Komatsu S4D95 Engine Cylinder Head 6205-21-1504 30kg Excavator PC130-7 Replacement

Name: Komatsu S4D95 Engine Cylinder Head 6205-21-1504 30kg Excavator PC130-7 Replacement
Brand: BELPARTS MACHINERY LIMITED

Price Negotiable

Price: Negotiation

MOQ: 1 PCS

Delivery Time: 3-7 Day

Brand: Belparts

Product Description

#	Part No.	Description	Qty
-	404-00100	TRAVEL REDUCTION GEAR	1
-	404-00098B	TRAVEL REDUCTION GEAR	1
-	404-00098C	TRAVEL REDUCTION GEAR	1
2	K1000707	Code name undefined	1
2	K1000707A	HOUSING	1
3	K9000789	STOPPER	1
3	K9000789A	STOPPER	1
4	K9000790	BEARING, GUIDE	1
5	K1003029	GEARBOX, TRAVEL, CARRIER NO3	1
5	K1003029A	KIT CARRIER NO.3.	1
5A	K1000714	Code name undefined	1
5A	K9001290	CARRIER NO.3	1
5B	K9000791	GEAR, PLANETARY NO.3	4
5C	K9000792	WASHER, THRUST NO.3	8
5D	K9000793	PIN NO.3	4
5D	K9001291	PIN NO.3	4
5E	K1000718	Code name undefined	72
5G	S5740950	PIN, SPRING	4
5G	S5741240	PIN, SPRING	4
9	K9000794	GEAR, SUN NO.3	1
10	K1003028	GEARBOX, TRAVEL, CARRIER NO2	1
10A	K1000713	Code name undefined	1
10B	K9000795	GEAR, PLANETARY NO.2	3
10C	K9000796	WASHER, THRUST NO.2	6
10D	K9000797	PIN NO.2	3
10E	K1000719	Code name undefined	45
10G	S5740650	PIN, SPRING M4X20	3
14	K9000798	GEAR, SUN NO.2	1
15	K1003027	GEARBOX, TRAVEL, CARRIER NO1	1
15A	K1000712	Code name undefined	1
15B	K9000799	GEAR, PLANETARY NO.1	3
15C	K9000800	WASHER, THRUST NO.1	6
15D	K9000801	PIN NO.1	3
15E	K1000720	BEARING, NEEDLE ROLLER	3
15G	S5740650	PIN, SPRING M4X20	3
19	K9000802	GEAR, SUN NO.1	1
20	K9000803	PIN, DOWEL	4
21	K9000804	GEAR, RING	1
22	K9000805	WASHER, THRUST NO.4	1
23	K1000716	Code name undefined	1
24	K9000806	GASKET	1
27	K9000807	BUSHING, THRUST NO.3	1
28	K9000808	BUSHING, THRUST NO.2	1
29	K9000809	BUSHING, THRUST NO.1	1
30	K9000810	BUSHING, THRUST NO.4	1
31	K9000811	BUSHING, OIL	1
32	K9000812	COUPLING	1
33	K9000813	BEARING, ANGULAR	2
35	2180-6059	SEAL, FLOATING	1
36	S6501150	RING, RETAINING	1
37	S6501100	RING, RETAINING	1
39	V2180-1217D174	O-RING	1
40	S2208961	BOLT, HEX SOCKET HEAD	16
40	S2212061	BOLT, SOCKET (M10X1.5X25); M10X1.5X25L	32
41	S2212061	BOLT, SOCKET (M10X1.5X25); M10X1.5X25L	16
42	S2219971	BOLT, SOCKET M14X115	24
42	S2219661	BOLT, HEX SOCKET HEAD	24
43	S2215061	BOLT, HEX SOCKET HEAD	17
45	2181-1890D3	PLUG, SP; PF3/8	3
46	S8000141	O-RING; 1BP14	3
10G	S5740900	PIN , SPRING	3

Basic Info

Product: Travel Gearbox Reducer Reduction Assembly (Gearbox Only)
OEM Numbers: 404‑00100, 404‑00098B, 404‑00098C, 170402‑00009
Compatible Models: Doosan DX300LC, SOLAR 300LC‑V, 300LC‑7A , Terex TXC300LC-1 Excavator
Application: 30‑ton class excavator crawler undercarriage spare parts
Condition: Original New
Note: Reduction gearbox unit only, travel hydraulic motor is sold separately

Core Advantages

Heavy‑duty multi‑stage planetary gear assembly engineered for Doosan 30‑ton excavator chassis
Carburized and quenched gear components withstand high impact loads during rough‑terrain travelling
Reinforced floating seal structure effectively blocks rock dust, slurry and water intrusion into gear housing
Strict OEM dimension control, directly matches original mounting flange for hassle‑free field replacement

Technical Data

Assembly Type: Multi‑stage planetary travel reduction gearbox (motor not included)
Function: Decelerate travel motor output speed and amplify torque for crawler propulsion and slope climbing
Internal Components: Sun gear, planetary gears, ring gear, planet carrier assembly, floating seal group
Recommended Lubricant: Heavy‑duty industrial gear oil ISO VG220
Max Allowable Input Speed: 2100 rpm
Reduction Ratio: Matches OEM factory specification for DX300LC / SOLAR 300LC series
Mounting Interface: Original bolt hole circle, spigot dimension and spline interface to travel motor
Output Sprocket Interface: Precise spline fit for original sprocket and track chain drive
Bench Validation: Backlash measurement, gear meshing inspection, static oil tightness test, no‑load noise detection
Weight: 620kg approx

FAQ

Q1: Can I reuse my existing original travel motor with this new gearbox? A1: Compatible with matched OEM travel motor, verify spline size and mating face dimension before installation.
Q2: What common faults occur on travel reduction gearbox in quarry working conditions? A2: Gear tooth chipping, oil leakage from floating seal, abnormal knocking noise caused by contaminated gear oil.
Q3: What maintenance is required after gearbox replacement? A3: Fill heavy‑load gear oil to specified level, inspect spline fit, monitor oil level during initial working period.