LF777 Fleetguard Oil Filter | Fits KTA50-G3 Atlas Copco QAC1250

Full Brand & Model Compatibility Coverage

Core Filtration Benefits for Heavy Machinery

For heavy site conditions, advanced filtration efficiency ensures thorough engine protection across extreme working environments. First and foremost, the LF777 provides 50% efficiency at 9 microns to capture tiny fine particles completely. In addition, it reaches 99% efficiency at 22 microns so it blocks nearly all large harmful contaminants with ease. Meanwhile, it maintains consistent oil flow and never creates excessive pressure restriction inside the lubrication system. Over long service cycles, this smart design lowers internal wear rates and extends practical maintenance intervals significantly.

Furthermore, carefully calibrated sizing guarantees stable installation and broad cross‑brand compatibility for the LF777 oil filter. Specifically, its 118 mm outer diameter and 260 mm overall length perfectly fit most large factory engine housing structures. In addition, the standard 1 3/8-16 UN thread offers secure locking and strong resistance against frequent vibration on rough job sites. Moreover, the gasket OD of 110 mm and gasket ID of 98 mm create a tight, durable sealing surface all year round. Therefore, every physical parameter follows strict OEM manufacturing standards to ensure precise and reliable fitment every time.

Model: LF777 Fleetguard Oil Filter | Outer Diameter: 118 mm (4.65 inch)

Thread Size: 1 3/8-16 UN | Length: 260 mm (10.24 inch)

Gasket OD: 110 mm (4.33 inch) | Gasket ID: 98 mm (3.86 inch)

Efficiency 50%: 9 micron | Efficiency 99%: 22 micron

Besides the listed detailed models above, the LF777 cross reference oil filter acts as a versatile replacement choice for dozens of leading global equipment brands. To begin with, it fits major manufacturers including Komatsu, Caterpillar, Cummins, Volvo, Hitachi, and Liebherr without modification. Moreover, it fully covers industrial generators, large excavators, heavy-duty trucks, wheel loaders and professional heavy power units. It adapts smoothly to outdoor construction tasks and long-hour stationary engine operation scenarios alike. Consequently, it simplifies warehouse inventory management and supplies one-filter coverage for mixed-type machinery fleets worldwide.

At the same time, steady oil pressure stands essential for safe and reliable daily engine running performance. For example, the LF777 keeps balanced lubricant flow even when contaminants slowly build up inside the filter media. In addition, it avoids sudden pressure drops that may trigger system alarms or weaken normal engine lubrication effects. Besides this advantage, it resists early clogging effectively and supports longer intervals between regular maintenance services. All things considered, it maintains smooth and stable lubrication protection even under the most demanding heavy-duty working conditions.

In addition, dependable sealing design eliminates oil leakage and unfiltered bypass risk for the LF777 oil filter. Notably, precision-sized installation gaskets form a firm compression seal against standard engine mounting surfaces. Meanwhile, the whole filter structure stays stable under strong mechanical vibration and frequent temperature changes on site. Throughout its full service life, the gasket material keeps stable elasticity and consistent sealing performance reliably. For this practical reason, it guarantees full filtration efficiency and zero oil loss during continuous engine operation.

Moreover, robust overall construction allows the LF777 to run steadily in harsh industrial and outdoor working environments. Primarily, its heavy‑duty outer casing resists external impact, shape deformation and daily physical damage completely. Furthermore, high‑quality internal filter media maintains structural integrity under long-term continuous oil exposure cycles. It withstands extreme temperature changes, moisture interference and nonstop long-hour operation without performance failure. This strong build extends the filter service lifespan and reduces the overall frequency of regular filter replacement work.

Finally, the LF777 Fleetguard oil filter brings outstanding long-term economic benefits for mixed heavy equipment fleets. First of all, its dual high-efficiency filtration protects expensive core engine components from premature wear and unexpected failure. Secondly, its ultra-broad equipment compatibility cuts spare part stock quantity and simplifies daily warehouse parts management procedures. Thirdly, stable consistent running performance reduces site downtime and lowers overall long-term maintenance expenses for all operators. In short, it delivers a fully cost‑effective professional heavy‑duty lubrication solution for all industrial engine protection needs.