Series 3-6-12 Steering Control Unit, Non-Load Reaction, 45.10 cu in/rev, 8-16 GPM Flow Range, 3/4-16 St.Thd O-Ring Ports, Can be used in a variety of applications|Flow rate variability|Varying maximum pressure ratings

Description & Features

Engineered for precision the steering control unit offers an optimal displacement of 45.1 cu in/rev and a versatile flow range between 8-16 GPM making it apt for various applications such as agricultural forestry construction turf care and industrial equipment. Its non-load reaction feature ensures smooth handling and consistent performance.

Equipped with 3/4-16 St.Thd O-Ring ports the unit is designed for durability and reliability. Integral valves are included to enhance the steering control mechanism while maintaining a maximum back pressure of 300 PSI. The unit also boasts a low torque shaft seal for reduced friction.

Recommended for use with most petroleum-based fluids and ATF Type A the unit is capable of withstanding a maximum system operating temperature of 200deg; F. The filtration level recommended is ISO 18/13 Cleanliness to ensure longevity and performance.

Supplier Part Number: 211-1179-002

MPN: 211-1179

Specifications

Brand
Char-Lynn®
Color
Black
Connection Type
UNF-2B, SAE O-ring
Design Code
2
grp Input Torque
25 to 35 lb-in at 100 psi Back Pressure For Powered Applications, 100 lb-ft Maximum For Non-Powered Applications
grp Recommended Filtration
ISO 18/13 Cleanliness Level
grp Recommended Fluids
Most Petroleum Based Fluids and ATF Type A
Identification
Eaton Product Number On Nameplate
Inlet Load Sense Valve Setting
0 B
Input Torque
Standard
Integral Valves
With Integral Valves
Load Circuit
Non-Load Reaction
Material
Ductile Iron
Mechanical Interface
Internal Involute Spline, 12-Tooth 16/32 DP 30 deg PA
Mounting Threads
2x 3/8-24 UNF-2B Port Face, 4x 3/8-16 UNC-2B Mounting Face
Ports
3/4-16 Straight Thread O-ring
Recommended Filtration Level
ISO 18/13 Cleanliness
Return Pressure Rating
10
Series
3/6/12 Series
Special Features
Low Torque Shaft Seal
Valve Options
Manual Steering Check Valve

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Product Questions & Answers (1)

Question by: Gene M on Oct 4, 2025, 8:44 PM
got a steering setup that don’t need load reaction, is this one the non-reaction style and what kind of machines does it fit?
Answer by: Customer Support on Oct 6, 2025, 11:55 AM
For systems that are set up as non-load reaction, this unit matches that load circuit and is commonly used across agricultural, forestry, construction, turf care, and general industrial equipment.

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