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KOMATSU PC1250-7 PC1250-8 PC1250LC-7 PC1250LC-8 PC1250SP-8 PC1250-8R PC1250SE-7 21N-26-00070 Excavator Original Swing Gearbox Reducer Machinery
Place of Origin:Japan
Brand Name:Belparts
Certification:ISO9001 / 2006/42/EC
Model Number:PC1250-7 PC1250-8 PC1250LC-7 PC1250LC-8 PC1250SP-8 PC1250-8R PC1250SE-7
Minimum Order Quantity:1PCS
Price:Negotiated price
Payment Terms:T/T,trade assurance,PayPal,L/C,D/P,D/A,Western Union
Supply Ability:100 PCS / Months
Product Details
Highlight:
Komatsu PC1250 excavator swing gearbox
,original swing gearbox reducer
,excavator swing gearbox machinery
Parts Number:
21N-26-00070
Part Name:
Swing Gearbox Reducer Machinery
Quality:
Original Genuine
Condition:
Rebuild
Model:
PC1250-7 PC1250-8 PC1250LC-7 PC1250LC-8 PC1250SP-8 PC1250-8R PC1250SE-7
Application:
Excavator
Warranty:
6 Months
Shipment:
DHL FEDEX TNT EMS UPS / Ses / Air
Product Description
| # | Part No. | Description | Qty |
|---|---|---|---|
| 1 | 21N-26-00070 | SWING MACHINERY A | 1 |
| 1 | 208-26-63170 | CASE | 1 |
| 2 | 06000-23124 | Bearing | 1 |
| 3 | 21N-26-31140 | Bearing | 1 |
| 4 | 208-26-52263 | Cover | 1 |
| 5 | 01010-81040 | BOLT (OP) | 12 |
| 6 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 12 |
| 7 | 208-26-61291 | OIL SEAL | 1 |
| 8 | 21N-26-31110 | SHAFT? 13 TEETH | 1 |
| 9 | 208-26-61151 | Coupling | 1 |
| 10 | 208-26-52230 | Plate | 1 |
| 11 | 205-32-51211 | BOLT? SHOE (KIT) | 1 |
| 12 | 207-27-63170 | Carrier | 1 |
| 13 | 208-26-63140 | Gear | 4 |
| 14 | 207-27-63210 | BEARING,2P | 4 |
| 15 | 20Y-27-21250 | WASHER,THRUST | 8 |
| 16 | 207-27-63230 | Pin | 4 |
| 17 | 20Y-26-21330 | Pin | 4 |
| 18 | 207-27-63150 | GEAR,RG | 1 |
| 19 | 207-27-63250 | Washer | 1 |
| 20 | 208-26-63131 | Gear | 1 |
| 20 | 208-26-63130 | Gear | 1 |
| 21 | 20Y-27-13310 | WASHER,THRUST | 2 |
| 22 | 207-26-61180 | Guide | 1 |
| 23 | 208-26-63150 | Carrier | 1 |
| 24 | 208-26-63120 | Gear | 3 |
| 25 | 20Y-27-22210 | Bearing | 3 |
| 26 | 20Y-27-21240 | WASHER,THRUST | 6 |
| 27 | 20Y-27-21220 | Pin | 3 |
| 28 | 20Y-27-21280 | Pin | 3 |
| 29 | 208-26-63110 | Gear | 1 |
| 30 | 20Y-27-11250 | Spacer | 1 |
| 31 | 208-26-63161 | Cover | 1 |
| 32 | 01011-61880 | Bolt | 19 |
| 33 | 01643-31845 | WASHER,(WITHOUT R.O.P.S.) | 19 |
| 34 | 07042-00312 | PLUG,(WITHOUT CORROSION RESISTOR) | 1 |
| 35 | 07000-15335 | O-RING (KIT) | 1 |
| 36 | 207-26-51350 | PLATE,(BLIND PART) | 1 |
| 37 | 01010-82450 | BOLT,(WITHOUT ROPS GUARD? CANOPY) | 2 |
| 38 | 01643-32460 | WASHER,(WITHOUT ROPS GUARD? CANOPY) | 2 |
1.Basic Info
- Product: Original Swing Gearbox Reducer
- OEM Numbers: 21N‑26‑00070
- Compatible Models: KOMATSU PC1250‑7, PC1250‑8, PC1250LC‑7, PC1250LC‑8, PC1250SP‑8, PC1250‑8R, PC1250SE‑7
- Application: Excavator Construction Machinery Parts
- Condition: Original New
2.Core Advantages
- Strict OEM factory inspection, fully matches original dimensional specification
- Heavy‑duty planetary gear set for large mining excavator slewing operation
- Stable swing output torque under high load mining working conditions
- Direct bolt‑on installation without any modification
3.Technical Data
- Assembly Type: Planetary swing gear reducer
- Function: Reduce motor speed and amplify torque for upper body slewing drive
- Gear Structure: Multi‑stage planetary gear system
- Working Medium: Gear oil ISO VG220 for reduction box; hydraulic oil ISO VG46/VG68 for motor circuit
- Rated Swing Torque: Matches OEM factory specification for 125‑ton class excavator
- Max Swing Pressure: 29.0 MPa
- Parking Brake: Built‑in oil‑release multi‑disc swing brake
- Mounting: Fully compatible original flange mounting dimension and bolt hole layout
- Output Pinion: Original pinion module and tooth count for swing circle engagement
- Testing Standard: OEM bench test for gear meshing, brake performance, noise and no‑load rotation
- Weight: 550kg approx
4.FAQ
Q1: Does this swing gearbox include swing hydraulic motor?
A1: Standard supply is gear reducer only, swing motor is sold separately unless specified.
Q2: What is the warranty for original new swing gearbox reducer?
A2: One‑year warranty under correct installation and regular gear oil maintenance.
Q3: Is direct installation available?
A3: Yes, ready‑to‑install, recommend inspecting swing gear ring before assembly.
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