75-10/DX75-10N DX75-7B DX75-9C ACE/DX75-9CN ACE DX75E-10 DX75E-9C/DX75E-9CN		22KG	EA
400914-00706	DX75-5B(S/N:22712~) DX75-9CPLUS/DX75-9CN PLUS(S/N:22712~)	380X260X250	43KG	EA
K1034017	DH80GOLD DH80GOLD(S/N:50001~) DX80 DX80(S/N:50001~) S80GOLD S80GOLD(S/N:50001~)	400X280X250	34KG	EA
400914-00490A	DX80 DX88-9C (S/N:20001~20232) DX88-9C (S/N:20233~)		47KG	EA
400914-00628B	DX800HD-10 DX800LC-9C DX800LC-5B DX800LC-7 HX800AL HX800L		330KG	EA
400914-00628C	DX800HD-10 DX800LC-5B DX800LC-7		330KG	EA