Replacement Hydraulic Boom Swing Cylinder for Kubota (PN: RD118-67402) Excavator Models KX121-3, KX121-3S, KX121-3ST
$1,120.00
Specifications for 1024420472
| Category | Replacement Welded Hydraulic Cylinders » Excavator » Compact/Mini Excavator |
|---|---|
| Fits Manufacturer | Kubota Hydraulic Cylinders |
| Models | Kubota KX121-3, Kubota KX121-3S, Kubota KX121-3ST |
| Function | Boom Swing |
| Features | Double-Acting Rod Hydraulic Cylinder (DAR) |
| SKU | 1024420472 |
|---|---|
| Weight | 55 lbs |
| Bore | 80mm |
|---|---|
| Rod | 45mm |
| Stroke | 19.938″ |
| Closed | 31.14″ |
| Open Extended Length | 51.078″ |
| Operating Pressure (PSI) | 3000 |
| Base End Mount Type | Drilled Thru Lug |
| Base Pin Size | 1.782″ |
| Base Mount Width | 1.96″ |
| Rod End Mount Type | Drilled Thru Lug |
| Rod Pin Size | 1.782″ |
| Rod Mount Width | 1.95″ |
| Extend Port/Plunger | 1/4 BSPP 90D |
| Retract Port/Plunger | 1/4 BSPP 90D |
| Old OEM PNs | RD118-67400 |
Description
The Replacement Hydraulic Boom Swing Cylinder for Kubota KX121-3, KX121-3S and KX121-3ST excavators (OEM Part Number RD118-67402) gives smooth swing control and reliable boom movement. This double-acting welded rod hydraulic cylinder (hydraulic ram) meets OEM specs for a direct fit and long life in tough jobs.
It powers the boom swing function to give steady, precise force when moving the excavator’s arm. The rugged welded design resists wear and cuts maintenance downtime. It offers dependable control for digging, lifting or working in tight spaces.
FASTSHIP eligible—order by 12:00 PM CST for same-day shipping. Performance-Built and Warranty-Backed to keep your Kubota excavator productive and ready for work. Demolish Downtime.
80mm
45mm
19.938″
31.14″
51.078″
3000
Drilled Thru Lug
1.782″
1.96″
Drilled Thru Lug
1.782″
1.95″
1/4 BSPP 90D
1/4 BSPP 90D
RD118-67400
Returning Merchandise
New and un-used stock items maybe returned for refund within 30 days of purchase. No returns are accepted without prior authorization, call 888-771-1894 or email sales@hydrauliccylindersinc.com to receive a return authorization number. Make sure to properly package your item to avoid damage in transit. Hydraulic Cylinders Inc. is not responsible for any shipping charges or damages for the return of product to Hydraulic Cylinders Inc. It is the responsibility of the sender to provide for all shipping, handling, and insurance charges.

Warranty Coverage:
Hydraulic Cylinders Inc. warrants its Replacement Welded Rod Cylinders against defects in materials and workmanship for 12 months from the date of purchase.
Exclusions & Conditions:
- Disassembly voids warranty coverage.
- Misuse, misapplication, or unauthorized modification is not covered.
- HCI does not provide engineering guidance or warrant product fitness for any specific application.
- It is the customer’s responsibility to ensure product suitability and compliance with all regulations and application requirements.
Claims Process:
Contact Hydraulic Cylinders, Inc. directly to initiate a warranty review. Claims require return and evaluation of the product.
























































