Ultra High Efficiency Hydraulic Filter 126-1818, 1261818
The 126-1818 can replace Fleetguard HF35554, Baldwin BT9362-MPG, Donaldson P179343, Case 254353A1.
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Vacuum Oil Purifier with Complete Accessories The Vacuum Oil Purifier is a high-performance industrial oil purification system designed to remove solid particles, moisture, dissolved water, and air from lubricating oil, hydraulic oil, transformer oil, and other industrial fluids. Supplied with complete accessories, this purification unit provides an efficient solution for oil maintenance, oil regeneration, and contamination control in demanding industrial applications. With a processing capacity of 50 liters per minute, it is suitable for workshops, equipment maintenance centers, power plants, hydraulic systems, and other facilities that require reliable oil purification. Technical Specifications Product Type Vacuum Oil Purifier Accessories Complete Accessories Included Flow Rate 50 L/min Working Pressure 0.6 MPa Vacuum Level ≤ -0.095 MPa Residual Water Content 5–10 ppm Residual Air Content ≤ 0.2% First-Stage Filtration 100 μm Second-Stage Filtration 10–20 μm Third-Stage Filtration 1–3 μm Voltage 380 V AC Frequency 50 Hz Phase Three Phase Motor Power 36 kW Heating Power 24 kW Control System PLC Control Efficient Vacuum Dehydration and Degassing The purifier operates with a vacuum level of ≤ -0.095 MPa, creating an effective environment for removing moisture and air from contaminated oil. After treatment, the residual water content can be reduced to approximately 5–10 ppm, while the residual air content is controlled to ≤ 0.2%. This helps improve oil cleanliness and reduce the negative effects of moisture and air on lubrication performance, hydraulic components, pumps, valves, bearings, and other critical equipment. Three-Stage Precision Filtration The Vacuum Oil Purifier uses a three-stage filtration process for progressive contaminant removal. The first stage uses a 100-micron filter to capture larger solid particles and protect the downstream filtration system. The second stage provides 10–20 micron filtration for finer contamination control. The third stage uses a high-precision 1–3 micron filter to remove very small particles and achieve a higher level of oil cleanliness. This multi-stage design supports stable purification performance and helps protect critical components from particulate contamination. Powerful Heating and High Processing Capacity Equipped with a 24 kW heating system, the purifier provides effective heating during the oil treatment process. Controlled heating helps improve moisture separation and supports efficient vacuum purification. With a 50 L/min flow rate and 0.6 MPa working pressure, the system is designed for high-capacity industrial oil purification and continuous maintenance applications. PLC Automatic Control The system features PLC control for organized and automated operation. Its electrical configuration is 380 V AC, 50 Hz, three phase, with a 36 kW motor. PLC-based operation helps simplify system management, improve process consistency, and reduce the need for frequent manual adjustments during purification. ...
High Flow Hydraulic Filter P551348 Overview
The High Flow Hydraulic Filter P551348 is a spin-on hydraulic filtration solution designed as a replacement for applications using the Donaldson P551348 specification. With a 3.66-inch (93 mm) outer diameter, 1 1/8-16 UN thread, and 6.81-inch (173 mm) length, this filter provides a practical option for distributors, retailers, hydraulic service companies, and filter wholesalers looking for reliable aftermarket supply.
P551348 is a spin-on hydraulic filter intended for hydraulic filtration applications where dimensional compatibility and dependable filtration are important. Available as a Donaldson replacement filter, it can help aftermarket distributors serve customers who need replacement filtration without limiting their inventory to one equipment brand.The spin-on construction supports straightforward filter replacement and can help reduce service time during routine hydraulic system maintenance. This format is suitable for distributors and service companies that handle recurring replacement orders.
The 93 mm outer diameter and 173 mm length provide a clear dimensional reference for buyers performing a Donaldson Hydraulic Filter By Size search. The 1 1/8-16 UN thread further helps procurement teams compare replacement options before ordering.
