Product Descriptio
| Pos. | Part No | Qty | Parts name | Comments |
| 1 | 4H-6112 | [1] | BREATHER (SWING DRIVE) | |
| 2 | 6V-7238 | [1] | VALVE-SHUTOFF (SWING DRIVE) | |
| 3 | 7I-7611 | [1] | CAGE | |
| 4 | 7I-7619 | [1] | BEARING-ROLLER | |
| 5 | 7I-7684 M | [2] | SPACER (50X79.6X6-MM THK) | |
| 6 | 9U-8693 | [1] | BEARING-ROLLER | |
| 7 | 093-1730 | [1] | RING-RETAINING | |
| 8 | 094-1528 | [8] | WASHER (53X84X1-MM THK) | |
| 9 | 096-1441 | [1] | RING-RETAINING | |
| 10 | 110-7149 | [1] | RING-RETAINING | |
| 11 | 114-1322 | [1] | RING-RETAINING | |
| 12 | 114-1398 | [1] | GAUGE-OIL LEVEL (SWING DRIVE) | |
| 13 | 114-1399 | [1] | PIPE-GAUGE | |
| 14 | 127-3872 I | [1] | HOSE AS | |
| 15 | 136-2802 | [2] | CONNECTOR | |
| 16 | 136-2803 | [2] | CLIP | |
| 17 | 148-4600 | [1] | GEAR-SUN (17-TEETH) | |
| 18 | 148-4601 | [1] | GEAR-SUN (17-TEETH) | |
| 19 | 148-4602 | [4] | GEAR-PLANETARY (24-TEETH) | |
| 20 | 148-4603 | [4] | GEAR-PLANETARY (24-TEETH) | |
| 21 | 148-4604 | [1] | GEAR-RING (67-TEETH) | |
| 22 | 148-4605 | [1] | SHAFT-PINION | |
| 23 | 418-6218 | [1] | CARRIER-PLANETARY | |
| 24 | 148-4608 | [4] | SHAFT-PLANETARY | |
| 25 | 148-4609 | [4] | SHAFT-PLANETARY | |
| 26 | 148-4611 | [8] | WASHER (71.3X112X1-MM THK) | |
| 27 | 171-9413 | [1] | SPACER (140.5X160X103.2-MM THK) | |
| 28 | 191-2511 | [1] | CARRIER-PLANETARY | |
| 29 | 191-2513 | [4] | BEARING AS-ROLLER | |
| 30 | 191-2514 | [8] | BEARING AS | |
| 31 | 191-2524 | [1] | HOUSING | |
| 32 | 199-4540 | [1] | COVER-HOUSING | |
| 33 | 227-6215 | [1] | BOSS (1/4-18-THD) | |
| 34 | 099-5194 | [8] | PIN-SPRING | |
| 35 | 128-9170 | [2] | SEAL-LIP TYPE | |
| 36 | 3K-0360 | [1] | SEAL-O-RING | |
| 37 | 5M-4454 | [1] | SEAL-O-RING | |
| 38 | 453-3447 M | [10] | BOLT (M12X1.75X40-MM) | |
| 39 | 451-2182 | [12] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 40 | 8T-4244 M | [1] | NUT (M12X1.75-THD) | |
| 41 | 8T-4956 M | [1] | BOLT (M12X1.75X35-MM) | |
| 42 | 453-4169 M | [24] | BOLT (M16X2X200-MM) | |
| 43 | 451-2175 | [24] | WASHER-HARD (17.5X30X3.5-MM THK) | |
| 1U-8846 BF | SEALANT-GASKET | |||
| B | USE AS REQUIRED | |||
| F | NOT SHOWN | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART |
Theory
The excavator gearbox is an important part of the excavator transmission system. Its main function is to transmit the power of the engine to the working device of the excavator through gears to realize operations such as excavation, loading, and steering. The following is the basic principle of the excavator gearbox:
Gear transmission: The excavator gearbox uses gear transmission to realize the transmission of power. A gear is a disc-shaped mechanical part with a series of tooth-shaped protrusions on it. The gearbox usually contains multiple gears, which transmit power through meshing. The larger gear is called the driving gear, and the smaller gear is called the driven gear. The driving gear is powered by the engine and transmits power to the driven gear through the meshing of the gears, thereby driving the working device of the excavator.
Gear ratio: The gears in the gearbox realize the conversion of speed and torque through different sizes of teeth. The gear ratio in the gearbox refers to the ratio of the number of teeth of the driving gear and the driven gear. When the number of teeth of the driven gear is less than that of the driving gear, the transmission ratio is greater than 1, which can achieve torque amplification, which is suitable for working conditions requiring large torque output. When the number of teeth of the driven gear is greater than that of the driving gear, the transmission ratio is less than 1, which can achieve speed amplification, which is suitable for working conditions requiring high-speed operation.
Gearbox structure: Excavator gearboxes usually consist of multiple gears and shafts. Gears and shafts are supported by bearings to enable smooth rotation. In the gearbox, gears are usually distributed on different parallel shafts, and power transmission is achieved through synchronous meshing. The gearbox may also include accessories such as clutches and brakes to achieve control and protection of the transmission system.
About Xinfeng Machinery (XF) parts:
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Packaging and Delivery
FAQ
1.How to quickly and accurately buy products what lneeded?
A:Provide the original parts number to us to check.
2.How long have you been in the excavator
A:We are engaged in excavator parts since 1998
3.lfI don't know the part number,what shouldI do?
A:Please send us size and pictures of old products.
4.What is the warranty of the products?
A:The warranty is 6/12 Months based on the specific product.
5.How long is your delivery time?
A:The normal delivery time is 3-5 days for stock sproductsafter getting payment. lf not in stock, we will inform you thetime requlred.
6.Which shipping term you can supply?
7.What is your MOQ?
A:Small order and sample order are acceptable
8.Do you have any After-Sales service?
A:Yes!Our
