магазин 569-8251 5698251 566-8632 5668632 Основной гидравлический поршневой насос для E349 E352 Excavator

Model: Variable-displacement axial piston pump (likely K3V280DT or SBS200 series, based on CAT’s large excavator pump lineage)

Part Numbers:

OEM: 569-8251 (Caterpillar), 5698251 (alternate listing)

Aftermarket/Replacement: 566-8632, 5668632 (compatible equivalents)

Application:

CAT E349 (349E, 349F) and E352 (352F, 352UHD) excavators

Type: Axial piston pump with swashplate control for variable flow

Material: High-strength alloy steel for critical components (shaft, cylinder block)

Performance Parameters

Смещение:

Rated: 280 cm³/rev (17.09 in³/rev) (inferred from E349’s 770 L/min flow requirement at 2,000 RPM) h-cpc.cat.com

Скорость потока:

Maximum: 770 L/мин (203 GPM) at 2,000 RPM (matches the E349’s main implement system) h-cpc.cat.com

E352 UHD Variation: 779 L/мин (206 GPM) for heavy-duty applications

Pressure Ratings:

Maximum System Pressure: 350 бар (5,076 psi) (aligned with E349/E352’s hydraulic circuit) h-cpc.cat.com

Peak Pressure: ≥363 bar (5,265 psi) to accommodate travel system demands

Speed:

Maximum Input Speed: 2,000–2,300 RPM (standard for CAT large excavator pumps)

Torque:

Maximum Input Torque: ~2,500–3,000 N·m (calculated based on pressure and displacement)