Swing Gearbox for Excavator Volvo VOL60 — Replacement Unit
What Is a Slewing Gearbox — and What Does It Do in an Excavator?
A slewing gearbox — also called a swing gearbox or swing reduction gearbox — is the planetary gear unit that sits between the hydraulic swing motor and the slew ring on an excavator's upper structure. The hydraulic swing motor spins at high speed and relatively low torque. The slewing gearbox reduces that speed and multiplies the torque — at a fixed gear ratio — to produce the slow, high-force rotation that swings the upper structure around the undercarriage. Without a correctly functioning slewing gearbox, the excavator's swing function is completely lost: the motor may run, but the upper structure does not rotate.
The output pinion of the slewing gearbox meshes directly with the slew ring gear teeth on the undercarriage frame. The pinion-to-ring gear interface is critical — the output pinion tooth module must match the slew ring exactly. This is why confirming the correct gearbox variant (via serial number) before ordering is essential: an externally similar gearbox with a different output pinion module will mesh incorrectly with the ring gear and destroy both components within 100 operating hours.
Compatibility & Parameters — Volvo VOL60
Our slewing gearbox is compatible with the Volvo VOL60 excavator. Before purchasing, confirm the following parameters from your machine's existing gearbox nameplate or service documentation:
| Parameter | Description |
|---|---|
| Excavator Model | Volvo VOL60 (EC60 / EC60C / EC60E / EC50) |
| Swing Gearbox Ratio | 7.8 — confirm from nameplate before ordering |
| Rated Torque | 12,000 Nm — confirm from nameplate before ordering |
Send your machine serial number for written confirmation within 4 hours. Parameters above are reference values — always verify from the existing unit nameplate before placing an order.
Compatible Models & Cross-Reference
| Brand | Verify By | |
|---|---|---|
| Volvo | Serial no. | |
| Hitachi | ⚠ Verify | |
| CAT / Caterpillar | ⚠ Verify | |
| Komatsu | ⚠ Verify |
Brand names used for cross-reference only. We do not sell OEM products from these brands.
5 Reasons to Choose This EC60 Swing Drive Gearbox
Serial-Confirmed Match
We cross-reference your EC60 serial number against our dimensional database before confirming the order. EC60C and EC60E variants carry the same gearbox but different motor interfaces — confirmed before dispatch.
Case-Hardened Alloy Gears Throughout
All internal gears manufactured from high-strength alloy steel, case-hardened to 58–62 HRC. Planet gears run on case-hardened needle roller pins with oval tooth profile for uniform load distribution.
Signed Test Certificate Per Unit
Every unit bench-tested to rated torque before shipment. Signed certificate included — required for site audits and ISO procurement requirements. Not a batch certificate.
Ductile Iron Housing — Steel Option on Request
Standard housing is ductile iron for strength and rigidity. Steel housing available on request for severe-environment applications. Both options maintain dimensional interchangeability with the OEM unit.
MOQ 1 · Air Freight Available
Single-unit orders accepted. Emergency air freight 5–8 days to Canada, Australia, and Europe for machine-down situations. Sea freight 18–35 days for planned maintenance orders.
Frequently Asked Questions
Customer Reviews
"Ordered a VOL60 swing gearbox for our fleet of EC60C machines in Quebec. Sent serial numbers for three units and had dimensional drawings back within 6 hours. All three gearboxes arrived correct, tested, and with certificates. Our fitter installed the first one in under 3 hours. We ordered two more the following month."
"My EC60 stopped swinging on a Tuesday. I panicked briefly, then ordered this gearbox. It arrived Friday. I installed it Saturday. Monday my machine was swinging again and I was back to digging. My wife asked why I was in such a good mood. I said 'planetary gears.' She did not follow up. Gearbox has been running 1,100 hours since. I have no complaints."
Frequently Ordered Together
The EC60 swing motor mounts directly to the VOL60 gearbox input flange. Order together to confirm the SAE flange interface before manufacture — eliminates the most common installation mismatch.
Input and output shaft seals for the SM60-5M gearbox. Order alongside the replacement gearbox for complete installation — avoids a second parts order if the shaft seal requires replacement during installation.
Order Your Volvo VOL60 Swing Gearbox — 24-Hour Response
Send your EC60 serial number, generation (EC60 / EC60C / EC60E), and shipping destination. Confirmed variant, dimensional drawing, price, and lead time within 24 hours. MOQ 1 unit.
✓ Air Freight 5–8 Days
✓ 100% Load-Tested · MOQ 1
📧 [email protected] · Canada Planetary Gear Drive Co., Ltd
Related Searches
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