Xuzhou Sunwell Power Transmission Machinery Co.,Ltd.

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LDU20 Closed Circuit Transmission

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

For more information, please click the link below:
LDU20 Closed Circuit Transmission
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]