Klubersynth Cross Reference by ISO VG Grade
| ISO VG | Product | Type | Typical Application |
| 6 | Klubersynth UH1 6-6 | NSF H1 Oil | Ultra-low-viscosity food-grade for high-speed spindles |
| 22 | Klubersynth LI 44-22 | Chain Oil | High-speed industrial chains, low drag |
| 32 | Klubersynth CH 2-32 | NSF H1 Hydraulic Oil | Food-grade hydraulic systems, low-temp startup |
| 46 | Klubersynth RA 4-46 | Compressor Oil | Rotary screw air compressors, extended drain intervals |
| 68 | Klubersynth GEM 4-68 N | Synthetic Gear Oil | Wind turbine gearboxes, high-speed industrial gears |
| 100 | Klubersynth UH1 6-100 | NSF H1 Oil | Food-grade hydraulics, chains, general machinery |
| 150 | Klubersynth GH 6-150 | Synthetic Gear Oil | Medium-speed enclosed industrial gearboxes |
| 220 | Klubersynth GEM 4-220 N | Synthetic Gear Oil | Standard industrial gear drives, moderate loads |
| 320 | Klubersynth GEM 4-320 N | Synthetic Gear Oil | Wind turbine main gearboxes, heavy industrial gears |
| 460 | Klubersynth GEM 4-460 N | Synthetic Gear Oil | Cement mill drives, mining gearboxes |
| 680 | Klubersynth GEM 4-680 N | Synthetic Gear Oil | Heavily loaded, low-speed industrial gear drives |
| 1000 | Klubersynth GEM 4-1000 N | Synthetic Gear Oil | Steel mill gear drives, extreme load applications |
| 1500+ | Klubersynth UH1 14-1600 | NSF H1 Chain Oil | Food-grade high-temperature chains and cables |
Reference: KLÜBER Lubrication product datasheets. Verify current specifications before application.
⚠ Important Note
Cross-referencing by viscosity alone is insufficient for lubricant selection. Always verify: (1) base oil type (PAO vs mineral), (2) additive package (EP, AW, R&O), (3) certifications (NSF H1, ISO 21469), and (4) OEM approvals for your specific equipment.
Frequently Asked Questions
Q: Can I use Klubersynth GEM in place of Klubersynth GH?
Klubersynth GEM 4 N and GH 6 are both PAO synthetic gear oils, but GEM 4 N has enhanced anti-micropitting additive technology validated per FVA 54/7 and is specifically developed for wind turbine and high-performance industrial gearboxes. GH 6 is a general-purpose synthetic gear oil. For critical gearboxes, use GEM 4 N. For standard enclosed industrial gears at moderate loads, GH 6 provides excellent performance at a more economical price point.
Q: How do I select the right viscosity for my gearbox?
Gear oil viscosity selection depends on gear type, speed (RPM), operating temperature, and load. As a general starting point: helical and bevel gears at moderate speeds = ISO VG 150-220; heavily loaded industrial gears = ISO VG 320-460; low-speed, high-load mill gears = ISO VG 680-1000. Always consult the gearbox manufacturer's specification and calculate the pitch-line velocity to verify viscosity selection.