Industrial Hydraulic Oil Equivalents & Cross-Reference Guide
Comprehensive engineering cross-reference matrix comparing technical specifications, base oil groups, DIN 51524 certifications, and direct drop-in interchangeability with Shell Tellus S2 M/MX, Mobil DTE 20 Series, Castrol Hyspin AWS, and Total Azolla ZS.
Tribological Standard Definition & Engineering Direct Answer
Procuring industrial hydraulic oils often requires cross-referencing major multinational brand products against high-performance factory-direct equivalents to reduce operating costs and secure supply chain continuity. Under international standard ISO 11158 and DIN 51524, hydraulic fluid performance is governed by strict physical and chemical testing parameters, not proprietary brand names. FOSS Anti-Wear Hydraulic Oil L-HM (ISO VG 32, 46, 68) is a certified 100% drop-in replacement for Shell Tellus S2 M / S2 MX, Mobil DTE 24 / 25 / 26 (DTE 20 Series), Castrol Hyspin AWS 32 / 46 / 68, and Total Azolla ZS 32 / 46 / 68, fully satisfying DIN 51524 Part 2 (HLP) and Denison HF-0. For wide-temperature applications, FOSS L-HV (VI >= 150) directly matches Shell Tellus S2 V / S2 VX, Mobil DTE 10 Excel 32 / 46 / 68, and Castrol Hyspin AWH-M, complying with DIN 51524 Part 3 (HVLP). Because FOSS fluids utilize severely hydrotreated Group II base stocks and premium stabilized ZDDP additive packages, they exhibit identical elastomeric seal compatibility (NBR, FKM, AU) and are fully miscible with existing mineral hydraulic charges without draining line flushes during top-ups. Factory supply in UN 208L steel drums delivers identical machinery protection at 25% to 35% lower cost. Supplied in export UN 208L steel drums and 1,000L IBC totes.
Verified 208L Steel Drum Staging & Container Loading Bay
Photographic evidence from our Quanzhou plant floor and export container stuffing bay. Every batch is blended via automated mass-flow metering, sealed with waterproof tamper-evident bungs, and labeled with full batch test certificates.
Major Brand Hydraulic Oil Equivalents & Technical Cross-Reference Matrix
Every batch blended at our Quanzhou plant is certified against international testing standards before filling into UN 208L steel drums.
| ISO Viscosity Grade | FOSS Factory Direct Product | Shell Equivalent | Mobil Equivalent | Castrol Equivalent | TotalEnergies Equivalent | Core International Standards |
|---|---|---|---|---|---|---|
| ISO VG 32 (Standard) | FOSS L-HM 32 Anti-Wear | Tellus S2 M 32 / S2 MX 32 | Mobil DTE 24 | Hyspin AWS 32 | Azolla ZS 32 | DIN 51524-2 HLP, Denison HF-0, ISO 11158 HM |
| ISO VG 46 (Standard) | FOSS L-HM 46 Anti-Wear | Tellus S2 M 46 / S2 MX 46 | Mobil DTE 25 | Hyspin AWS 46 | Azolla ZS 46 | DIN 51524-2 HLP, Denison HF-0, Vickers M-2950-S |
| ISO VG 68 (Standard) | FOSS L-HM 68 Anti-Wear | Tellus S2 M 68 / S2 MX 68 | Mobil DTE 26 | Hyspin AWS 68 | Azolla ZS 68 | DIN 51524-2 HLP, Denison HF-0, Cincinnati P-69 |
| ISO VG 46 (Wide-Temp) | FOSS L-HV 46 High-VI | Tellus S2 V 46 / S2 VX 46 | Mobil DTE 10 Excel 46 | Hyspin AWH-M 46 | Equivis ZS 46 | DIN 51524-3 HVLP, VI >= 150, Denison HF-0 |
| ISO VG 68 (Wide-Temp) | FOSS L-HV 68 High-VI | Tellus S2 V 68 / S2 VX 68 | Mobil DTE 10 Excel 68 | Hyspin AWH-M 68 | Equivis ZS 68 | DIN 51524-3 HVLP, VI >= 150, Pour Point -36°C |
Drop-In Interchangeability & Changeover Engineering Protocols
Engineered specifically for high-stress industrial machinery, minimizing friction coefficients and extending component service life.
100% Miscibility with Existing Fluid
FOSS L-HM can be added as top-up directly to reservoirs containing Shell Tellus or Mobil DTE without precipitation or hazing.
Seal Material Zero-Shrink Compatibility
Tested per ASTM D471 to guarantee neutral volume swell on Nitrile (NBR), Viton (FKM), and Polyurethane seals.
Denison HF-0 Pump Approval Compliance
Exceeds hybrid T6H20C pump test requirements, protecting high-pressure vane and axial piston pumps up to 350 bar.
Certified Factory Batch CoA Verification
Every shipment matched against original OEM specification sheets with accredited laboratory test certificates.
Laboratory Verification of Equivalency Parameters
Strict five-stage quality checkpoint from raw base oil tank unloading to finished drum sealing.
Viscosity Curve Verification (ASTM D445)
Kinematic viscosity verified within +/- 2% of major brand reference benchmarks at 40°C and 100°C.
Zinc-Phosphorus Additive Package Matching
ICP-OES confirms equivalent active anti-wear zinc levels (0.04 to 0.06 wt%) for boundary protection.
Demulsibility & Water Separation Test
ASTM D1401 verifies complete water separation under 15 minutes, matching Shell and Mobil performance.
24-Month Sealed Retention Archive
Archived 1L production samples stored with complete QA lot traceability.
Export Packaging, Palletization & Container Loadability
Supplied in standard UN 1A1 cold-rolled steel 208L drums (80 drums per 20GP container = 16,640 liters) and 1,000L IBC totes.
Frequently Asked Technical & Procurement Questions
Clarifications on viscosity grades, synthetic formulations, oil drain intervals, and container freight.
Can FOSS L-HM hydraulic oil be mixed directly with Shell Tellus S2 or Mobil DTE 25 without draining?
Will switching to FOSS hydraulic oil void my machinery manufacturer's warranty?
How much cost savings does factory-direct procurement deliver compared to global oil majors?
Request Direct Factory Quotation & Technical Dossier
Receive competitive FOB Xiamen / CIF port container pricing, batch Certificate of Analysis (CoA), and sample dispatch confirmation.