Wang Dong already knew that Song Zhewu wanted to build cars, so he had already started to design his own cars and tractors with the engineers hired by Song Zhewen for Song Zhewu when he was in the United States.

The Great Depression that swept the world made it easy for Song Zhewen and Wang Dong to recruit many high-level engineers and a large number of overseas Chinese skilled workers. In the midst of the economic crisis, it is easy to find overseas Chinese, because in a crisis, these people are naturally the first to be laid off, and these overseas Chinese are also very willing to return to China to have a look.

It is precisely because of the help of these people that Wang Dong and his colleagues have designed a model of truck, car and tractor before returning to China.

At this time, trucks were still regarded as "horse-drawn carriages" to a certain extent, and their importance was far from being as important as in later generations, which received enough attention and a large number of uses, even in Europe and the United States, many large automobile companies paid little attention to the production of trucks, and they only valued the production of the most profitable cars.

The truck designed by Wang Dong has a rectangular nose, a square cab and a compartment made of wooden planks, which looks very good only from the appearance, according to Wang Dong, this truck has a weight capacity of 1.5 tons. Such a load capacity is basically the load standard of light trucks in this period.

Wang Dong's sedan is no longer like the famous Model T with a square cabin, but by the influence of the Cadillac launched by General Motors in 27, the body has become streamlined, and the flashing black paint makes the sedan look very spiritual.

Although the tractor is much more rudimentary than trucks and cars, it is the most eye-catching.

The three types of vehicles being tested at the test site are the most popular tractors, which suddenly emit black smoke and pull a pair of matching plow trucks, and are being tested on a piece of wasteland on the edge of the test site.

The tractor's actions attracted many villagers to watch, looking at the large wasteland it turned up in a short period of time, the villagers continued to let out bursts of cheers in amazement, and some people shouted "Iron Bull!" A real Iron Bull! ”

In addition to the tank branch that needs to be classified separately, the truck, car and tractor factories are not far from each other, located in the west of Jinyang Lake, Song Zhewu found Wang Dong, who was sweating profusely and busy non-stop, and was directing the installation of equipment.

From Wang Dong's five-year plan, it can be seen that he regarded the special vehicle factory as a dual-purpose operation.

Wang Dong clearly stated in his plan that he would sell his trucks, cars, and tractors to the whole country within five years, so as to completely break the situation in which European and American cars dominated the world in China.

He even came up with a profit plan to produce not only military vehicles for Song Zhewu's Fourth Route Army, but also through the production of civilian vehicles.

However, Song Zhewu thought that the plan formulated by Wang Dong was very problematic.

This is not that Song Zhewu does not believe that Wang Dong will sell cars to the whole country, on the contrary, Song Zhewu believes that as long as Wang Dong's trucks and cars, and even his tractors, are put on the market, the Chinese people will inevitably attract a lot of orders under the inspiration of nationalism and patriotism.

But this is the problem, Song Zhewu's special vehicle factory can barely be regarded as a medium-sized automobile factory, even if the tank factory is included.

The output of a factory of this scale is naturally limited, and this limited production capacity is extremely valuable to Song Zhewu, and it is impossible for him to use it only to make money.

Although under the auspices of Jia Jingde, Ling Hongxun and others and engineers from Germany have completed the line exploration of the Taiku Railway and are preparing for construction.

However, it will take at least eight to ten years to complete the railway, and this still does not take into account the amount of work required to build the various branch roads.

After all, this is a railway line that has more than 1,500 kilometers of trunk lines alone, and also passes through a large number of mountains, rivers, ravines, grasslands, Gobi deserts, and deserts. The terrain is complex, and there are not many construction machines like later generations, and the difficulty of the project can be imagined.

Before the Taiku Railway was completed and opened to traffic, the supply of arms for hundreds of thousands of troops stationed in Northern Mongolia could only be guaranteed by Song Zhewu's 1,000 trucks.

At this time, the load capacity of the trucks is pitiful, generally about 1.5 tons, and the transportation capacity is very limited.

Last time, Li Wentian led a large army to the north, and he had to rely on Jing Yuexiu to mobilize a large number of Mongolian camel teams to support.

Even so, Song Zhewu now feels more and more difficult, these purchased trucks continue to travel back and forth between Taiyuan, Zhangjiakou and Kulun, the road is long, the road conditions are complex and difficult, the vehicle damage rate is extremely high, and he has to replenish hundreds of trucks every year.

With so many trucks, it is absolutely impossible to buy them alone, you have to build them yourself, and you have to build vehicles with better off-road ability. It is not only necessary to ensure the transportation and supply of the Taiku Railway before it is completed, but also to meet the needs of long-distance military operations of his million-strong army in the future.

