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KUBOTA KX41-3 U17 U17-3a U15 U15-3 Swing Motor Device RG138-61280 RB238-61280 Eaton 2-200DOS-E3888 104-6473-005 104-6485-005 For Mini Excavator Original Parts
KUBOTA KX41-2 excavator swing motor
,excavator rotary device spare parts
,swing motor assembly with warranty
| # | Part No. | Description | Qty |
|---|---|---|---|
| 010 | RB238-61280 | ASSY MOTOR,SWIVEL | 1 |
| 020 | RB238-90040 | ASSY GEAR | 1 |
| 030 | RP201-71040 | BEARING,BALL | 1 |
| 040 | RB101-69140 | BEARING,BALL | 1 |
| 050 | RB101-69150 | PLUG | 1 |
| 055 | RB238-90210 | RING(X) | 1 |
| 060 | RB101-69170 | RETAINER | 1 |
| 065 | 68311-69240 | O RING | 1 |
| 066 | RB101-69310 | SEAL | 1 |
| 070 | RP201-71080 | PLATE | 1 |
| 075 | 68311-69240 | O RING | 2 |
| 080 | RP201-71090 | PLATE,VALVE | 1 |
| 085 | 68311-69260 | O RING | 1 |
| 090 | RA211-90310 | VALVE | 1 |
| 100 | RP201-71120 | PLAT | 1 |
| 110 | 68311-69290 | SPRING | 2 |
| 115 | 68311-69310 | SEAL | 1 |
| 120 | 68311-69320 | PIN | 2 |
| 125 | 68311-69330 | SEAL | 1 |
| 130 | RA211-90320 | DRIVE | 1 |
| 140 | RB238-90020 | GEAR,ROLLER | 1 |
| 150 | 68311-69360 | VALVE,DRIVE | 1 |
| 155 | 68311-69370 | O RING | 3 |
| 160 | RB238-90030 | ASSY VALVE | 1 |
| 170 | RC101-69380 | BALL | 2 |
| 180 | RC101-69390 | PLUG | 2 |
| 185 | RC101-69410 | O RING | 2 |
| 190 | RC101-69440 | SPRING | 2 |
| 200 | RC101-69430 | PLUG | 3 |
| 210 | RB238-90220 | ORING | 2 |
| 220 | RB238-90230 | ORING | 2 |
| 230 | RB238-90240 | ORING | 2 |
| 240 | RB238-90250 | ORING | 2 |
| 250 | RB101-69380 | BOLT | 4 |
| 260 | 01133-51440 | BOLT,SEMS | 4 |
| 270 | RB238-90050 | KIT SEAL | 1 |
1.Basic Info
Product Name: Swing Motor Rotary Device Assembly
OEM Part Number: RG138‑61280, RB238‑61280, 104‑6473‑005, 104‑6485‑005
Motor Model: Eaton 2‑200DOS‑E3888 104-6473-005 104-6485-005
Applicable Machines: KUBOTA KX41‑3, U17, U17‑3a, U15, U15‑3 Mini Excavator
Product Type: Complete hydraulic swing drive motor
Condition: High‑quality aftermarket new replacement spare part
2.Core Advantages
- Strictly follows original installation dimensions, mounting holes, oil port positions and shaft spline specifications, direct replacement without cutting or welding modification
- Optimized internal torque output delivers smooth, stable rotation performance for upper‑structure slewing in narrow‑space construction sites
- Heavy‑duty wear‑resistant internal components effectively resist impact loads caused by frequent left‑right swing operations
- Premium sealing system greatly reduces oil leakage risk and maintains stable hydraulic pressure under long‑time cyclic work
- Every swing motor passes hydraulic pressure and no‑load rotation test before shipment to guarantee reliable performance
3.Technical Data
Motor Type: Orbital hydraulic swing motor
Model: Eaton 2‑200DOS‑E3888
Rated Working Pressure: 21.0 MPa
Max Swing Torque: 1050 N·m
Rotation Speed Range: 18‑22 rpm
Net Weight: 15 KG
Gross Weight: 17 KG
Installation: Flange‑mounted pre‑assembled unit
Seal Kit: High‑temperature resistant anti‑aging oil seals
Reduction Gearbox: Not included
Warranty: 12 months
4.FAQ
Q1: Are RG138‑61280 and RB238‑61280 interchangeable?
A1: These two part numbers are cross‑reference numbers, please check your original part number before ordering.
Q2: Can this swing motor fit other Kubota mini‑excavator models?
A2: It is specially designed for KX41‑3, U15, U15‑3, U17, U17‑3a, extra compatibility confirmation is required for other models.
Q3: What attention points should be noted during installation?
A3: Clean swing hydraulic pipelines, replace new hydraulic oil and filter, exhaust air and test swing function at low‑speed without load.
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