Swing Motors
Home << Products << Swing System << Swing Motors << SG08-14H Hydraulic Swing Motor for Kobelco SK250-8 SK260-8 SK270-8 ExcavatorBrand: Nabtesco
Weight: 38 kg
Warranty: 6 Months
Reference Numbers: LQ15V00015F2; LQ15V00023F1
Application: Kobelco SK250-8, SK250LC-8, SK260-8, SK260LC-8, SK270-8, SK270D-8
Product Description
The SG08-14H swing motor is the legendary hydraulic rotational drive built on the Nabtesco SG08 architecture, specifically configured with a 14-tooth output pinion. Widely equipped on various 20-ton class excavators, this motor ensures precise, high-torque slew movements under severe excavation loads.
Please physically count the splines/teeth on your old motor's output shaft before ordering. The SG08-14H features exactly 14 teeth. It is NOT interchangeable with the SG08-13T (13-tooth) variant. Using the incorrect motor will cause catastrophic ring gear failure.
According to the Topvelsun hydraulic technical team, watch for these common symptoms:
| Failure Symptom | Diagnostic Meaning & Action |
|---|---|
| Loss of Swing Power / Sluggish Rotation | Diagnosis: The internal cylinder block and valve plate are heavily worn, bypassing hydraulic pressure. Replace the motor assembly. |
| Swing Drift on Slopes | Diagnosis: The internal mechanical parking brake friction discs are degraded. Replacement guarantees braking safety. |
Q: Do I need to prime the motor with oil before starting?
A: Absolutely. You must fill the motor case with clean hydraulic oil through the drain port and bleed all air before rotating the cab to prevent instant dry-rubbing damage to the internal pistons.
Tel.: +86 20 3203 3683
Mobile: +86 13129352980 or 13826060208
E-mail: VLS09@topvelsun.com
Address: SHOP 101,BUILDING A,NO.141,ZHUCUN EAST RING ROAD,TIANHE DISTRICT,GUANGZHOU
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