Danfoss Reverse Displacement Axial Piston Motors

The Danfoss Reverse Displacement Motor (RDM) is a breakthrough in technological innovation and engineering.
The heart of the new technology is an integrated shift valve. When used in a fan drive application, triggers a series of cost-saving and efficiency-boosting advances.
Optimize fan drive solutions with the RDM and the new Series 45 Fan Drive Control (FDC). When used with the RDM, FDC maximizes efficiencies and performance in an open circuit reversing fan drive system.
The Danfoss Reverse Displacement Motor is just one of the many product innovations and system solutions created by our continuous improvement and re-engineering efforts.
Danfoss RDM motors are available in 5 displacements, from 25 cc/rev to 45cc/rev: LM25 / LM30 / LM35 / KM38 / KM45 with maximum pressure of 350 bar.

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Technical Specifications

Parameter		Unit	LM25	LM30	LM35	KM38	KM45
Displacement (maximum)		cm³ [in³]	25 [1.50]	30 [1.83]	35 [2.14]	38 [2.32]	45 [2.75]
Weight		kg [lb]	17.5 [38.6]
Theoretical torque		N·m/bar [lbf.in/1000 psi]	0.40 [244]	0.48 [293]	0.56 [347]	0.60 [366]	0.72 [439]
Output speed	Rated:	min-1 (rpm)	3400	3500	3600	3600	3500
Output speed	Max:	min-1 (rpm)	3950	4150	4300	4000	3900
System pressure(1)	Max.	bar [psi]	350 [5075]	350 [5075]	325 [4715]	350 [5075]	325 [4715]
Case pressure	Rated:	bar [psi]	0.5 [7] above outlet pressure, 2 [29] absolute pressure
Case pressure	Max.	bar [psi]	2 [29] above outlet pressure, 6 [87] absolute pressure
Voltage		V_DC	12, 24
Current	12 V_DC	_mA	1500
Current	24 V_DC	_mA	750
Connector		–	DEUTSCH connector DT04-2P