A: Primary symptoms include external oil leakage at the pump housing, a noticeable drop in overall hydraulic speed, or the pump housing running excessively hot. If you notice hydraulic oil migrating into the engine gear case (cross-contamination), the shaft seal in the K3V112DT-XLB kit likely needs immediate replacement.
A: Absolute cleanliness is mandatory; even microscopic dust can ruin the seal seat. Ensure the pump shaft is inspected for grooving or burrs. Always use the correct installation sleeves to prevent "nicking" the seal lips, and pre-soak seals in clean hydraulic oil to ensure lubrication during the first start-up.
A: This kit is tailored for the Kawasaki K3V112DT pump, commonly found in SK200-6, DH220-5, R215-7, and SY215 excavators. Verify the pump nameplate matches the K3V112DT-XLB designation. Since these pumps have various regulator styles, checking your specific pump's serial number is the safest way to ensure a 100% match.
A: The kit features premium Fluorine rubber (Viton) and reinforced TPU, which remain stable in temperatures up to 120°C. This prevents the seals from becoming brittle or melting during the long, high-load shifts typical of open-pit mining, ensuring the main pump maintains its volumetric efficiency.
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies





















