COGENG 401107-01531 Arm Cylinder Seal Kit Doosan Daewoo DX55 DX55MT

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COGENG 401107-01531 Arm Cylinder Seal Kit for Doosan Daewoo Excavator DX55 ACE DX55MT ACE

Name: COGENG 401107-01531 Arm Cylinder Seal Kit for Doosan Daewoo Excavator DX55 ACE DX55MT ACE
Brand: Excavator Solenoid Valve | Excavator Pressure Switch | Excavator Revol
Availability: InStock
Rating: 5 (1 reviews)

Product name: Doosan Arm Cylinder Seal Kit
Part No: 401107-01531
Model Number:For DX55 ACE：DX55 ACE, DX55 ACE Plus
DX55MT ACE：DX55MT ACE, DX55MT ACE Plus
Material:Lron+Rubber
Packing:PP bag inside, carton box outside
Payment Terms:Western Union, L/C, T/T, MoneyGram, D/A, D/P
MOQ:Acceptable trial order
Shipping Mode:By air, by sea, by express(Fedex, UPS, DHL, TNT, etc.)
Place of Origin:Guangdong, China
Brand name:COGENG
CertifiCATEEion:ISO9001
Supply :500PCS

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Desciption

Technical Specifications & Performance Data

Parameter	Specification	Testing Standard
COGENG Part Number	COGENG-401107-01531-ARM	Internal Quality Standard QS-504
Replaces OEM Part No.	401107-01531	Direct OEM Replacement
Piston Seal Material	Polyurethane (PU)	ISO 6072
Rod Seal Material	Nitrile (NBR) with PTFE fill	ISO 6072
Wiper Material	Polyurethane (PU)	ISO 6194
O-Ring Material	Nitrile (NBR)	ISO 3601-1
Wear Band Material	PTFE-filled composite	ISO 6811
Temperature Range	-35°C to +100°C (-31°F to +212°F)	ISO 2230
Pressure Rating	Up to 35 MPa (5000 PSI)	ISO 10766-1
Fluid Compatibility	Mineral oil, synthetic, biodegradable	ISO 6743-4
Shelf Life	5 years in original packaging	ISO 2230

Component Specifications Table

Component	Material	Size	Quantity	Application
Piston Seal	Polyurethane	50mm ID	1	Main pressure seal
Rod Seal	NBR with PTFE	30mm ID	1	Rod dynamic seal
Wiper Seal	Polyurethane	30.5mm ID	1	Contaminant exclusion
Wear Bands	PTFE composite	50mm OD	2	Piston guidance
O-Rings	Nitrile (NBR)	Various	4	Static seals
Backup Rings	Nylon	Various	2	Anti-extrusion
Gland Gasket	NBR	45mm OD	1	Gland seal

Compatible Excavator Models

Manufacturer	Model Series	Specific Models	Year Range
Doosan	DX55 ACE	DX55 ACE, DX55 ACE Plus	2018-2023
Doosan	DX55MT ACE	DX55MT ACE, DX55MT ACE Plus	2019-2023
Daewoo	Solar Series	Solar 55, Solar 55 Plus	2017-2022

Cylinder Specifications

Parameter	Specification	Tolerance
Cylinder Bore	50 mm	+0.10/-0.00 mm
Piston Rod Diameter	30 mm	+0.00/-0.05 mm
Stroke Length	485 mm	±2 mm
Rod Finish	Hard chrome plated	Ra 0.2-0.4 μm

Installation decomposition diagram
Safety Preparation
Completely depressurize hydraulic system
Secure excavator on level ground
Support arm cylinder properly during disassembly
Wear appropriate personal protective equipment
Workspace Preparation
Clean cylinder exterior thoroughly
Use clean, organized work area
Verify kit completeness before starting
Prepare proper seal installation tools

Installation Procedure:
Disassembly Steps
Mark cylinder components for reassembly
Carefully remove gland nut and piston
Document seal orientation and position
Clean all components with non-petroleum solvent
Seal Installation
Lubricate all seals with clean hydraulic fluid
Use seal installation tools - avoid sharp instruments
Ensure proper orientation of directional seals
Verify seals are fully seated in grooves
Reassembly Specifications
Gland nut torque: 180-200 Nm (133-148 ft-lbs)
Ensure proper rod alignment during assembly
Cycle cylinder slowly to distribute fluid
Commissioning Procedure:
Initial Operation
Cycle cylinder several times without load
Check for external leakage
Monitor hydraulic fluid temperature
Verify smooth operation
Performance Verification
Check for drift under load
Verify cylinder speed matches specifications
Monitor for unusual noises or vibration

Performance & Durability Data

Performance Parameter	Value	Test Method
Seal Life Expectancy	4,000 operating hours	ISO 7983
Friction Coefficient	0.08-0.12	ASTM D1894
Extrusion Resistance	45 MPa sustained	ISO 1829
Compression Set	<15% after 24h @ 100°C	ISO 815

Frequently Asked Questions

A. When will get the items after I place order?
Q. Once your payment is confirmed,we will arrange the goods within 1~4 days; if not in stock, we will inform you before placing the order?

A. If I only know the excavator model, but can not offer parts No.,what should I do ?
Q. If possible, you can send us pictures of old products, nameplate or the size for reference.

A. How can you guarantee the quality??
Q. We will 100% test the goods before delivery. We also support video inspection.

A. How long will it take to delivery to my address??
Q. The normal delivery time is 3-7 days, depending on which country you are in.?

A : Which delivery method will you choose?
Q : By sea, air or express(DHL,Fedex,TNT, UPS, EMS etc.)，Sometimes we will arrange as the customer's demand.

A: What's package? Can you give me the package according my requirement??
Q. We usually packed by standard exported box or carton. And yes we can pack as per your requirement.

A: Can the price be cheaper?
Q: Of course, you will be offered a good discount for a big amount.

A: Why should I choose to buy from you?
Q:Our advantages: 100% quality assurance, develop and manufature follow original ones;Quick response within 24 hours; Small order allowed;Reasonable stock and timely delivery;Neutral packing, customized packing are allowed. Positive customer feedback from abroad market;Excellent after-sales service.
A : Which payment terms can you accept?
Q : Paypal. Western Union, Bank Transfer, T/T...

Contact COGENG

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About us: Welcome to the official website of GAOGENG(COGENG) has their own high-quality mining machinery components famous factory . We specialize in the production and distribution of top-notch products such as Excavator Solenoid Valve, Pressure Switch, Revolution Sensor, Wiring Harness, Throttle Motor, Oil Pressure Switch, and Water Temp Sensor, specifically designed for renowned brands in the mining industry:
Caterpillar®,JohnDeere®,Komatsu®,Case®,Volvo®,Hitachi®,Sumitomo®,Doosan®,Hyundai®,
Liebherr®,JCB®.

Products: Excavator Solenoid Valve; Excavator Wiring Harness; Excavator Motors; Excavator Pressure Sensor; Excavator Engine Oil Sensor; Excavator Water Temp Sensor; Excavator Control Panel; Excavator Switch Parts

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