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6668765 BICS Pilot Operated Valve for Bobcat Skid Steer & Track Loader
Product Overview
This 6668765 pilot operated valve is a key hydraulic control component for Bobcat skid steer loaders and compact track loaders. It belongs to the BICS (Bobcat Interlock Control System) safety valve group. When the operator is seated and releases the safety armrest, the ECM energizes this valve to permit main pilot hydraulic oil flow, unlocking lift, tilt and drive hydraulic functions of the whole machine. Our replacement valve assembly meets the fitment and hydraulic performance requirements to fix BICS interlock lock-up issues. This is an older part number, superseded by the updated OEM part 6689739.
Key Specifications
| Item | Details |
|---|---|
| OEM Number | 6668765 |
| Part Type | VALVE, pilot operated |
| Superseded Part Number | 6689739 |
| Structure | Complete control valve assembly with 2 internal oil ports, built-in pilot spool, works with solenoid coil and control valve rod on valve block |
| Condition | New Aftermarket |
| MOQ | contact us |
Compatible Models
- Classic Older Skid Steers: 463, 653, 751, 753, 763, 773, 863, 864, 873, 883, 963
- Mid & Late S Series: S70, S100, S130, S150, S160, S175, S185, S205, S220, S250, S300, S330, S630, S650, S750, S770, S850
- T Series Track Loaders: T110, T140, T180, T190, T200, T250, T300, T320, T630, T650, T750, T770, T870
- A Series All-Wheel Steer Loaders: A220, A300, A770
FAQs
Q: What is the function of the 6668765 BICS pilot valve?
A: It is the safety interlock valve for Bobcat BICS system. It controls pilot hydraulic oil passage. Once the safety armrest is released, the ECM activates this valve to unlock boom, bucket and drive hydraulic operations for the loader.
Q: What are the typical failure symptoms of this BICS valve?
A: Damaged valve or matched solenoid coil (open circuit, dirt clogging, broken spring) triggers BICS lock-up. Engine starts normally but all hydraulics stop working; BICS warning light flashes or stays off, boom and bucket cannot move after releasing armrest. The machine also logs fault codes related to BICS lock valve circuit abnormality or low current.
Q: Can 6668765 replace 6689739?
A: 6668765 is the old part number and it has been upgraded to 6689739. It can serve as a replacement for the listed Bobcat machines. Please verify your original part number and machine model before purchase.
Q: What installation tips should I follow?
A: Clean hydraulic oil passages thoroughly before installation to avoid debris blocking the spool. Check the matching solenoid coil and wiring harness at the same time, professional hydraulic service is recommended.
6668765-pilot-operated-valve
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