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S Series Geroler Motor, 7.30 cu in/rev, 4 Bolt Mounting Flange, 1 in. Straight Keyed Shaft, 1/2 NPT Ports, Compact yet powerful|Extended bearing life|Increased shaft seal

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Description & Features

Designed for demanding industrial applications, the Eaton Char-Lynn S Series Geroler Motor offers a displacement of 7.30 cu in/rev, ensuring high performance in environments such as agricultural augers, food processing, machine tools, harvesters, and seeders. Its compact design is complemented by a 4-bolt mounting flange and a 1-inch straight keyed shaft, providing stability and ease of installation.

The motor features 1/2 NPT ports with .500-14 NPTF Dryseal Pipe Thread, supporting a maximum case pressure of 1500 PSI and an operating temperature up to 180°F. The extended bearing life and increased shaft seal enhance durability, while the recommendation for premium quality, anti-wear hydraulic fluids ensures optimal performance. Adhering to an ISO cleanliness code level of 18/13, the motor requires a break-in period at 30% rated pressure for longevity.

SKU: 103-1574

Supplier Part Number (MPN): 103-1574-012

Alternate Part Numbers: C1BN40

Specifications

Application
Agricultural augers, Food processing, Machine tools, Harvesters, Seeders
Design Code
12
Displacement
7.30
Displacement
7.3
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
4 Bolt
Mount
4 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
103-1574-012
Torque Rating
237 newton metre
Torque Rating
237 newton metre
Valve Options
None
Alternate Part Numbers
Alternate Part Number C1BN40
Product Weight
15.46 lbs

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Product Questions & Answers (1)

Question by: Shane F on Oct 11, 2025, 7:42 PM
been running a harvester setup and the current motor keeps giving out on me, got a 4 bolt flange mount and a 1 inch keyed shaft situation -- does this one match up?
Answer by: Customer Support on Oct 13, 2025, 7:59 AM
Four bolt mounting flange and a 1 inch straight keyed shaft are exactly what this motor carries, so from a fitment standpoint you're looking at a match on both counts. Ports are 1/2 NPT, which is worth confirming against your existing lines before you pull the trigger. The 7.30 cubic inch displacement will also affect your speed and torque output compared to whatever you're replacing, so make sure that lines up with what your harvester circuit is calling for.