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CHAR-LYNN MOTOR 4.5 /REV

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Description & Features

Designed for demanding hydraulic drive applications, the Char-Lynn Motor 4.5 /Rev is an Eaton Char-Lynn S Series Spool Geroler motor built around a low-speed Gerotor/Geroler displacement principle. Cast iron construction gives it the durability needed in continuous-duty environments such as agricultural augers, harvesters, seeders, food processing equipment, and machine tools.

With a torque rating of 150 Newton metres and a flow rate capacity of 57 litres per minute, this motor delivers reliable rotational output within a compact footprint. Extended bearing life and an increased shaft seal rating contribute to long service intervals in field and production settings. The 4.24-inch width keeps the envelope manageable for equipment where mounting space is a consideration.

SKU: 103-1074

Supplier Part Number (MPN): 103-1074-012

Specifications

Brand
Danfoss
Bearing Type
Hydrodynamic Journal
Check Valve Function
Without Check Valve Function
Color
Black
Design Code
12
Dimensions
6.52 in L x 4.24 in W x 5.27 in H
Frame Size
75
Housing Material
Iron
Mounting Type
2-Bolt Flanged
Orbital Gearwheel Set
Standard
Orbital Gearwheel Set Type
Geroler
Paint Information
Low Gloss Black Primer
Painted
With Painted
Port Location
Side, Aligned
Port Type
NPTF
Seal Material
NBR
Series
S Series
Shaft Size
1 in Dia
Shaft Type
Splined
Valve Type
Spool

Product Questions & Answers (3)

Question by: Brenda M on May 3, 2025, 2:40 PM
got a harvester that chews through motors and i'm tryin to figure out if this one's built to last any better than what i been runnin
Answer by: Customer Support on May 4, 2025, 7:14 PM
Cast iron construction and an extended bearing life design give this motor a real edge in demanding harvest conditions. The shaft seal is also reinforced compared to standard builds, which matters a lot when you're dealing with the kind of debris and stress that harvesting throws at a motor. For ag applications like harvesters, this series was specifically called out as a fit, so you're not forcing it into a role it wasn't built for.
Question by: Sherry W on Aug 13, 2025, 7:14 PM
Hey, I'm looking at using this motor on a seeder. Will it work alright for that?
Answer by: Customer Support on Aug 15, 2025, 7:10 PM
Given its application for seeders, this Char-Lynn motor should work well. It's also applicable for agricultural augers, food processing, and machine tools.
Question by: Travis R on Oct 9, 2025, 8:05 AM
got an auger that needs a low-speed motor, is this one meant for that kind of work?
Answer by: Customer Support on Oct 11, 2025, 6:36 AM
For agricultural augers and similar low-speed hydraulic drives, this Char-Lynn S Series spool geroler motor is a common fit. The listed applications also include harvesters, seeders, food processing equipment, and machine tools.

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