25879398
DRIVING MOTOR ASSY
The DRIVING MOTOR ASSY, part number 258 793 98, is a complete hydraulic motor assembly for the rock drill's rotation unit. It provides the essential torque and speed to spin the drill string, ensuring efficient and consistent penetration into the rock face.
Description
258 793 98 DRIVING MOTOR ASSY This hydraulic motor assembly is the powerhouse of the drifter's rotation unit. It converts hydraulic fluid flow and pressure into the rotational force needed to turn the drill steel. Located directly on the rock drill…
Full Technical Description
258 793 98 DRIVING MOTOR ASSY This hydraulic motor assembly is the powerhouse of the drifter's rotation unit. It converts hydraulic fluid flow and pressure into the rotational force needed to turn the drill steel. Located directly on the rock drill, its performance is fundamental to the entire drilling cycle, dictating how effectively the drill bit cuts and fractures the rock.
Consistent torque and speed from the motor are critical for maintaining high penetration rates and preventing the drill string from getting stuck. A worn or failing motor can lead to a sudden loss of rotation, which not only stops production but can also create a hazardous situation if the drill string jams under pressure. Its internal condition directly impacts the overall efficiency and reliability of the rig's hydraulic system.
Symptoms of a failing motor include a noticeable drop in rotation speed, whining noises during operation, or external oil leaks around the shaft or housing. If the motor feels sluggish or overheats, it's a clear sign of internal wear. Timely replacement prevents catastrophic failure and protects other hydraulic components from contamination.
Applications
- Underground drilling jumbos
- Mining and tunneling
- Hydraulic control systems
- Rock drilling spare parts
Specifications
| Brand | Sandvik |
|---|---|
| Machine Type | RANGER 500-2 |
| Assembly | TRACK ASSEMBLY R.H |
Used on machines
Brand
All Sandvik partsRelated parts

DRIVING MOTOR ASSY
25879397
Similar part

DRIVING GEAR
25879678
Similar part

DRIVING CONTR.COVER
88663329
Similar part

DRIVING CONTR. COVER
88656049
Similar part
DRIVING MOTOR ASSY L.H
25836487
Similar part
DRIVING MOTOR ASSY R.H
25836488
Similar part

DRIVING PRING ASSY
31308758
Similar part

DRIVING VALVE
14496758
Similar part
Customer Reviews
No reviews yet.
Reviews come from verified buyers: customers whose quotation for this part was accepted.
How to get DRIVING MOTOR ASSY 25879398
Jumbosan supplies DRIVING MOTOR ASSY 25879398. Choose the way that suits you.
Send a quote request form
Fill in the short form with the quantity and your company details. We reply with availability and lead time.
Contact us by email
Email [email protected] with the part number and the quantity you need.
Message us on WhatsApp
Send the part number to +90 543 279 89 81 on WhatsApp and a salesperson replies in the chat.
Send your list to the AI quote page
Upload a PDF, photo or spreadsheet of part numbers. The AI reads it and builds the request for you, which suits long lists.
