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4000 Series Geroler Motor, 24.00 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,

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Description & Features

The Danfoss / Eaton Char-Lynn 4000 Series Disc Geroler Standard motor is designed to handle demanding industrial applications such as mowing snow removal and trenching. This highly efficient motor boasts a displacement of 24.00 cu in/rev and utilizes a 4 Bolt SAE B Mounting Flange for secure installation.

Featuring a 1-1/4 in. Straight Keyed Shaft and 1-1/16-12 St.Thd. O-Ring Ports this motor ensures compatibility with various hydraulic systems. The 4000 Series Geroler Motor is engineered for peak performance maintaining a fluid viscosity range of 100-200 SUS and operating efficiently at temperatures up to 180F.

Maximizing energy savings it offers the lowest pressure drop in the industry with a torque rating of 930 newton metre. For continuous back pressure scenarios over 1500 PSI an external case drain line is recommended to keep the motor case full. The motor supports premium quality anti-wear hydraulic fluids and adheres to ISO Cleanliness Code level 18/13 for optimal filtration.

This robust motor is built to last with a recommended break-in period of running at 30% rated pressure for one hour before full load application.

MPN: C1AH65

Supplier Part Number: 109-1106-006

Specifications

Application
Other: Mowing, Snow Removal, Sprayer, Trencher, Wood Products
Design Code
6
Displacement
24
Displacement
24
Brand
Danfoss Power Solutions II (Char-Lynn)
Brand
Char-Lynn
Pack Size
1.00
UOM
EA
Features
Standard, wheel or bearingless configurations|Lowest pressure drop motor in the industry|Highly-efficient Geroler motor provides energy savings
Identification
None
Mount
4 Bolt SAE B
Mount
4 Bolt SAE B
Port Type
1.0625-12 UN-2B SAE O-Ring Ports - Staggered Ports
Ports
1-1/16-12 St.Thd. O-Ring
Ports
1-1/16-12 St.Thd. O-Ring
Shaft
1-1/4 in. Straight Keyed
Shaft
1-1/4 in. Straight Keyed
Supplier Part Number
109-1106-006
Torque Rating
930 newton metre
Torque Rating
930 newton metre
Valve Options
None
Alternate Part Numbers
Alternate Part Number 109-1106-006, Alternate Part Number C1AH65
Product Weight
60.00 lbs

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Product Questions & Answers (1)

Question by: Darryl R on Mar 20, 2026, 2:52 PM
motor's been running strong but I got continuous back pressure pushing past 1500 PSI pretty regular, do I need to do anything special to keep from cooking it?
Answer by: Customer Support on Mar 22, 2026, 1:09 PM
At that pressure level, yeah, you'll want to run an external case drain line. The motor can handle up to 1500 PSI without one, but anything consistently above that and you need the drain hooked up to keep the case full of fluid at all times. Running it dry or with insufficient case fill above that threshold is hard on the internals over time.