Our BDU transmissions are available in three sizes, with displacement between 10 cm3 and 21 cm3 [0.37 in3 and 1.28 in3]. They contain variable-displacement pumps and fixed-displacement motors, both of which feature axial piston designs and spherical-nosed pistons.

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BDU transmissions FBA

<h2>Specifications</h2><table><tbody><tr><td>Model</td><td>Displacement cm3 [in3]</td><td>Max. working pressure bar [psi]</td><td>Rated input speed rpm</td><td>Max. output torque (theoretical) Nm [lbf-in]</td></tr><tr><td>BDU-10S</td><td>10 [0.61]</td><td>150 [2,185]</td><td>3,000</td><td>23.4 [208]</td></tr><tr><td>BDU-10L</td><td>10 [0.61]</td><td>150 [2,185]</td><td>3,000</td><td>23.4 [208]</td></tr><tr><td>BDU-21L</td><td>21 [1.28]</td><td>150 [2,185]</td><td>3,600</td><td>49.2 [436]</td></tr><tr><td>BDU-21H</td><td>21 [1.28]</td><td>210 [3,059]</td><td>3,600</td><td>72.1 [639]</td></tr></tbody></table>For more information, see&nbsp;<a href="https://assets.danfoss.com/documents/latest/216687/BC152886484098en-000208.pdf#page=11" target="_blank" rel="noopener">Technical Information</a>.&nbsp;

ps-BDU transmissions-CFH_5012656

BDU transmissions

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BDU transmissions

Features and benefits

Applications

Specifications

Model	Displacement cm3 [in3]	Max. working pressure bar [psi]	Rated input speed rpm	Max. output torque (theoretical) Nm [lbf-in]
BDU-10S	10 [0.61]	150 [2,185]	3,000	23.4 [208]
BDU-10L	10 [0.61]	150 [2,185]	3,000	23.4 [208]
BDU-21L	21 [1.28]	150 [2,185]	3,600	49.2 [436]
BDU-21H	21 [1.28]	210 [3,059]	3,600	72.1 [639]