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Char-Lynn S Series Low Speed, High Torque (LSHT) Geroler® Spool Motor

Item #100154061
USD $ 486.98 each

Product details

  • S Series Hydraulic Motor
  • 15 gal/min
  • 13.7 in3
  • Shaft: 25 mm Straight
  • Manifold, M8 x 1.25 Threads Side Port


  • Geroler motors are similar in design to the geroter motor, but feature better low-speed performance characteristics and higher overall efficiency. They can generate up to 15 hp. Motors with the Geroler element provide high starting and running torque as well. By minimizing friction, the Geroler element helps to increase efficiency while providing smooth output shaft rotation even at very low speeds.


  • Speed up to 1,150 rpm
  • Compact size
  • Provides high efficiency, even at start-up and low speeds
  • Motor shaft rotation can instantly be reversed by changing direction of input/output flow while generating equal torque in either direction


  • SAE ports
  • Splined and tapered shafts


Series S Series
Duty Standard-Duty
Mount Type 2 Bolt, SAE-A
Shaft Size & Type 25 mm Straight
Port Size Manifold, M8 x 1.25 Threads
Port Type Manifold
Port Location Side Port
Motor Element Geroler
Seal Material Buna-N
Displacement (in³/rev) 13.7
Special Features None
Case Drain G 1/4 (BSP)
Motor Type Spool Valve
Rotation Standard Rotation
Paint/Packaging Low Gloss Black, Individual Box
Flow [MAX] 15 gal/min
Bolt Circle Dia. 4.18 in
RPM [MAX] 253 rpm
Output Torque at Rated PSI (inch/pounds) 3290 in lb
Maximum Speed 253 rpm @ 15 gal/min
Pilot Diameter 3 1/4 in
Mounting Holes 0.535 in
Inlet Pressure [MAX] 2500 psi
Flange Orientation Standard
Pressure [MAX] 1700 psi
Splines 0
Paint Code A
Special Features Hardware Code 00
Shaft Size 25 mm
Port Code D
Mounting Type Code REF!
Special Features Assembly Code 0
Shaft Type Straight
Corrosion Resistant No
Case Drain Code 2
Output Shaft Code 24
Weight 29.0 LB

Supporting Documents

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