DaTong-Gear HW19712 Heavy Manual No-Sync Gearbox

The DaTong-Gear HW19712 Heavy Manual No-Sync Gearbox has a total length of 915 mm and a weight of 379 kg, with the aluminum casing of the same series gearbox weighing 292 kg. The oil capacity is 13 L (13.5 L) when equipped with a Power Take-Off (PTO). This gearbox is suitable for heavy-duty vehicle engines with a power range between 360 and 480 horsepower. It has a maximum input torque of 1900 N.m and a highest input speed of 2100 RPM. (The weight does not include the lubricating oil and clutch disengagement mechanism; the length refers to the distance from the clutch’s front flange end face to the output flange end face.)

In the detailed model name, “HW” represents the brand. The number “19” indicates 1% of the torque, with a 1/10 notation used when the torque is less than three digits. The number “7” signifies the series number, denoting a heavy-duty transmission series. “12” represents the number of forward gears, “A” stands for AMT (Automated Manual Transmission), “C” denotes an overdrive gear, and “T” signifies the presence of a synchronizer.

As part of EMAC, DuraMac provides a complete power system that integrates DCEC engines, Fast-Eaton clutches, DaTong-Gear transmissions, Dongfeng-DANA axles and Komman air suspensions. With the future trend of automotive electrification, Duramac is also actively developing in the field of electric vehicle power systems.

The company provides customers with full life cycle services, from design to power system supply, installation and commissioning, to after-sales service training and spare parts supply, as well as troubleshooting and overhaul technical support. This full range of services ensures that customer equipment maintains high reliability and long-term operating efficiency during use.

These comprehensive power systems and service capabilities enable Duramac to occupy an important position in the field of construction machinery and provide advanced solutions for future electrification trends.

DaTong-Gear HW19712 Series Main Feature

• The main box adopts dual intermediate shaft with helical gears, and the auxiliary box has a planetary mechanism, 6X2 combination.
• Long-distance single-H operation, with the option of single-lever or dual-lever operation, and a shift booster can also be chosen.
• Using a combination of forced lubrication and gear splash lubrication.
• With a large number of gears, small gear ratio, easy shifting and fuel efficiency.