Allison-at OFS 4000 Series Transmission

The proven reliability and durability of Allison fully automatic transmissions enables them to operate efficiently in challenging environments. The 4000 Series™ was specifically developed to meet the performance needs of heavy-duty vehicles that operate in demanding applications including construction, energy, mining and defense.
The 4000 Series™ is ideal for heavy-duty vehicles that require substantial power and torque. It can accommodate engines with power ratings ranging from 380 to 800 horsepower (283-597 kW) and torque capacities up to 2,360 lb-ft (3,200 N·m).
4000 Series™ transmissions offer six or seven forward gears, depending on the model. Gear ratios are optimized to provide an ideal balance between vehicle performance and fuel efficiency.

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Advantages of OFS 4000 Series Transmission

The controls system includes a wide variety of advancements including enhanced technology, cybersecurity and functional safety.

Allison automatics enable peak performance and fuel efficiency, maintaining seamless, full-power shifts that allow vehicles to travel farther in less time. This empowers fleets to achieve sustainability goals without sacrificing productivity and efficiency, all while using familiar hardware.

Allison Transmission‘s innovative technology solution uses a unique set of software and electronic controls to deliver quantifiable fuel savings of up to 8%, all while maintaining the traditional Allison advantages of quality, reliability, durability and productivity.

Allison Regular Bus Models 4000 Series Transmission

The proven reliability and durability of Allison fully automatic transmissions enables them to operate efficiently in challenging environments. The 4000 Series™ was specifically developed to meet the performance needs of heavy-duty vehicles that operate in demanding applications including construction, energy, mining and defense.

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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.

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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.

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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.

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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.

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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.

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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.

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Allison-at OFS 4000 Series Transmission Catalogue

Transmission Model	Gross Input Power	Gross Input Torque	Transmission Model	Gross Input Power	Gross Input Torque
4430 OFS	425 HP	1650 N.m	4500 OFS	580 HP	2237 N.m
4700 OFS	605 HP	2508 N.m	4750 OFS	665 HP	2644 N.m

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