Not so long ago，Brother Chong recommended two 130-ton truck cranes to you.——STC1300C7-6 andSTC1300C8-6，A lot of hangers are very interested.，But there are questions.：Why are they still single?？Today，Brother Chong will tell us about it.！

▲ STC1300C7-6

▲ STC1300C8-6

What are the advantages of a single-engine truck crane?？

If only a single engine is used，First，Body weight is at least 1% lighter.5 tons，This not only reduces fuel consumption，But also can reduce that fatigue damage of the chassis.，Prolong the service life of the equipment。Secondly，Single-engine truck-mounted crane is opposite to double-engine type with the same foundation configuration.，Prices are generally 10% lower-150,000，It can directly reduce the pressure of users.。

 

Twin engines are more fuel-efficient，But why not recommend?？

Brother Chong took the real data of 100 130-ton single-engine and double-engine truck cranes in the background for calculation.，Found that the twin is really fuel-efficient.，But on a monthly basis,（That is, the upper engine works continuously for a long time.）The fuel-saving effect is more obvious.。And at the moment，100-The 130-ton crane is mainly used for casual work.（Get off the vehicle and the engine works mostly.），The fuel-saving effect of the double engine is greatly reduced.。

Based on 10 months of attendance per year、The average monthly working hours are 120.（20 days×6 hours/God）、The average monthly mileage of getting off is 500km Calculation ，The average monthly fuel consumption of single-engine models has reached 480L，The twin-engine model is only about 240.L，It can save about 1% of fuel cost every year.20,000。

But，The ability to travel long distances with a counterweight in a twin-engine car sling is poor，Counterweight shipping is more expensive。Rental of carts 3 times per month、850 yuan each time、Calculated by working for 10 months per year，The annual input of twin-engine type on the cart is about 2.50,000，And the saved fuel cost.，Instead, we need to invest 1 more.. 30 thousand 。

So，Sany's 130-ton truck crane insists on single-engine design.，In order to adapt to the hoisting market mainly for casual work。

The price of a single is lower.，How about the performance?？

To do casual work, we need to travel around frequently.，To reduce the cost of counterweight shipping，In particular, SANY has improved the ability of the equipment to transfer with counterweight.。

High-strength steel large-section frame、3m wide customized heavy-duty axle、445 heavy duty tires、Thickened and reinforced suspension leaf springs，Strong combination of each link，The bearing capacity of the chassis has been increased from 78 tons to nearly 90 tons.。The bandable 31 is realizedtCounterweight+The ability of the backing plate to turn quickly，Move the counterweight backward，Single machine can cover conventional 100-ton working condition。

In addition，The main arm of both models is2.Oval section, version 0，Slider clearance decrease，Optimize to 18mm。2-Section of 8-section boom is averagely raised by 2.3%，End Arm Perimeter Lift 7.1%。The manufacturing process of oval cross section is very complicated.，The cost is also high，The reason why Sany is willing to insist on adopting，Is because of it.The section is thicker，Stiffness increased by 20%，Better bending and torsion resistance。When carrying out the high-frequency working condition of the fully extended boom，Performance improvement 8%。

Buy a new device，Not only lifting performance should be considered，Also measure operating costs，It is also necessary to calculate the return period.。After reading what brother Chong said.，Do you have any other questions you want to know?？You are welcome to communicate in the comment area.！