Hydraulic Return Filter Element AT433504 SH630141 for Excavator
Product Overview: AT433504 / SH 630141 Hydraulic Return Filter
The MILESTONE AT433504 (cross-reference HIFI SH 630141) hydraulic return filter element is engineered for high-demand fluid circuits in excavators, agricultural tractors, and earthmoving machinery. Installed in the low-pressure return line or inside hydraulic fluid tanks, it captures system wear particles before oil returns to the reservoir.
Technical Specifications & Interchanges
- OEM Part Numbers: AT433504, SH 630141
- Compatibility: Heavy tractors, hydraulic excavators, forestry equipment
- Filtration Rating: 10 Micron nominal (Beta 200 rating)
- Core Construction: Spiral-perforated carbon steel center tube
- End Plates: Heavy-gauge electro-tin plated steel with chemical-resistant potting
Manufacturing Standards & Zero-Bypass Reliability
Engineered and tested under ISO 16889 multi-pass protocols, the AT433504 filter delivers consistent beta stability across fluctuating fluid flow rates and cold-fluid viscosity spikes. Premium synthetic O-ring seals ensure tight fitment and 100% bypass-free circuit filtration.
Frequently Asked Questions (FAQ)
Q1: What machinery systems utilize the AT433504 hydraulic filter?
A1: AT433504 is widely deployed on modern hydraulic excavators, agricultural tractors, and hydrostatic drive loaders. Contact our technical support team for specific equipment cross-reference.
Q2: How does micro-glass media compare to conventional cellulose?
A2: Inorganic micro-glass fibers offer up to 4 times higher dirt holding capacity, uniform pore geometry, and lower initial differential pressure compared to standard cellulose paper, significantly extending hydraulic component service life.
Q3: What are the packaging and delivery terms for export orders?
A3: MILESTONE provides sturdy seaworthy export cartons, plastic wrapping, and wooden palletizing with low MOQ of 50 units. Standard production lead time is 7-15 business days.





