Excavator DX140LCR-5 Swing Reduction Gearbox 130426-00035 K1007357B Original New Slewing Gear

Doosan excavator DX140LCR-5 swing reduction gearbox 130426-00035 K1007357B original new slewing gear

Part Name	Excavator final drive
Model	DX140LCR-5
Part Number	130426-00035 K1007357B
Place of Origin	Guangzhou China
Warranty	6 Months
Item Condition	New
Brand	Belparts
MOQ	1 Piece

List of spare parts

#	Part No	Part Name	Comment	Qty.	Price request
-	K1007357B	GEAR, REDUCTION	130 kg	1
1	402-00017	CASING	28 kg	1
2	405-00006	SHAFT, DRIVE	14 kg	1
3	104-00019	GEAR, RING	13 kg	1
4	404-00063	GEAR, PLANET NO.2	1 kg	4
5	404-00064	GEAR, SUN NO.2	2 kg	1
6	404-00065	GEAR, PLANET NO.1	1 kg	3
7	404-00066	GEAR, SUN NO.1	1 kg	1
8	230-00017	CARRIER NO.2	6 kg	1
9	230-00018	CARRIER NO.1	3 kg	1
10	123-00094	PIN ASS'Y NO.2		4
11	123-00095	PIN ASS'Y NO.1		3
12	2114-1594	T/WASHER NO.3(=2114-1594P)		13
13	2114-1592	WASHER, THRUST(A)		2
14	119-00003	BAR, LEVEL		1
15	182-00009	PIPE, OIL LEVEL GAUGE		1
16	123-00096	PIN, KNOCK		2
17	2109-1041	SPH.ROLLER BEARING(=2109-1041P)	4 kg	1
18	2109-1042	CYL.ROLLER BRG.(=2109-1042P)	2 kg	1
19	S2216873	BOLT, HEX SOCKET		10
20	180-00179	SEAL, OIL		1
21	2181-1116D4	PLUG, RECHECK	97123-04111	1
22	2181-1116D2	PLUG, RECHECK		2
23	S5740890	PIN-SPRING CL		3
24	S6500300	RING, RETAINING		4
25	S6500650	RING, RETAINING		1
26	115-00037	RING, NILOS		1
27	S5740890	PIN-SPRING CL		4
28	191-00167	PLATE, SUPPORT	1 kg	2
29	S3453116	BOLT, SCREW	1 kg	6

The structural design of the excavator slewing gearbox is the key to its superior performance. The slewing gearbox is typically composed of components such as gears, bearings, housing, and hydraulic motor interfaces. Its internal gear transmission system is precisely designed and optimized to maintain stable transmission efficiency under high-load conditions. Gears are one of the core components of the slewing gearbox, and their meshing accuracy directly affects the noise level and transmission efficiency of the slewing gearbox. Modern slewing gearboxes usually employ helical gears or planetary gear designs, which not only enhance the load-bearing capacity of the gears but also effectively reduce noise and vibration during operation.

The bearing system is also a crucial part of the slewing gearbox. Bearings play a role in supporting and transmitting power within the slewing gearbox, and their performance directly impacts the smooth operation and service life of the slewing gearbox. Modern slewing gearboxes typically use high-precision rolling bearings or sliding bearings, which feature high load capacity, low friction coefficient, and long service life, ensuring stable performance under harsh working conditions. Additionally, to further extend the service life of the bearings, slewing gearboxes are equipped with advanced lubrication systems. These systems ensure that the bearings are adequately lubricated during operation, reducing friction and wear, thereby prolonging the bearings' lifespan.

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Doosan Excavator Swing Reduction Gearbox

      

DX140LCR-5 Swing Reduction Gearbox

      

Original new Slewing Gear

      

Excavator DX140LCR-5 Swing Reduction Gearbox 130426-00035 K1007357B Original New Slewing Gear Images