P551348 is cross-referenced with a broad range of replacement numbers. For example, published references include Baldwin BT305, Fleetguard HF35018, Luberfiner LFH8217, Mann W935/2, Mitsubishi C45702411, and Wix 51621. This broad interchangeability can help wholesalers simplify product sourcing and support customers using different equipment brands.
| Item | Specification |
|---|---|
| Product Name | High Flow Hydraulic Filter P551348 |
| Part Number | P551348 |
| Part Type | Hydraulic Filter Spin-On |
| Brand | Donaldson Replacement |
| Outer Diameter | 3.66 inch (93 mm) |
| Thread Size | 1 1/8-16 UN |
| Length | 6.81 inch (173 mm) |
| Gasket OD | 2.80 inch (71 mm) |
| Gasket ID | 2.01 inch (51 mm) |
| Media Type | Cellulose |
| Efficiency Beta 2 | 16 micron |
| Efficiency Beta 1000 | 26 micron |
| MOQ | 60 pcs |
For procurement teams, cross-reference data can make it easier to identify potential replacement numbers across different brands. The following numbers are supplied for reference and should be checked against the equipment manufacturer's requirements and the original filter specifications before purchase.
| Brand | Cross Reference Part Numbers |
|---|---|
| Baldwin | BT305 |
| Caterpillar | 0937521, 2898194, 937521X, 937521, 937520 |
| Fleetguard | HF35018 |
| Hengst | HY372W |
| Hifi Filter | SH 66054 |
| Kubota | W21TSH5200, HH52015320, 5220015320 |
| Luberfiner | LFH8217 |
| Mahindra | 15645153410 |
| Mann | W935/2 |
| Massey Ferguson | 3705452M2, 370203M91 |
| Mitsubishi | C4570411, WP110, C45702411, 19812461000 |
| New Holland | 83984918 |
| Sakura | HC-5801 |
| Sany | 60277731 |
| Wix | 51621 |
This replacement filter is suitable for B2B buyers who need a dependable source for aftermarket hydraulic filtration products. It can support inventory programs for filter retailers, hydraulic service providers, wholesalers, and filter stores. A multi-brand cross-reference range also allows distributors to organize inventory around commonly requested replacement numbers rather than relying on a single equipment brand.
For businesses purchasing in volume, the 60-piece MOQ provides a practical starting point for regular wholesale supply. If your market requires private labeling, packaging changes, or other product specifications, our team can discuss a Custom Hydraulic Filter solution based on your requirements.
CHINA EVERLASTING PARTS CO., LIMITED specializes in filtration products for industrial and aftermarket applications. Our product range includes air filters, air cleaner filters, air dryers, ventilation filters, breather filters, oil filters, fuel filters, hydraulic filters, fuel water separators, air oil separators, and filter assemblies.
For distributors and wholesalers, our Aftermarket Hydraulic Filter program can be adapted to different sourcing needs. OEM and ODM cooperation is also welcome, allowing customers to discuss product development, branding, packaging, and supply requirements with our sales team.
Wholesale Filter Distributor
“The cross-reference information made it easier for our purchasing team to match the P551348 replacement with the numbers requested by our customers. The product is a good fit for our aftermarket inventory program.”
Hydraulic Service Company
“We needed a replacement hydraulic filter with specific thread and gasket dimensions. The specification sheet helped our team check the product before placing a bulk order.”
Filter Retailer
“The multi-brand reference numbers are useful for our store because customers often provide different original part numbers. The supplier also supports OEM and customized filter requirements.”
P551348 is a spin-on hydraulic filter reference associated with Donaldson and multiple aftermarket replacement numbers. Public product data identifies it with a 1 1/8-16 UN thread and 3.66-inch outer diameter.
Yes. P551348 is commonly cross-referenced with numbers including Baldwin BT305, Fleetguard HF35018, Caterpillar 937520/937521, Luberfiner LFH8217, Mitsubishi C45702411, and Wix 51621.
Yes. CHINA EVERLASTING PARTS CO., LIMITED welcomes OEM and ODM cooperation. Contact our sales team with your required dimensions, application, filtration specifications, packaging, and target quantity.
The standard MOQ provided for this product is 60 pieces. For customized orders, MOQ and production requirements can be discussed with our sales team.
CHINA EVERLASTING PARTS CO., LIMITED is a professional high-quality filter manufacturer serving international aftermarket and industrial filtration markets. Our main products include Air Filter, Air Cleaner Filter, Air Dryer, Ventilation Filter, Breather Filter, Oil Filter, Fuel Filter, Hydraulic Filter, Fuel Water Separator, Air Oil Separator, and Filter Assembly.
We focus on providing practical filtration solutions for professional buyers and welcome OEM and ODM cooperation. Our product portfolio and customization capabilities are designed to support distributors, retailers, service companies, wholesalers, and filter stores seeking stable aftermarket supply.
WhatsApp / WeChat: +86 18965520297
WhatsApp / WeChat: +86 18144082725
Email: Sales@filters-king.com
The 126-1818 can replace Fleetguard HF35554, Baldwin BT9362-MPG, Donaldson P179343, Case 254353A1.
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