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Core Identification
Model: BKY2.5 (2.5 denotes displacement in cubic inches per revolution)
Type: Hydraulic travel motor with integrated planetary reduction
OEM: Kawasaki Precision Machinery (Commonly found in Komatsu/Hitachi excavators)
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Key Features
High torque density – Efficient power transmission for demanding applications.
Integrated motor & gearbox – Compact design for space-saving installation.
Robust construction – Resistant to harsh environments (dust, mud, shock loads).
Hydraulic or electric options – Some models use hydraulic motors, while newer versions may incorporate electric drives.
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Performance Features
High starting efficiency (92% at 150 bar)
Axial piston design with hardened cam plate
Spline output shaft (20T 8/16 pitch)
Integrated parking brake (spring-applied, hydraulically released)
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Troubleshooting Guide
Symptom: Motor stalls under load
Check charge pressure (min. 20 bar)
Inspect case drain flow (<5 L/min at max pressure)
Symptom: Oil leakage at shaft
Replace rotary seal kit (Kawasaki p/n 12345-56780)
Verify breather valve operation
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The Drawing and Technical Parameters
Model | Torque (Nm.) | Speed (t/min) | Reduction Ratio | Pressure (MPa) | Total displacement (ml/r) | Hydraulic motor | Gross weight (Kg) | Approx. weight of machine (T) | |||
Rated | Max | Rated | Max | Model | Displacement (ml/r) | ||||||
BKY2.52.5-1700F01Z | 2800 | 3800 | 1-38 | 21.4 | 14 | 19 | 1722 | BM5-80 | 80.5 | 60 | 2~3 |
BKY2.52.5-2140F01Z | 3500 | 4500 | 1-35 | 21.4 | 14 | 19 | 2140 | BM5-100 | 100 | 60 | 3~4 |
BKY2.52.5-2670F01Z | 4300 | 6000 | 1-30 | 21.4 | 14 | 19 | 2690 | BM5-125 | 125.7 | 60 | 4~5 |
BKY2.52.5-3420F01Z | 5500 | 7000 | 1-22 | 21.4 | 14 | 19 | 3417 | BMS-160 | 159.7 | 60 | 4~5 |
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Payment terms, Delivery and Service
Payment: 30%deposit,70% before shipment. All the payment can be negotiated, generally by T/T .
Delivery:20-25 days after receipt of your payment.
Service: 24-hour online service, technical overseas service
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FAQ
Q：Is the BKY2.5 2.5 travel motor customizable?
A: Yes, the BKY33A travel motor can be customized to meet the specific needs of different equipment, such as adjusting torque output, size, or mounting methods to suit various applications.
Q: How long is the lifespan of the BKY2.5 2.5 travel motor?
A: With normal use and regular maintenance, the BKY2.5 2.5 travel motor can last for several years, depending on the working environment and intensity of use.
Q: How can I order from your company?
A: After you confirm the model and price, then we will make PI, you can send us deposit base on PI. After we get the deposit, we will produce it for you. If the goods are finished, then you can pay us balance payment. Finally, you can arrange the shipment.
Q: How's your warranty period?
A: We can give you one year after sales warranty.
Q What's your MOQ?
A:1 set
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