Installation of a Chinese Engine on the Neva Motoblock

What does replacing the engine on a Neva MB1 or MB2 walk-behind tractor give?

You can replace the engine on a walk-behind tractor not only with a model of the brand with which it was supplied, but also with another one, for example, with more or, conversely, less power.
This raises the question - which engine to choose for the Neva walk-behind tractor? The first models of Neva walk-behind tractors in the initial configuration were produced with an engine from a Russian manufacturer, type DM-1K. At this time, new Neva walk-behind tractors can be supplied with foreign-made engines from Robin-Subaru, Briggs&Stratton, Honda, etc. Replacing the engine for a Neva walk-behind tractor with an imported one will make its service life longer, but such engines are much more expensive than domestic ones.
Therefore, if you have to replace the engine on a Neva walk-behind tractor, you need to know that such motors are durable, wear-resistant, but also expensive. You need to know what alternatives there are to Japanese-made products. It is also necessary to consider whether the replacement will be done with your own hands or at service stations.

What engine can be installed on the Neva walk-behind tractor?

Experts often resort to products from Lifan, Robin-Subaru, Patriot and Honda to replace a standard engine. Among the advantages of these devices are endurance, wear resistance, ability to operate in harsh climatic conditions and low fuel consumption. A review of engines for walk-behind tractors will help you make a choice for a quality replacement.

Lifan

The engines of this well-known company have become popular thanks to the valves located on top. Therefore they are reliable. Another advantage is a large selection of models, which has contributed to the fact that devices with the required parameters can be suitable for Neva walk-behind tractors.

Motors from Lifan are not afraid of heavy loads. An air cooling system is responsible for the operation of each unit. To start a cold engine, it is equipped with a hand pump necessary for pumping fuel. Therefore, the Neva walk-behind tractor with such a “heart” can be used in any weather.

Other advantages include:

• availability;
• high technology;
• versatility;
• access to spare parts necessary for repair;
• correct center of gravity.

Lifan products are easy to maintain independently. If you follow the correct ratio when preparing fuel, the engine will last a long time without repair.

Subaru

The popularity of engines from Subaru can be explained by a large number of advantages and high-quality assembly. The brand’s products were among the first to be suitable for Neva motor cultivators and agricultural machines from other manufacturers.

These units are chosen due to:

• durable housing, resistant to mechanical damage;
• preventing oil overheating under heavy loads;
• reliable forged crankshaft and effective air purification system;
• cast iron sleeves, which increase the performance of each device;
• electronic ignition system;
• using the latest technologies and high-quality materials during assembly.

Products from the Japanese company Subaru are economical in fuel and oil consumption. In addition, the operation of the walk-behind tractor is silent, thanks to the crankshaft mounted in the engine. With a Subaru engine, agricultural machinery starts up faster.

Patriot

The Patriot motor engine is one of the most popular among owners of Neva walk-behind tractors. Each product from Patriot is compact and lightweight, but the engine power and endurance remain at the highest level.

The advantages of this brand also include the environmental friendliness of Patriot engines. The production of engines occurs in compliance with existing standards and norms regarding the number and composition of exhaust gases emitted.

They are easy to install. The presence of the necessary valves and pipes in the package ensures that even an inexperienced person in this matter can install the engine.

Options for replacing the engine on the Neva MB 1 or MB2 walk-behind tractor

There are many replacement options, but the most common ones are:

• installation of a Robin-Subaru engine;
• use of a Chinese engine for the Neva walk-behind tractor;
• replacement with a Honda engine.

The replacement option is chosen based on the price-quality ratio, maintainability, climatic factors and other nuances.

What kind of oil to pour into the Neva walk-behind tractor

The role of engine oil is important for the proper functioning of the power unit of the Neva walk-behind tractor. Basically, it is chosen taking into account viscosity and time of year. There are oils on the market that are divided into summer (high-viscosity), winter (low-viscosity) and universal.

Before deciding what kind of oil to pour into the engine of a Neva car, you need to take into account the recommendations of the engine manufacturer.

