4000 Series Geroler Motor, 7.90 cu in/rev, 4 Bolt SAE B Mounting Flange, 1-1/4 in. Straight Keyed Shaft, 1-1/16-12 St.Thd. O-Ring Ports,

Designed for demanding mobile equipment applications, the Char-Lynn 4000 Series Geroler Motor delivers 7.90 cu in/rev displacement and a torque rating of 375 Nm, making it well suited for mowing, snow removal, sprayer, trencher, and wood products equipment. The disc Geroler design offers low internal pressure drop and efficient energy use across a broad range of duty cycles.

This motor mounts via a 4-bolt SAE B flange and features a 1-1/4 in. straight keyed shaft. Fluid connections are made through 1-1/16-12 straight-thread SAE O-ring ports in a staggered configuration. Maximum case pressure is rated at 1,500 PSI without a case drain, and operating temperature is limited to 180°F. Recommended fluid viscosity falls in the 100–200 SUS range, with filtration to ISO cleanliness level 18/13.

Available in standard, wheel, or bearingless configurations, this motor is a reliable choice for mid-range hydraulic drive applications where efficiency and compact mounting matter.

SKU: 109-1101

Supplier Part Number (MPN): 109-1101-006

Alternate Part Numbers: C1JW74