Yanmar 4TNV106 Short Cylinder Block 72397-01560 is a replacement part for excavator engine overhauls
The 4TNV106 short cylinder block assembly is a core repair component for the Yanmar 4TNV106 four-cylinder diesel engine, primarily used for complete replacement and repair after engine cylinder scoring, crankshaft damage, cylinder block wear, or major overhaul and refurbishment. The short cylinder block typically includes the cylinder block, crankshaft, connecting rods, pistons, and some internal moving parts, effectively shortening engine repair time and improving equipment restoration efficiency.
4TNV106 Short Cylinder Block Assembly Specifications
| Product Name |
Short Cylinder Block Assembly |
| Engine Type |
Four-cylinder diesel engine |
| Displacement |
4.412L |
| Bore × Stroke |
106 mm × 125 mm |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Applicable Industries: Construction machinery, skid steer loaders, mini excavators, power generation equipment, and industrial power
Features and Advantages
Short cylinder block structure, suitable for engine overhaul and quick replacement
Reduces maintenance time and improves equipment recovery efficiency
Cylinder block is made of high-strength cast iron, with stable wear resistance
Crankshaft and connecting rod undergo heat treatment to improve service life
Supports OEM and aftermarket supply

Yanmar 4TNV106 Short Cylinder Block Assembly Front View - Including crankshaft, piston, and connecting rod
Components and Part Numbers
| 4TNV106 Cylinder Block |
723907-01560 |
| 4TNV106 Crankshaft |
123900-21000 |
| 4TNV106 Piston |
123907-22081 |
| 4TNV106 Crankshaft Bearing |
722900-02800 |
| 4TNV106 Piston Rings |
123907-22011 |
| 4TNV106 Connecting Rod |
123900-23000 |
| 4TNV106 Connecting Rod Bearing |
123900-03600 |
| 4TNV106 Thrust Washer |
123900-02930 |
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |


Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Engine Short Cylinder Block Assembly compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Q6: Why is it recommended to replace the short cylinder block instead of continuing to repair the old one?
A6: After long-term high-load operation of the 4TNV106 engine, the old cylinder block is prone to wear, cylinder scoring, and crankshaft damage. Compared to traditional cylinder boring repair, replacing the short cylinder block assembly can directly restore the original factory assembly precision and operational stability, with a shorter repair cycle and lower failure rate, making it more suitable for quickly restoring construction machinery to its operational use.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.