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278-8737: Solenoid Operated Hydraulic Pump Control Valve
Cat® Parts
https://parts.cat.com › catcorp › product
Cat® Parts
https://parts.cat.com › catcorp › product
This part is designed to fit your Cat equipment based on the manufacturer's specifications. Any changes to the manufacturer's configuration might result in the ...Read more
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Web results
Solenoid Pump 24v Cat
Amazon.com
https://www.amazon.com › solenoid-pump-24v-cat › k=...
Amazon.com
https://www.amazon.com › solenoid-pump-24v-cat › k=...
FridayParts 24V Hydraulic Main Pump Solenoid Valve 139-3990 5I-8368 Compatible for Caterpillar CAT Engine 3406 3306 3406B 3054 Exacavator 311 312 315 317 320Â ...Read more
 store rating (11K)30-day returns
OEM Cat Hydraulic Pump Solenoid Valve Caterpillar Main ...
xiamen doolin machinery co ltd
https://www.doolincm.com › cat-hydraulic-pump-solenoi...
xiamen doolin machinery co ltd
https://www.doolincm.com › cat-hydraulic-pump-solenoi...
The Cat excavator pump and proportional solenoid valve are crucial components of the excavator's hydraulic system. The pump is responsible for generating ...Read more
People also ask
How to tell if a solenoid is bad on a hydraulic pump?
Here's what to look for:
- Visual Inspection: Remove the coil cover cap and check for cracks, discoloration, or other visible damage.
- Wire Condition: Look for brittle or cracked coil wires and wires going to the coil terminals. Damaged wires can lead to direct shorts where exposed wires touch and create electrical faults.
May 27, 2025
Troubleshooting Hydraulic Solenoid Valves - All World Machinery
All World Machinery
https://www.allworldmachinery.com › blog › hydraulic-v...
All World Machinery
https://www.allworldmachinery.com › blog › hydraulic-v...
What happens when a solenoid valve goes bad?
A solenoid valve should seamlessly switch between open and closed states. However, when it begins to fail, it may get stuck in either position, leading to: Continuous fluid or gas flow (stuck open), causing wastage and inefficiencies. Blocked or reduced flow (stuck closed), which can halt system operations.Feb 21, 2025
5 Critical Factors to Consider When a Solenoid Valve Goes Bad
BLCH Pneumatic
https://www.blpneumatic.com › news › what-happens-wh...
BLCH Pneumatic
https://www.blpneumatic.com › news › what-happens-wh...
How to adjust pressure in solenoid valve?
2:54
5:39
Remember the manual open stem must be fully closed for the valve to work properly. Type B or DMoreRemember the manual open stem must be fully closed for the valve to work properly. Type B or D valves that are designated with the letter L can also be adjusted for flow.
How Do You Properly Install and Adjust a Solenoid Valve? - YouTube
YouTube
https://www.youtube.com · HVH Industrial Solutions
YouTube
https://www.youtube.com · HVH Industrial Solutions
What does a hydraulic solenoid look like?
0:41
4:41
When we energize the solenoid coil on the left side of the valve. An electromagnetic field isMoreWhen we energize the solenoid coil on the left side of the valve. An electromagnetic field is created the field pulls the armature. In towards the center of the winding.
Valve Solenoid Basics - YouTube
YouTube
https://www.youtube.com · LunchBox Sessions
YouTube
https://www.youtube.com · LunchBox Sessions
Web results
For Caterpillar cat Hydraulic Pump Solenoid Valve 627- ...
eBay
https://www.ebay.com › itm
eBay
https://www.ebay.com › itm
For Caterpillar cat Hydraulic Pump Solenoid Valve 627-2304 6272304 Excavator ; Condition. New ; Time left. 17d 22h17 days 22 hours ; Quantity. 2 available ; Item ...Read more
$104.48In stock$4.80 delivery
Web results
Cat-Caterpillar Excavator Rotary Solenoid Valves
Finotek
https://www.finotek.com › Cat Excavator Valves
Finotek
https://www.finotek.com › Cat Excavator Valves
Oct 13, 2025 — Cat- Caterpillar Rotary Solenoid Valve is used for hydraulic block unit for rotating the travelling mechanism in the excavator.Read more
Hydraulic Main Pump Solenoid Valve 139-3990 5I-8368 ...
FridayParts
https://www.fridayparts.com › hydraulic-main-pump-sol...
FridayParts
https://www.fridayparts.com › hydraulic-main-pump-sol...
Voltage: 24 VDC. Connector Type: 2-position circular. Wire Length: 350 mm (13.7 in). Rated Supply Pressure: 4900 kPa. Rated Control Flow: 2 L/min.Read more
$67.72In stockFree delivery90-day returns
Hydraulic pump solenoid valve CAT 320 1393390
EXCAVATOR PARTS ONLINE
https://excavators-parts.com › hydraulic-pump-solenoid-...
EXCAVATOR PARTS ONLINE
https://excavators-parts.com › hydraulic-pump-solenoid-...
Hydraulic pump solenoid valve for CAT 320 1393390. For machines: CAT - CATERPILLAR. SKU: 139-3390. Manufacturer part number: 139-3390 1393390.Read more
€223.1014-day returns