CATBrake Parts

1597156 Motor Gp- Piston — Cat 330B D6H XL

This is a piston motor group, a key component in hydraulic systems responsible for converting hydraulic pressure into mechanical rotational force. It is engineered for precise tolerances and durability, ensuring efficient power transfer unlike a worn motor with internal leakage. Operators may notice a loss of power, sluggish hydraulic functions, or unusual noises from the hydraulic system when this piston motor group is failing.

Motor Gp- Piston – Part No 1597156 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBrake Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

M IST.', };

Related CAT Parts

From the same category — may also be needed

246-2641
Brake Component
5t6605
Cylinder Kit
9r2477
Disc As
5s-7830
Clutch Disc
1981137
Disc-Friction
5t6522
Cylinder G

Browse all CAT Brake Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Always replace brakes in axle sets. Bed-in new brake pads with 8–10 moderate stops from 40 km/h. Check disc runout with a dial gauge — maximum 0.1 mm. Inspect caliper slides and pistons when replacing pads.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypePiston Motor Group
MaterialHardened steel and aluminum alloy
ApplicationHydraulic power transmission
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing piston motor group include a noticeable decrease in hydraulic system speed and power. If ignored, the motor may begin to overheat, generate excessive noise, or develop external leaks, leading to a significant loss of operational capability. The primary risk is the inability to perform essential tasks or control the equipment effectively.

Installation Tip

Ensure the hydraulic system is properly flushed and clean before installing the new motor group to prevent contamination. Do not overtighten mounting bolts, as this can distort the housing and cause internal damage.

Service Note

Inspect hydraulic filters, hoses, and fluid for signs of contamination or wear, and check the hydraulic pump for proper operation.