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Series 3-6-12 Steering Control Unit, Non-Load Reaction, 29.70 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

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Description & Features

The Danfoss / Eaton Series 3 6 and 12 Steering Control Units provide a robust solution for agricultural forestry construction turf care and industrial equipment.

Featuring a displacement of 29.7 cu in/rev and a flow range of 8-16 GPM these units deliver reliable performance with standard input torque. The 3/4-16 St.Thd O-Ring ports ensure secure connections and the units' non-load reaction design enhances efficiency. They include integral valves and a low-torque shaft seal optimizing fluid management and reducing maintenance.

The maximum system operating temperature is 200deg; F while the filtration level meets ISO 18/13 standards for cleanliness. These units are compatible with most petroleum-based fluids and ATF Type A ensuring versatility across various applications.

With a maximum back pressure of 300 PSI and return pressure rating of 10 PSI they are built to handle demanding environments. The internal involute spline with 12-tooth configuration supports durable mechanical interfaces.

Supplier Part Number: 211-1178-002

Catalog Number: C1BC22

Specifications

Additional Ports
None
Application
Agricultural Equipment, Forestry Equipment, Construction Equipment, Turf Care Equipment, Industrial Equipment
Design Code
2
Displacement
29.70
Displacement
29.7
Brand
Danfoss – Hydraulics
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Features
Can be used in a variety of applications|Flow rate variability|Varying maximum pressure ratings
Flow Amplification
None
Flow Range
8-16
Flow Rate1
45 LPM
Identification
Eaton Product Number On Nameplate
Inlet Load Sense Valve Sett
0 b
Inlet Pressure Rating
172
Input Torque
Standard
Integral Valves
Yes
Load Circuit
Non Reaction
Maximum Back Pressure
21
Mechanical Interface
Internal Involute Spline, 12 Tooth 16/32 Dp 30 Degree Pa
Mounting Threads
2X .375-24 UNF-2B Port Face 4X .375-16 UNC-2B Mounting Face
Ports
3/4-16 St.Thd O-Ring
Ports
3/4-16 St.Thd O-Ring
Recommended Filtration Level
ISO 18/13 Cleanliness
Return Pressure Rating
10
Special Features
Low Torque Shaft Seal
Supplier Part Number
211-1178-002
Valve Options
Manual Steering Check Valve
Product Weight
75.00 lbs
Alternate Part Numbers
Alternate Part Number 211-1039, Alternate Part Number 211-1178-002, Alternate Part Number C1BC22, Alternate Part Number MINO-00162X04689

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Product Questions & Answers (1)

Question by: Pete H on Jan 1, 2026, 8:14 PM
got a tractor with hydro steering. what kinda flow does this steering unit want to see?
Answer by: Customer Support on Jan 3, 2026, 6:33 AM
For flow, it is set up for an 8 to 16 GPM range, which is also listed as 45 LPM. That keeps it in the window the unit is meant to run in for normal steering performance.

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