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J Series Geroler Motor, 1.21 cu in/rev, 5 Bolt 1/4-28UNF Mounting Flange, 5/8 in. Straight Keyed Shaft, 9/16-18 St.Thd. O-Ring Side Ports Ports, Compact yet powerful|Extended bearing life|Increased shaft seal

Application Agricultural augers, Harvesters, Seeders, Marine bow thrusters, Food processing	Design Code 2	Displacement 1.21	Displacement 1.21	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 5 Bolt 1/4-28UNF	Mount 5 Bolt 1/4-28UNF	Port Type .5625-18 UNF-2B SAE O-Ring Ports Side Ports	Ports 9/16-18 St.Thd. O-Ring Side Ports	Ports 9/16-18 St.Thd. O-Ring Side Ports	Shaft 5/8 in. Straight Keyed	Shaft 5/8 in. Straight Keyed	Supplier Part Number 129-0019-002	Torque Rating 38 newton metre	Torque Rating 38 newton metre	Valve Options None	Alternate Part Numbers Alternate Part Number 129-0019-002, Alternate Part Number C1JX28	Product Weight 5.10 lbs

Product Questions & Answers 1

Product Questions & Answers

got a setup that runs some back pressure, when do i need to bother with a case drain line on this motor?

Question by: Harvey E on May 9, 2025, 7:35 AM

If you are going to see continuous back pressure over 1100 PSI, plan on running an external case drain line. Set it up so the motor case stays full of oil at all times.

Answer by: Customer Support on May 11, 2025, 6:37 AM

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Model Number	Displacement	Mount	Shaft	Ports	Features
129-0004	1.93	5 Bolt 1/4-28UNF	5/8 in. Straight Keyed	9/16-18 St.Thd. O-Ring End Ports	Compact yet powerful\|Extended bearing life\|Increased shaft seal
129-0018	0.79	5 Bolt 1/4-28UNF	5/8 in. Straight Keyed	9/16-18 St.Thd. O-Ring Side Ports	Compact yet powerful\|Extended bearing life\|Increased shaft seal
129-0019	1.21	5 Bolt 1/4-28UNF	5/8 in. Straight Keyed	9/16-18 St.Thd. O-Ring Side Ports	Compact yet powerful\|Extended bearing life\|Increased shaft seal
129-0020	1.93	5 Bolt 1/4-28UNF	5/8 in. Straight Keyed	9/16-18 St.Thd. O-Ring Side Ports	Compact yet powerful\|Extended bearing life\|Increased shaft seal