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S Series Geroler Motor, 4.60 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 applications such as agricultural augers harvesters seeders and railroad maintenance equipment. Featuring a 4.60 cu in/rev displacement and a 2-bolt mounting flange it ensures precision and reliability.

This compact yet powerful motor boasts an extended bearing life capable of withstanding a maximum case pressure of 1500 PSI and an operating temperature of up to 180F.

Its 1 in. straight keyed shaft and 1/2 NPT ports are designed for durability and consistent performance.

Recommended for use with premium quality anti-wear type hydraulic fluids the S Series Geroler Motor includes optimal filtration per ISO Cleanliness Code level 18/13.

To assure best motor life a recommended break-in procedure suggests running the motor for approximately one hour at 30% of rated pressure before application to full load.

MPN: C1AG78

Supplier Part Number: 103-1026-012

Specifications

Application Agricultural augers, Harvesters, Seeders, Railroad maintenance equipment	Design Code 12	Displacement 4.60	Displacement 4.6	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 103-1026-012	Torque Rating 111 newton metre	Torque Rating 111 newton metre	Valve Options None	Alternate Part Numbers Alternate Part Number 103-1026-012, Alternate Part Number C1AG78, Alternate Part Number MINO-00162X02620	Product Weight 15.50 lbs

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Model Number	Displacement	Mount	Shaft	Ports	Features
103-1040 S Series Geroler Motor	22.7	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
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103-1003 S Series Geroler Motor	5.7	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
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103-1005 S Series Geroler Motor	11.4	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1006 S Series Geroler Motor	13.7	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1007 S Series Geroler Motor	18.2	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1008 S Series Geroler Motor	22.7	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1011 S Series Geroler Motor	5.7	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1013 S Series Geroler Motor	11.4	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1014 S Series Geroler Motor	13.7	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1015 S Series Geroler Motor	18.2	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1016 S Series Geroler Motor	22.7	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1024 S Series Geroler Motor	22.7	4 Bolt	1 in. Straight Keyed	Manifold	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1026 S Series Geroler Motor	4.6	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1027 S Series Geroler Motor	5.7	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1028 S Series Geroler Motor	10.1	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1029 S Series Geroler Motor	11.4	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1030 S Series Geroler Motor	13.7	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1031 S Series Geroler Motor	18.2	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1032 S Series Geroler Motor	22.7	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1034 S Series Geroler Motor	4.6	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1035 S Series Geroler Motor	5.7	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1036 S Series Geroler Motor	10.1	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1037 S Series Geroler Motor	11.4	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1038 S Series Geroler Motor	13.7	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1039 S Series Geroler Motor	17.9	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1537 S Series Geroler Motor	3.6	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1538 S Series Geroler Motor	7.3	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1539 S Series Geroler Motor	8.8	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1540 S Series Geroler Motor	3.6	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1542 S Series Geroler Motor	8.8	2 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1570 S Series Geroler Motor	3.6	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1571 S Series Geroler Motor	7.3	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1572 S Series Geroler Motor	8.8	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1573 S Series Geroler Motor	3.6	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1574 S Series Geroler Motor	7.3	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-1575 S Series Geroler Motor	8.8	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-2006 S Series Geroler Motor	13.7	4 Bolt	1 in. Straight Keyed	1/2 NPT	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-2016 S Series Geroler Motor	22.7	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-2038 S Series Geroler Motor	13.7	2 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-3575 S Series Geroler Motor	5.7	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-3577 S Series Geroler Motor	11.4	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal
103-3581 S Series Geroler Motor	3.6	4 Bolt	1 in. Straight Keyed	7/8-14 St.Thd. O-Ring	Compact yet powerful\|Extended bearing life\|Increased shaft seal

Product Questions & Answers (2)

Question by: Phil M on Nov 25, 2025, 8:48 PM

does this motor need any kind of break-in before puttin it to full load, or can you just fire it up and go?

Answer by: Customer Support on Nov 27, 2025, 11:42 AM

Running it straight to full load right out of the gate isn't recommended. Eaton Char-Lynn calls for about an hour of operation at 30% of rated pressure before you put it under full load. Make sure the motor is filled with fluid before any load is applied at all. That break-in period helps seat everything properly and goes a long way toward getting the most life out of it.

Question by: Joyce G on Oct 8, 2025, 9:49 AM

Will this motor hold up okay on a grain auger?

Answer by: Customer Support on Oct 10, 2025, 6:11 AM

It's definitely suitable for that kind of work. This S Series Geroler motor is engineered for demanding applications like agricultural augers.

S Series Geroler Motor, 4.60 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

Specifications

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Product Questions & Answers (2)