Sumitomo SH350-3 Excavator Planetary Gear Speed Reducer LN001980 with 18/26 Hole Configuration
Sumitomo SH350-3 Excavator Planetary Gear Speed Reducer - Part Number: LN001980
Manufactured using precision casting and forging processes in Guangzhou, China.
| Model | SH350-3 |
| Part Numbers | LN001980 / KSA10220 / KSA10221 |
| H.S. Code | 8483409090 |
| Size Configuration | 18/26 Holes |
| Production Method | Casting & Forging |
| Position | Part Number | Quantity | Parts Name | Comments |
|---|---|---|---|---|
| . | KBA10750 | [1] | MOTO-REDUCTION GEAR | SUM Includes All Parts On Figures 06-02 - 06-04 Superseded by part number: LJ018700, LN001980 |
| . | LJ018700R | [1] | REMAN-HYD MOTOR | RAC CX290B CRAWLER EXCAVATOR TIER 3 (NA) (1/07-), ASSY, Reman for New PN KBA10750 |
| . | LJ018700C | [1] | CORE-MOTOR HYDRAULIC | RAC Return Number |
| . | LN001980 | [1] | REDUCER | SUM Motor, Piston; Incl. 2 - 35 |
| 2 | LT00126 | [1] | HOUSING | SUM |
| 3 | LB00791 | [2] | BEARING, BALL | SUM |
| 4 | LC002980 | [1] | RING GEAR | SUM |
| 5 | 863-18100 | [22] | HEX SOC SCREW,M18 x 100mm, Cl 12.9 | CAS |
| 6 | LE00993 | [1] | SEAL | SUM |
| . | LH00388 | [1] | SHIM | SUM Incl. 8 - 14 |
| 8 | LH00421 | [1] | SHIM,1.3mm Thk | SUM |
| 9 | LH00422 | [1] | SHIM,1.4mm Thk | SUM |
| 10 | LH00423 | [1] | SHIM,1.5mm Thk | SUM |
| 11 | LH00424 | [1] | SHIM,1.6mm Thk | SUM |
| 12 | LH00425 | [1] | SHIM,1.7mm Thk | SUM |
| 13 | LH00426 | [1] | SHIM,1.8mm Thk | SUM |
| 14 | LH00427 | [1] | SHIM,1.9mm Thk | SUM |
| 15 | LA00832 | [2] | LOCK WASHER | SUM |
| 16 | LE00992 | [1] | RING | SUM |
| 17 | LN00120 | [1] | HOUSING | SUM |
| 18 | LC00202 | [3] | PLANETARY GEAR | SUM |
| 19 | LA00835 | [6] | WASHER | SUM |
| 20 | LB011160 | [3] | NEEDLE BEARING | SUM |
| 21 | LA00907 | [3] | PIN | SUM |
| 22 | 338W100Z056N | [3] | DOWEL | SUM |
| 23 | LC00201 | [1] | SUN GEAR | SUM |
| 24 | LN00119 | [1] | HOUSING | SUM |
| 25 | LC00199 | [3] | PLANETARY GEAR | SUM |
| 26 | LA00830 | [6] | WASHER | SUM |
| 27 | LB011170 | [3] | NEEDLE BEARING | SUM |
| 28 | LA00906 | [3] | PIN | SUM |
| 29 | 338W060Z036N | [3] | PIN | SUM Superseded by part number: 338W060Z036B |
| 30 | LC002990 | [1] | SUN GEAR | SUM |
| 31 | LR00857 | [1] | PLATE | SUM |
| 32 | LW005140 | [1] | COVER | SUM |
| 33 | 108R010Z025B | [18] | BOLT | SUM |
| 34 | LK00383 | [2] | PLUG | SUM |
| 35 | 154503A1 | [2] | O-RING | SUM |
- Verify correct installation of piping and flexible hoses
- Ensure proper motor rotation direction
- Check for leakage from all motor components
- Maintain operation within specified working temperature range
- Monitor pressure to ensure it remains within specified operating parameters
- Unusual motor sounds: Check oil level via case drain plug, add oil if needed, bleed trapped air, and verify oil quality for impurities
- Persistent abnormal operation: Conduct pressure testing throughout work circuit to diagnose potential motor failure
We maintain extensive warehousing facilities including:
- 4000+ square meters of three-dimensional warehouse
- 2000+ square meters of outdoor storage
Our substantial inventory ensures rapid response to customer requirements with fast delivery as our competitive advantage.
We specialize in excavator final drive and swing drive motors, reducer gearboxes, and their component parts.
Yes, we welcome OEM and ODM projects. Simply provide your logo files or design concepts.
Absolutely! We encourage sample orders for quality verification and compatibility testing.
Provide us with your required model and quantity. We will issue a proforma invoice and begin production upon payment confirmation. Lead times vary based on order specifications.
Yes, we operate our own factory with 23 years of specialized experience in excavator gear manufacturing.
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