LRL025 Hydraulic Piston Pump for Sauer Danfoss Series 45 7005639 for PC3000 PC4000

The LRL025 is a highly compact, variable displacement axial piston pump operating within the field-proven Danfoss Series 45 family. Providing a precise 25cc displacement with a Left-Hand (Counter-Clockwise) rotation configuration, this L-Frame model is highly favored for space-restricted open-circuit installations. Its high self-priming speed capability and reliable load-sensing responsiveness make it an outstanding power source for modern mobile machinery.

Sauer‑Danfoss LRL025 Axial Piston Pump
(Model: LR‑L‑025C‑AC‑10‑NN‑NN‑N‑3‑K1NF‑A6N‑AAA‑NNN‑NNN)

Designed for the Komatsu PC3000 excavator, this variable‑displacement pump delivers 25 cc/rev and withstands digging forces up to 380 bar through advanced load‑compensation technology.

During aggressive bucket crowding and swing transitions, the LRL025 responds with instantaneous flow adjustments – eliminating operational lag and ensuring smooth, precise control. Its hardened axial pistons resist silica abrasion in demanding quarry environments, while tapered roller bearings effectively absorb radial shock loads.

The built‑in thermal management system supports continuous 24/7 operation without overheating, and the pump is certified to ISO 4406 20/18/15 cleanliness standards for long‑term reliability

Application Information

Danfoss LRL025 hydraulic pump is designed for mobile hydraulic systems.
Typical application areas:
Construction Equipment
Agricultural Machinery
Mobile Equipment
Auxiliary Hydraulic Systems

Specific machine compatibility should be confirmed according to:
Complete pump model code
Original part number
Machine model
Nameplate information

Installation and Replacement Notes

Before installation:

1. Confirm pump model and configuration.
2. Verify hydraulic system requirements.
3. Check hydraulic oil cleanliness.
4. Confirm shaft and mounting configuration.
5. Follow equipment service procedures.