S4K Diesel Engine 312C 313C Excavator S4K Engine Assembly For S4K
Product Descriptio
| S4K | S6K |
| Type | 4-cycle water-cooled diesel engine |
| Aspiration | Turbocharged |
| Number of cylinders | 4 | 6 |
| Bore and stroke | mm | 102x130 |
| Displacement | cc | 4249 | 6373 |
| Combustion system | Direct injection |
| Maximum gross output | kW/min-1 | 69.9/1950 | 120/2000 |
| Fuel /Fuel system | Diesel fuel (ASTM No.2-D) / In-line type |
| Charging alternator | V-A | 24-50 |
| Starting system | V-kW | 24-5.0 |
| Engine oil capacity | liter | 18.5 | 30.0 |
| Dryweight | kg | 400 | 540 |
| Flywheel | MHIET Standard |
| Flywheel Housing | SAE #3 |
About Xinfeng Machinery (XF) parts:
Theory
The multi-way valve/distribution valve of the excavator is mainly composed of the following valve groups: electromagnetic reversing valve, relief valve, one-way valve and throttle valve. The functions of each valve block in the excavator multi-way valve/distribution valve:
1. Directional valve: controls the oil in and out of the boom and boom cylinder, the oil in and out of the swing motor traveling motor, and the oil in and out of the local oil cylinder.
2. Relief valve: There is a main relief valve and a root relief valve. The main relief valve controls the system pressure, and the root relief valve is related to the control of the system, with forward and reverse controls.
3. One-way valve: controls the flow of hydraulic oil in one direction.
4. Throttle valve: controls the flow of hydraulic oil.
Excavator Spare Parts
| Swing Motor | Travel Motor | Fan Motor |
| Swing Gearbox | Travel Gearbox | Relief Valve |
| Gear Pump | Electrical Parts | Distribution Valve |
| Engine Assembly | Final Drive Assy | Hydraulic Pump |
Advantages
Warehouse Display
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?
A:By sea,air or by express ( DHL,Fedex,TNT,UPSEMS)
7.What is your MOQ?
A:Small order and sample order are acceptable
8.Do you have any After-Sales service?
A:Yes!Our
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OEM / ODM Excavator Engine Diesel S4K Engine Assembly 312C 313C Images
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