Therefore, the trucks produced by the special vehicle factory cannot be sold, not even cars. In particular, Song Zhewu does not yet have the luxury to use his limited and valuable production capacity to produce a sedan that can only run on a wide and flat road.

As for the tractor, Song Zhewu is not optimistic about its current sales prospects.

Now, except for the areas under his control, the land in the other provinces was concentrated in the hands of the landlords, who subleased the land in their hands to tenants for cultivation, and naturally they would not buy tractors. There is very little land for self-cultivated farmers with their own land, and it is not easy to be able to eat and clothe, where can I have the money to buy a tractor, an iron guy who can drink oil.

If the tractor wants to be used in practical use now, only a series of farms that he is reclaiming wasteland will need, and with the good thing of the tractor, it will not only be in Taiyuan and Suiyuan, North and South Mongolia, but also in the northeast and Guangrou Siberia in the future, it will be more handy.

Therefore, although the production capacity is limited, the production of tractors will be retained, but the production will be severely limited for the time being.

The factories that Song Zhewu is now building are all small and medium-sized. It's not that Song Zhewu doesn't want to build a large factory, it's that he really can't afford to buy it.

In desperation, we had to build small and medium-sized factories first, and then purchase or develop equipment by ourselves after we had the strength, gradually expand the scale, and turn small and medium-sized factories into complete large-scale production bases.

In doing so, although there was no large-scale production capacity at the beginning, it was difficult to meet the needs of the upcoming war. However, there is also an advantage, that is, his basic equipment manufacturing capabilities will be continuously strengthened, and a strong equipment manufacturing capacity will be gradually realized. In addition, the equipment of his various factories will always be relatively advanced.

As for Song Zhewu's strong military needs, Wang Dong obviously did not understand, this is because he has only been in Taiyuan for a few months, and as soon as he came, he began to organize the construction of special vehicle factories and corresponding research institutions, and he still has very little understanding of the Fourth Route Army.

However, it doesn't matter, this time, Song Zhewu didn't come empty-handed, he brought Wang Dong a new five-year plan.

Of course, this new plan is a large-scale revision of Wang Dong's plan.

In this new plan, there are basically no changes to Wang Dong's infrastructure construction steps, equipment renewal plan, scientific research capacity building, as well as new tank production and tank chassis design, but Song Zhewu has made drastic changes in the direction of model development, production planning, and capacity distribution in the future.

Song Zhewu gave Wang Dong the task of developing and producing trucks, military off-road vehicles with general functions, and tractors.

Song Zhewu believes that including the trucks designed by Wang Dong, all trucks in the world now have two common problems, that is, the load capacity is low and the off-road ability is not strong, which is difficult to meet military needs.

The new car developed by Wang Dong also has such shortcomings. However, it is always a good thing to have your own truck, and if you can use such a truck, Song Zhewu is also very happy.

Therefore, while Song Zhewu asked Wang Dong to realize the mass production of the new trucks that had been developed as soon as possible, he also gave Wang Dong the task of developing the basic models of the two trucks.

One is the Bulldog heavy-duty truck of the American Mark Company, which is used as a basic model for heavy artillery trailers, tank carriers, and heavy transport vehicles.

Bulldog heavy truck, although it is the exclusive patented product of Mark, but this truck has no secrets, at least for Wang Dong.

Not only did Song Zhewu have a lot of bulldog trucks that he bought from the United States this time to take advantage of the economic crisis, but Wang Dong even recruited several engineers from Mark Company and more than a dozen overseas Chinese technicians. Song Zhewu and Wang Dong will not honestly abide by any patent rules.

Of course, they won't be too straightforward, at least some degree of improvement is necessary.

Another truck is the American Dodge ten-wheel truck, which produced more than 800,000 units in World War II and was not discontinued until the 60s after the emergence of alternative models.

This Dodge truck is a major military truck with its high strength, strong off-road surname, durability, easy maintenance, and strong adaptability to various complex paths.

The only fly in the ointment is that its load capacity is still a little low, and the standard load capacity of the car is 2.5 tons. However, even if it carries twice the weight of its carrying capacity, it can still fly forward, and the actual maximum load capacity is about 5 tons.

For the truck that will appear ten years after Wang Dong's development, with the technical conditions at this time, it is already a little difficult for him.

It's just that Song Zhewu still believes that the development of a project with a high starting point is not only not absolutely incomplete, but will also lead to substantial progress in related technologies. If Wang Dongneng develops it in about five years, it will be great.

(To be continued)