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Series 3-6-12 Steering Control Unit, Non-Load Reaction, 4.50 cu in/rev, 4-8 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 Series 3-6-12 Steering Control Unit is ideal for agricultural forestry construction turf care and industrial equipment. This non-load reaction device offers a displacement of 4.50 cu in/rev and supports a flow range of 4-8 GPM. Featuring 3/4-16 St.Thd O-Ring ports it accommodates various fluid applications maintaining a consistent performance level.

This steering control unit is engineered with integral valves and an internal involute spline 12-tooth 16/32 DP 30-degree PA mechanical interface. With a mounting configuration of 2x .375-24 UNF-2B port face and 4x .375-16 UNC-2B mounting face it ensures a secure fit within diverse machinery setups.

Constructed by Danfoss - Hydraulics this unit stands out due to its variability in maximum pressure ratings and flow rate. It operates smoothly with a maximum inlet pressure rating of 172 PSI and a back pressure limit of 300 PSI. The input torque ranges between 25-35 lb-in at 100 PSI back pressure for powered applications reaching a maximum of 100 lb-ft for non-powered setups.

Recommended for use with most petroleum-based fluids and ATF Type A the unit maintains an optimal temperature range of up to 200deg;F and a filtration level of ISO 18/13 cleanliness.

MPN: C1BC12

Supplier Part Number: 211-1007-002

Specifications

Additional Ports
None
Application
Agricultural Equipment, Forestry Equipment, Construction Equipment, Turf Care Equipment, Industrial Equipment
Design Code
2
Displacement
4.50
Displacement
4.5
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
4-8
Flow Rate1
23 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
None
Supplier Part Number
211-1007-002
Valve Options
Manual Steering Check Valve
Product Weight
11.01 lbs
Alternate Part Numbers
Alternate Part Number 211-1007-002, Alternate Part Number C1BC12, Alternate Part Number MINO-00162X04640

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Product Questions & Answers (2)

Question by: Roy P on Sep 18, 2025, 8:53 PM
got a tractor with a non reaction steering setup. is this unit the right style, or is it one of them load reaction ones
Answer by: Customer Support on Sep 20, 2025, 9:58 AM
Non load reaction is the steering circuit type on this unit, so it matches a non reaction setup. It is a Series 3-6-12 steering control unit with 4.50 cu in per rev displacement and integral valves.
Question by: Merle W on Oct 20, 2025, 9:18 AM
got a older tractor with a busted steering unit and this looks like it might be the right swap, it running on petroleum fluid okay or do I need something special?
Answer by: Customer Support on Oct 21, 2025, 3:49 PM
Petroleum-based fluids work fine with this unit, and ATF Type A is also on the approved list. As long as your system stays under 200 degrees F and you're running clean fluid at an ISO 18/13 cleanliness level, you're in good shape. One thing worth knowing is that the system temperature and the steering unit temperature shouldn't differ by more than 50 degrees F, so if your tractor runs hot, make sure the fluid circulating through the unit is reasonably close to system temp before you put it under load.