S Series Geroler Motor, 18.20 cu in/rev, 2 Bolt Mounting Flange, 1 in. Straight Keyed Shaft, 1/2 NPT Ports, Compact yet powerful|Extended bearing life|Increased shaft seal

Description & Features

The Danfoss / Eaton Char-Lynn S Series Spool Geroler motor is engineered for demanding industrial applications in agricultural augers harvesters seeders and railroad maintenance equipment. Featuring an 18.20 cubic inch per revolution displacement with a 2 bolt mounting flange this motor ensures robust performance and reliability.

Designed to endure rigorous conditions the motor includes a 1-inch straight keyed shaft and 1/2 NPT ports. The compact yet powerful design integrates extended bearing life and increased shaft seal capabilities guaranteeing durability and efficiency.

To maximize motor life it is recommended to run the motor for approximately one hour at 30% of rated pressure before applying full load. The motor should be filled with fluid before any load applications.

Optimal performance can be maintained with the recommended use of premium quality anti-wear type hydraulic fluid and adhering to the ISO Cleanliness Code level 18/13 for filtration. The motor supports a maximum operating temperature of 180F and can withstand up to 1500 PSI case pressure.

MPN: 12

Supplier Part Number: 103-1031-012

Specifications

Application
Agricultural augers, Harvesters, Seeders, Railroad maintenance equipment
Design Code
12
Displacement
18.20
Displacement
18.2
Brand
Danfoss Power Solutions II (Char-Lynn)
Brand
Char-Lynn
Pack Size
1.00
UOM
EA
Features
Compact yet powerful|Extended bearing life|Increased shaft seal
Identification
None
Mount
2 Bolt
Mount
2 Bolt
Port Type
.500-14 NPTF Dryseal Pipe Thread Ports
Ports
1/2 NPT
Ports
1/2 NPT
Shaft
1 in. Straight Keyed
Shaft
1 in. Straight Keyed
Supplier Part Number
103-1031-012
Torque Rating
491 newton metre
Torque Rating
491 newton metre
Valve Options
None
Alternate Part Numbers
Alternate Part Number 103-1031-012, Alternate Part Number C1AG83, Alternate Part Number MINO-00162X02640
Product Weight
10.00 lbs

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Product Questions & Answers (1)

Question by: Sheila C on Mar 11, 2026, 2:25 PM
got a 2 bolt mount on my setup now. is this motor the 2 bolt flange style with a 1 inch straight keyed shaft?
Answer by: Customer Support on Mar 13, 2026, 1:19 PM
It matches that configuration. It uses a 2 bolt mounting flange and the shaft is a 1 inch straight keyed style.