LDU20 is a kind of U-style HST hardware, including a closed circuit variable displacement piston pump with DDC (Direct displacement control) and a fixed motor. LDU20 is specially designed with optimized performance, size, and cost, in order to fulfill the demand of the mobile applications marketplace.
• Easy to use design as Complete Hydrostatic Transmission package for Turf care machines & Compact Utility Tractors up to 22kw[30PS]
• Compact design
• U-style layout in One housing with Z-shaft configuration
• Available external charge
• Bypass valve to allow the vehicle to be towed
• Same shaft center distance as BDU21 85mm…Between pump and motor shaft. Same drive line design is available between BDU21 and LDU20
• Best in class Efficiency by Female Piston & Male slipper design…Can reach approximately 80% overall efficiency
• Longer life kit, Higher Duty Cycle capability in the most compact design in this class of HST
• Low trunnion operating force
• Serviced by a Worldwide Network of Sauer-Danfoss
Features | Unit | LDU 20 | |
---|---|---|---|
Input shaft | Minimum for external charge supply | min-1 (rpm) | 500 |
Minimum for full performance | 1300 | ||
Rated | 3400 | ||
Maximum | 3800 | ||
System pressure | Maximum working pressure | bar [psi] | 300 [4350] |
Maximum pressure | 345 [5000] | ||
Input power | Maximum | kw [PS] | 22 [30] |
Charge pressure | Minimum | bar [psi] | 5 [73] |
Case pressure | Rated | bar [psi] | 1 [14.5] |
Maximum | 3 [43.5] |