Klüber Klübersynth GE 4 80 W 140 is a fully synthetic high-performance gear oil
– Maximum protection against scuffing: API GL-5
– Excellent wear protection for gear teeth and rolling bearings
– Good shear stability for reliable lubricant film formation
– High micropitting resistance
– Excellent ageing and oxidation resistance
– Wide service temperature range due to good viscosity-temperature behaviour
– Good anti-foaming characteristics
– Especially developed for rail vehicle gears subject to high stresses
– Complements Klübersynth GE 4 75 W 90 with a higher viscosity
Klübersynth GE 4 80 W 140 is a fully synthetic highperformance gear oil based on polyalphaolefin (PAO) offering high stability and protection even under shock loads. It was especially developed for rail vehicle gearboxes operating under high loads. The product is based on Klübersynth GE 4 75 W 90, which has been tried and tested on the market and is approved by many OEMs. Its viscosity, however is higher: SAE 80 W 140.
Klübersynth GE 4 80 W 140 offers a very high scuffing load capacity of API GL-5 and can therefore be used in gearboxes requiring API GL-4 or API GL-5. The excellent wear protection of both gears and rolling bearings ensures a long service life of the lubricated components, leading to lower maintenance costs. The oil’s high micropitting resistance of GFT ≥ 10 according to FVA 54/7 offers sufficient protection to gears that are subject to high loads and would normally be susceptible to this type of damage. The product’s low foaming tendency and anticorrosive properties enable problem-free gear operation. The good shear stability of the synthetic base oil contained in Klübersynth GE 4 80 W 140 effectively prevents a decrease of the lubricant film thickness even at high loads. The excellent ageing and oxidation stability of the synthetic base oil facilitates considerably longer oil change intervals compared to mineral oils or other synthetic oils, contributing to reduced maintenance costs.
Klübersynth GE 4 80 W 140 was especially developed for the lubrication of spur, bevel and hypoid gears with maximum antiwear and lifetime requirements even under shock loads. It may be used in drive units for rail vehicles, industrial robots, textile machines or metal-forming presses.
The oil can be applied by means of immersion, immersion circulation or injection lubrication. Drip-feed lubrication as well as application by brush, oil can or automatic lubricating systems are also possible.
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