DaTong-Gear SR Heavy Manual No-Sync Gearbox
The DaTong-Gear SR Heavy Manual No-Sync Gearbox has a total length of 843 mm and a weight of 80 kg, with the aluminum casing of the same series gearbox weighing 160 kg. This gearbox is suitable for heavy-duty vehicle engines with a power range between 290 and 360 horsepower. It has a maximum input torque of 6000 N.m (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 “15” 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. “10” 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 SR Series Main Feature
- Main box double intermediate shaft mechanism, auxiliary box planetary mechanism, 5X2 combination.
- Long-distance single H control, optional single lever/double lever control, and gear shift booster can be installed.
- Combination of forced lubrication and gear splash lubrication.
- Many gears, small step difference, easy shifting, and strong fuel saving.
General Specifications of SR Series
| Maximum Input Torque: | 250 – 500 N.m |
| Maximum Input Speed: | 6000 RPM |
| Dry Weight: | 80 – 160 kg |
| Oil Capacity(PTO): | N / A |
| Speed Ratio Range: | 3.6 – 7.8 |
Gearbox Model |
Maximum Input Torque |
Dry Weight |
Engine Model |
Rated Power |
Peak Torque |
||
| SR8AT250F | 250 N.m | 80 kg | SR8AT300F-I | 300 N.m | 83 kg | ||
| SR8AT300F-II | 300 N.m | 86 kg | SR8AT380F | 380 N.m | 87 kg | ||
| SR8AT420F | 500 N.m | 97 kg | SR8AT320R | 320 N.m | 85 kg | ||
| SR8AT500R-I | 500 N.m | 88 kg | SR8AT500R-II | 500 N.m | 105 kg | ||
| SR8HT500R | 500 N.m | 110 kg | SR8HT420F | 420 N.m | 108 kg | ||
| SRDHT500R | 500 N.m | 160 kg | |||||
| ——END—— | |||||||
DaTong-Gear SR Series Heavy Manual No-Sync Gearbox
This is the list of all series of DaTong-Gear SR Series Heavy Manual No-Sync Gearbox.
SR8HT420F
Maximum Input Torque: 420 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 108 kg
Oil Capacity(PTO): N / A
Total Length: 414.4 * 411.4 * 629.5 mm
SR8AT320R
Maximum Input Torque: 320 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 85 kg
Oil Capacity(PTO): N / A
Total Length: 656 * 488 * 453.4 mm
SRDHT500R
Maximum Input Torque: 500 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 160 kg
Oil Capacity(PTO): N / A
Total Length: 738.4 * 453 * 453 mm
SR8HT500R
Maximum Input Torque: 500 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 110 kg
Oil Capacity(PTO): N / A
Total Length: 786.8 * 413.6 * 416.1 mm
SR8AT500R-II
Maximum Input Torque: 500 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 105 kg
Oil Capacity(PTO): N / A
Total Length: 670.9 * 454.1 * 453.6 mm
SR8AT500R-I
Maximum Input Torque: 500 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 88 kg
Oil Capacity(PTO): N / A
Total Length: 672.1 * 407.5 * 414.8 mm
SR8AT420F
Maximum Input Torque: 420 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 97 kg
Oil Capacity(PTO): N / A
Total Length: 368.8 * 622.3 * 418.9 mm
SR8AT380F
Maximum Input Torque: 380 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 87 kg
Oil Capacity(PTO): N / A
Total Length: 372.1 * 607.6 * 407.7 mm
SR8AT300F-II
Maximum Input Torque: 300 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 86 kg
Oil Capacity(PTO): N / A
Total Length: 389.5 * 591.8 * 431.3 mm
SR8AT300F-I
Maximum Input Torque: 300 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 83 kg
Oil Capacity(PTO): N / A
Total Length: 389.5 * 591.8 * 431.3 mm
SR8AT250F
Maximum Input Torque: 250 N.m
Maximum Input Speed: 6000 RPM
Dry Weight: 80 kg
Oil Capacity(PTO): N / A
Total Length: 389.5 * 591.8 * 431.3 mm
