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Cat hydraulic accumulators and hydraulic accumulator components help machines function by acting as a pressure and energy buffer: hydraulic accumlators store hydraulic energy by compressing nitrogen gas when system pressure is high, then release that stored energy when demand spikes or pressure drops, helping machines respond quickly and smoothly, stabilize pressure, absorb shocks, and maintain critical functions like braking and pilot controls even during short interruptions in pump flow or engine power.
What hydraulic accumulator parts and components does Cat offer?
Cat offers piston motors, piston pumps, gear pumps, hydraulic pumps, hydraulic service brake accumulators, accumulator assemblies, charging blocks, and many more accumulator components to fit the needs of both bladder accumulators and piston accumulators. Cat customers have many options for purchasing accumulator parts, including new and Cat Reman - all options are backed by the Caterpillar Limited Parts Warranty. Your local Cat dealer can help you identify the right fit and select the best hydraulic accumulator component options based on your budget and operating conditions.
What does a hydraulic accumulator actually do on heavy equipment?
A hydraulic accumulator stores pressurized hydraulic fluid and releases it on demand to supplement pump flow, absorb pressure spikes, and maintain system pressure when the pump is not running. On Cat equipment, accumulators are commonly used in braking systems, suspension circuits, and pilot pressure systems.
How do I know if my hydraulic accumulator needs to be replaced or just recharged?
Signs that an accumulator needs attention include slow or sluggish brake pedal feel, loss of implement control after engine shutdown, pressure gauge fluctuations, and system pressure dropping faster than normal when the pump is stopped.
What's the difference between a bladder accumulator and a piston accumulator?
Bladder accumulators use a flexible rubber bladder to separate gas and hydraulic fluid, providing fast response and effective shock absorption. Piston accumulators use a sliding piston to separate gas and fluid, offering greater durability and more precise control in high-pressure applications. The right choice depends on system requirements such as pressure range, response time, and application type.
Aksial Cat® Reman-stempelmotor med fast forskydning
Cat
Længde (tommer)
27,5
Højde (tommer)
20,0
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Højde (tommer)
7,0
Længde (tommer)
75,8
Material
Carbon Steel
Cat® Reman hydraulisk motor til styring, hejseværk og bremse i hydrauliktank
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Længde (tommer)
19,5
Højde (tommer)
10,75
Cat®-Reman-aksial stempelmotor med fast forskydning
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Længde (tommer)
14,0
Udvendig diameter (tommer)
11,0
Cat®-Reman-aksial stempelmotor med fast forskydning
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Længde (tommer)
29,5
Højde (tommer)
21,0
Klimaanlægsakkumulator
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Gevindstørrelse (tommer)
(2x) 1-1/16-16-2B UNF
Højde (tommer)
9,72
Diameter (tommer)
3,5
Længde (tommer)
10,0
Material
Carbon Steel
Cat Reman Double Axial Piston Pump (Variable Displacement)
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Cat®-akkumulator
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Arbejdstryk (kPa)
25.000,0
Kapacitet (gal)
7,66
Længde (tommer)
75,2
Cat Reman Double Axial Piston Pump (Variable Displacement)
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Højde (tommer)
13,0
Længde (tommer)
13,5
Klimaanlægsakkumulator
Cat
Gevindstørrelse (tommer)
(2x) 1-1/16-16-2B UNF
Højde (tommer)
9,87
Diameter (tommer)
3,5
Længde (tommer)
10,0
Material
Carbon Steel
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Højde (tommer)
7,0
Længde (tommer)
14,0
Material
Carbon Steel
Hydraulisk Cat®-bremseakkumulator på 39,64 liter
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Kapacitet (gal)
10,47
Længde (tommer)
59,98
Udvendig diameter (tommer)
8,78
Temperatur (°F)
-40° til 224.6°
Vægt (lb)
175,93
Material
Carbon Steel
Cat®-stempelmotor
Cat
Længde (tommer)
14,0
Udvendig diameter (tommer)
11,0
Aksial stempelpumpe med dobbelt variabel forskydning fra Cat® Reman
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Længde (tommer)
37,5
Højde (tommer)
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