LDU transmissions

LDU 20/24 is a U-style hydrostatic transmission with Z-shaft configuration, including a closed-circuit variable displacement piston pump with direct displacement control (DDC) and a fixed motor. LDU 20/24 is specially designed with optimized performance, size, and cost, to fulfill the demand of the mobile applications marketplace, with displacements ranging from 20 cm³ to 24 cm³ [1.22 in³ to 1.46 in³].

Features and benefits

Easy-to-use design as a complete hydrostatic transmission package for turf care machines and compact utility tractors up to 26 kW [35 PS]
Compact design
Single housing with Z-shaft configuration
Bypass valve to allow the vehicle to be towed
Best-in-class efficiency, featuring female piston and male slipper design; overall efficiency of approximately 80% is possible
Improved kit life, higher duty cycle capability while providing the most compact design in this class of hydrostatic transmission
Low trunnion operating force

Applications

Turf care machines
Compact utility tractors

Specifications

Model	Displacement cm³ [in³]	Max. working pressure bar [psi]	Rated input speed rpm	Torque at maximum displacement (theoretical) Nm/bar [lb_f-in/1,000 psi]
LDU20	20 [1.22]	300 [4,350]	3,400	0.32 [195.2]
LDU24	24 [1.46]	300 [4,350]	3,400	0.38 [234.2]

For more information, see Technical Information.