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CHAR-LYNN MTR 4.5

Description & Features

Designed for demanding agricultural and industrial applications, the Char-Lynn MTR 4.5 is a cast iron, low-speed Geroler hydraulic motor built around the Eaton Char-Lynn S Series platform. It delivers up to 150 Nm of torque and supports flow rates to 57 litres per minute, making it well suited for use in harvesters, seeders, agricultural augers, food processing equipment, and machine tools.

Extended bearing life and an increased shaft seal capacity contribute to reliable performance in heavy-use environments. The compact form factor allows for straightforward integration where space is limited, without sacrificing output capability.

SKU: 103-1010

Supplier Part Number (MPN): 103-1010-012

Alternate Part Numbers: C1AG74

Specifications

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 4.24 in H	Frame Size 75	Housing Material Iron	Mounting Type 4-Bolt Square 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 UNF-2B, SAE O-ring	Seal Material NBR	Segment Code A	Series S Series	Shaft Size 1 in Dia	Shaft Type Straight Woodruff Keyed	Valve Type Spool

Product Questions & Answers (2)

Question by: Harvey T on Oct 4, 2025, 12:24 PM

Got a harvester that keeps chewing through motors, would this Char-Lynn 4.5 hold up better than what I been running?

Answer by: Customer Support on Oct 6, 2025, 6:35 AM

Cast iron construction and extended bearing life are built into this unit, so it does handle demanding harvest conditions better than lighter-duty alternatives. The S Series Spool Geroler design is rated to 150 newton metres of torque, which gives it real staying power under load. For harvester applications specifically, it's listed as a supported use case, so you're not pushing it outside its intended range.

Question by: Rod S on Feb 2, 2026, 11:37 AM

got an auger setup that doesn’t have a lot of room, is this motor more on the compact side or is it a big ol unit

Answer by: Customer Support on Feb 3, 2026, 9:51 PM

For tight installs, this one is built as a compact yet powerful Char-Lynn S Series spool geroler motor, so it’s aimed at applications where space is limited but you still need usable torque.

CHAR-LYNN MTR 4.5

Description & Features

Specifications

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Product Questions & Answers (2)