DaTong-Gear HW25712XSTL Heavy Manual Sync Gearbox
The DaTong-Gear HW25712XSTL Heavy Manual Sync Gearbox features a total length of 993 mm (1078 mm), weighs 325 kg (420 kg), and has an oil capacity of 11 L (11.5 L) for the aluminum casing and 13 L (13.5 L) for the iron casing. This gearbox is designed for heavy-duty vehicle engines with a power range between 440 to 540 horsepower. It can handle a maximum input torque of 2500 N.m and has a highest input speed of 2600 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; the weight in parentheses is for the iron casing; the oil capacity in parentheses is when equipped with a Power Take-Off (PTO); the total length in parentheses is with the retarder installed.)
In the detailed model name, “HW” represents the brand. The number “25” indicates 1% of the torque, with the 1/10 notation used when the torque is less than three digits. The number “7” signifies the series number for the heavy-duty transmission series. “12” denotes the number of forward gears. “X” indicates helical gears, “S” stands for a double intermediate shaft, “T” signifies the presence of a synchronizer, “C” represents an overdrive gear, and “L” denotes an aluminum casing.
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 HW25712XSTL Series Main Feature
- The main box adopts a double intermediate shaft structure, a planetary mechanism for the auxiliary box, and a 6X2 combination.
- The standard gear shift booster reduces the shift force by 50%.
- Forced lubrication is combined with splash lubrication.
- A rear power take-off, a single-axis power take-off and a hydraulic retarder can be installed.
General Specifications of HW25712XSTL Series
| Maximum Input Torque: | 2500 N.m |
| Maximum Input Speed: | 2600 RPM |
| Dry Weight: | 325 kg |
| Oil Capacity(PTO): |
11 L(11.5 L)Aluminum casing 13 L(13.5 L)Iron casing |
| Total Length: | 993 mm |
HW25712XSTL
The DaTong-Gear HW25712XSTL Heavy Manual Sync Gearbox features a total length of 993 mm (1078 mm), weighs 325 kg (420 kg), and has an oil capacity of 11 L (11.5 L) for the aluminum casing and 13 L (13.5 L) for the iron casing.
DuraMac
DCEC ISL8.9 series automotive engine is four-strokes engine with 102 mm bore and 120 mm stroke, Equipped with Bosch (or BYC or Weifu) pump. engine comes with turbocharger and Air- Air intercooler. The prime power range is from 269 HP to 394 HP.
Fast Gear
The F6A Series Automated Transmission uses the FAST automatic transmission, has six front gears, the transmission ratio step arrangement is reasonable, has very outstanding fuel economy. Adopt hydraulic automatic transmission. The F6A Series Automated Transmission has six gears, each with a different reduction ratio.
EV Truck
Electric wheel dump trucks use electricity as a power source, completely abandoning traditional fuel engines. This change enables the vehicle to achieve true “zero emissions” during operation, without the emission of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter in the exhaust gas, greatly reducing the pollution to the atmospheric environment.
DANA Axle
Applying the advanced technology of DANA with high efficiency, fuel economy, strong load torque, low noise,high reliability, lower procurement cost, low repair cost and lower maintenance cost.
Datong Gear
The Datong HW25712XSJ Heavy Manual No-Sync Gearbox has a torque of 2500 N.m, a gear ratio range of 14.941-1, an oil capacity of 13 L (13.5 L when equipped with a power take-off), an overall length of 993 mm, and a weight of 428 kg.
Crane Trucks
The DFZ5258JSQSZ6D truck crane is a powerful and versatile vehicle designed for efficient lifting and transportation tasks. Equipped with a YCS06300-61 engine and a Shaanxi Auto Fast gear : 10JS120TA high-low gear with synchronizer、PTO gearbox, it provides strong and stable power for demanding operations.
| DaTong-Gear HW25712XSTL Heavy Manual Sync Gearbox Catalogue |
Gearbox Model |
Gear Ratio Range |
Torque |
Gearbox Model |
Gear Ratio Range |
Torque |
||
| HW25712XSTL | 14.941 – 1 | 2500 N.m | HW25712XSTCL | 11.697 – 0.783 | 2500 N.m | ||
| ——END—— | |||||||
DaTong-Gear HW25712XSTL Series Heavy Manual Sync Gearbox
HW25712XSTCL
Oil Capacity(PTO): 9.5 L(10.5 L)
Maximum Input Speed: 2600 RPM
Maximum Input Torque: 2500 N.m
Torque: 2500 N.m
Total Length: 993 mm
HW25712XSTL
Oil Capacity(PTO): 9.5 L(10.5 L)
Maximum Input Speed: 2600 RPM
Maximum Input Torque: 2500 N.m
Torque: 2500 N.m
Total Length: 993 mm

