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322C 325C 324D 325D 326D 329D hydraulic pump for Excavator spare parts 2726957 2726959 Axial Piston pump

Categories Excavator Hydraulic Pump
Brand Name: Belparts
Model Number: 322C 325C 324D 325D 326D 329D
Place of Origin: China
MOQ: 1 piece
Price: Negotiable price
Payment Terms: T/T, Paypal and Trade Assurance
Supply Ability: 1000pieces
Delivery Time: 1-5days
Packaging Details: Wooden packing
Product name: Excavator main pump
Machine model: 322C 325C 324D 325D 326D 329D
Part number: 2726957 2726959
Application: Crawler Excavator
Condition: Original refurbished
Shipment: Sea.Air. Express
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322C 325C 324D 325D 326D 329D hydraulic pump for Excavator spare parts 2726957 2726959 Axial Piston pump

322C 325C 324D 325D 326D 329D hydraulic pump for Excavator spare parts 2726957 2726959 Axial Piston pump


Belparts (GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED), is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than ten years of experience in machinery trade.


Our main products are Excavator Hydraulic Spare Parts, Hydraulic Main Pump, Swing Motor, Travel Motor, Final Drive Ass'y, Swing Device Ass'y, Swing Gearbox, Travel Gearbox, Gears, Regulators, Relief Valve, Fan Motor and other hydraulic items with genuine and aftermarket quality. Until now, our products have been exported to more than 125 countries and regions, spreading all over the Middle East, Southeast Asia, Africa, North America, South America, Europe and Oceania with our own brand "Belparts", which is highly praised by foreign customers and enjoys a high reputation.


Please feel free to contact me if needed.


VRD63100/120/120B
SBS80311/311D/312C/312D/314
SBS80(D2GC)312D2GC
SBS120320C/320D
SBS140324D/325D/326D/329D/325C
SBS180336E 336F

List of spare parts

#Part NoPart NameQty.Price request
14I1022ORIFICE2
27Y4215SPACER2
30963983RING-RETAINING1
41262016PUMP GROUP-GEAR (PILOT)1
9T0835RING-RETAINING1
51297853PLATE-CREEP2
61297854CASE1
71297863COVER1
81297921RING-RETAINING2
91297925SEAL-O-RING (ID=11.89mm)1
101297927BEARING2
111505782COVER2
121733427GUIDE-BALL2
131772470COVER1
141772471COVER1
151799763FLANGE1
161884210PISTON AS2
171904896PLUG2
181920573PIN-DOWEL4
191948325SET-BEARING2
202003333HEAD-PUMP1
212003334COVER1
222254541SHAFT-DRIVE1
232254542SHAFT-DRIVEN1
241297857GASKET1
251297855GASKET1
262478782BODY1
272478920ORIFICE2
282560081BARREL AS-DRIVE1
292560083BARREL AS-PUMP1
302560088ACTUATOR GROUP-PUMP -DRIVE1
312560089ACTUATOR GROUP-PUMP -DRIVEN1
330941875PIN, ROLLER6
340941882PLUG, TAPERED16
350950946RING (RETAINING)2
370963944SEAL-O-RING1
380964389SPRING18
391297979DOWEL4
401778740SEAL-O-RING1
411899763SEAL (13.6mm OD)1
421931736SEAL (85.6mm OD)4
432426801SWASHPLATE AS2
43A1733428BEARING-SLEEVE1
0941875PIN, ROLLER1
2426803PIN-DOWEL2
442426804BEARING4
453K0360SEAL PILOT MANIFOLD ON SEAL TO BOOM CHECK VALVE DRAIN2
467M8485SEAL,ADAPTER,MOTOR PART OF KIT P/N 5R14292
477X2557BOLT (M16X2.0X140MM)1
488J4645PLUG (FRONT 5 STEM MAIN CONTROL VALVE)2
498T3338SEAL-O-RING (ID=84.40mm)2
508T4136CAPSCREW (HEX HD) (M10 X 1.50 X 25L GR 10.9)18
518T4137BOLT (M10X1.50X20MM)2
528T4139CAPSCREW (HEX HD) (M12 X 1.75 X 30L GR 10.9)10
538T4140BOLT-PLT (M16 X 2.0 X 60)4
548T4175BOLT (M16X2X90-MM)2
558T4176BOLT-PLT (M12 X 1.75 X 90)2
568T4192CAPSCREW (HEX HD) (M12 X 1.75 X 25, GR10.9, Z)10
578T4196CAPSCREW (HEX HD) (M10 X1.5 X 35, GR10.9, Z)2
589S4185PLUG--TO SEAL HYDRAULIC PUMP TO SUMP OF LIMIT SYSTEM2
AVAILABLE REPAIR KIT(S):
2502503KIT-SEAL (PILOT GEAR PUMP)1
(INCLUDES RING-RETAINING, GASKETS, & SEALS)
CHANGE FROM PREVIOUS TYPE
KIT MARKED J SERVICES PART MARKED J
METRIC PART
SEPARATE ILLUSTRATION


The excavator hydraulic pump is the "power core" of the excavator's hydraulic system. Its core function is to convert the engine's mechanical energy into hydraulic energy, supplying pressure oil for operations such as digging, rotating, and lifting. Its usage should focus on three cores: proper operation, daily maintenance, and fault prediction to ensure stable system operation.

1,Warm up after startup: After starting the engine, let it idle for 3-5 minutes. Only operate when the hydraulic oil temperature rises above 20℃. Avoid sudden acceleration or rapid action switching when the machine is cold to prevent pump wear due to insufficient lubrication.


2,Smooth operation: Push the control lever slowly and avoid sudden load increases. For example, do not force digging in hard soil, and do not perform rapid rotation and boom lifting simultaneously to reduce instantaneous pressure impact on the pump.


3,Avoid long-term high-pressure idling: Do not run the pump under high pressure (e.g., full bucket suspended, digging stuck on hard rock) for more than 30 seconds. If the time is exceeded, relieve pressure first (e.g., retract the bucket, lower the boom) to prevent pump overheating and damage.

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