Brands that produce power units suitable for agricultural machinery recommend using the following oils:

1. Lifan - SAE 30 summer oil is suitable for engines of this brand, and universal SAE 10W-30 in winter. Both of these types extend the life of the engine and keep its mechanisms operational.
2. Subaru - company employees recommend using SAE 10W-30 for lubrication in the summer, and SAE 5W-30 for frequent use of equipment in the winter.
3. Patriot - to lubricate these engines you need to use oils from Briggs & Stratton 10W-30. This material is suitable for both hot summer days and frosty winters.
4. Honda - in winter and summer, it is better to use SAE 10W-30 oils to lubricate power units of this brand.

If you do not deviate from these tips in matters of choosing and using motor oil, then the walk-behind tractor will work properly, regardless of the weather and other factors.

If you need to replace the motor on a Neva walk-behind tractor, it’s easy to find an alternative. The main thing is to familiarize yourself with the possible options in advance and choose the most suitable one.

Advantages of the Robin Subaru engine

• Durable housing and long service life. Advanced air purification system, forged steel crankshaft with bearings on both sides. The ignition coil is replaced by electronic ignition, and liners cast from cast iron increase the engine's service life.
• Very high reliability. Thanks to special cooling channels in the block and head, the oil does not overheat even under heavy loads. Also, using metal instead of plastic increases reliability.
• The engines are assembled in Japan in a factory where a high degree of automation has been achieved, which allows the production of a huge number of parts.

• Low oil consumption. Due to the vertically located cylinders, all rubbing parts are uniformly lubricated, thereby achieving a sufficiently large torque on the shaft. The special design of the oil intake ring and excellent crankcase ventilation minimize oil consumption.
• Reduced noise due to a rigidly fixed crankshaft and a specially shaped air filter, replacement of the cross section of the piston and camshaft.
• Quick start. Due to the large bobbin in the starter, resistance during the starting process is quickly overcome, and automatic compression reduction for the operator makes starting effort easier.
• Highly environmentally friendly. Subaru engines are not inferior to European environmental requirements, which were introduced in 2002, and Japanese exhaust gas requirements of 2003.
• Compact and lightweight design. Although the strength of the engines is maximum for their size, they are small in size and weight. This is achieved through modern computer technologies. Minimum distances between components and assemblies are achieved using modern housing materials.

Terms of use

It may seem that the most important thing is purchasing and installing a new motor. But this is not true. In order for a walk-behind tractor with a new “heart” to last longer, you need to follow the instructions and take care of it when using it.

Therefore, the first thing you need to do before purchasing is to consult with an expert regarding the specifics of using the product. In addition, you need to read the installation and operating instructions. This will avoid mistakes.

Attention!

It is necessary to constantly engage in preventive maintenance - change oils and clean the structure.

If it is noticed that the engine operation is unstable, you need to contact a service center. In this case, a warranty card may come in handy. The causes of the malfunction may be different, so if you do not have special knowledge, you should not disassemble the engine yourself. When examining the device, the expert will immediately tell you what needs to be fixed. The problem may be a seal, unsuitable fuel, etc.

Advantages of the HONDA engine

1. They have high power, from 1.5 to 12 hp.
2. They have high performance.
3. The engines of this company are equipped with a spray lubrication system, which will significantly increase the service life of the motor.
4. They have forced air cooling, which will allow the engine to work longer. Thanks to this system, the engine does not overheat.
5. Starting the engine after being idle is quick and easy thanks to automatic decompressors. The system starts manually and the start time does not depend on weather conditions;
6. Honda engines are reliable and economical and meet environmental standards.

Engine characteristics for the Neva MB-2 walk-behind tractor

The engine for the Neva MB-2 walk-behind tractor has the following distinctive parameters:

• power 6.5 l. With.;
• volume 208 cubic cm;
• gear reducer with low-type gears.

This modification allows the walk-behind tractor to be used for transporting cargo, hilling, plowing, and cultivating various types of soil, even the heaviest.

Advantages of Chinese engines

• Relatively low cost.
• Modern designs.
• High reliability.
• Universal in their purposes.
• Availability of spare parts.

Chinese engines for walk-behind tractors have gained great popularity due to their advantages. Depending on their purpose, motors are equipped with additional equipment (gearboxes, starters and others). Only the latest equipment is used in the production of engines. After purchasing such an engine, you can use it immediately, without additional preparation. They are perfect for all types of walk-behind tractors, even homemade ones.