DuraMac Transfer Case

DuraMac Transfer Case encompasses wheeled vehicles, construction machinery chassis, pump drives, and multi-output systems, serving sectors including defence, construction machinery, oil fields, ports, and specialty vehicles.

Extreme Load Capacity

Transfer Box delivers exceptional load capacity with torque up to 40,000 Nm, engineered for heavy-duty machinery and specialty vehicles. Integrated lubrication and external cooling systems ensure stable, continuous operation under high loads, while military-grade reliability adapts to diverse, complex environments.

Interchangeable with Germany Z&F Transfer Case

Our product is compatible with German Z&F transfer cases, maintaining identical interfaces and mounting dimensions for straightforward direct replacement. DuraMac’s transfer case design offers multiple gear ratio options and connection devices, providing flexible adaptation to various host equipment and functional requirements.

International Certification System Assurance

Strictly implement the quality management system certified to ISO 9001 and IATF 16949 standards to ensure product reliability and consistency throughout the entire process, and continuously meet the high standards demanded by customers and the industry.

Customization and After-Sales Service

The transfer case features a modular design that supports multiple configuration customizations and rapid development, ensuring the product aligns with actual operating conditions. Leveraging our local service network, we provide comprehensive support from product selection to after-sales service, guaranteeing efficient and reliable transmission solutions for customers worldwide.

As a high-tech leader in the drivetrain sector, Duramac has long focused on the R&D and manufacturing of transmission units, transfer cases, planetary gearboxes, and powertrains for new energy vehicles, backed by robust large-scale production capabilities. DuraMac has established a comprehensive technological innovation system and strictly implements a quality management system certified to ISO 9001 and IATF 16949 standards, ensuring product reliability and consistency throughout the entire production process. Through continuous technological innovation and exceptional product quality, its offerings are widely adopted across multiple industrial sectors, earning high trust and acclaim from both the market and customers…. Read More

SinoMac Group was established in 2010 to become a leading one-stop supplier in the power machinery industry. The company operates four overseas subsidiaries and owns 10 self-registered trademarks. Its products are widely used in various fields such as energy, mining, maritime, automotive, rail transport, and spare parts. SinoMac Group integrates other top-tier power systems and new energy products to form relevant systems that meet specific needs. With years of extensive experience in power system supply, SinoMac Group is capable of quickly understanding and responding to customer needs, significantly reducing communication costs for clients. The company offers a one-stop solution that covers everything from pre-design to component supply, from installation to commissioning, and from pre-sales communication to after-sales service …Read More
With the mission of “Better Power, Better World”, SinoMac gathering a brilliant well-educated team, all of SinoMac’s team members are have an English background, from sales to engineers, from the marketing team to the administration team, our good English foundation ensuring the ability of smooth communication with all customers. SinoMac also gradually building our global services network, from branch companies to joint ventures, from local sales representatives to local after-sales services partners, we continuously expanding our global network to provide better communication and services for our customers. Till 2021, SinoMac has branch companies and joint ventures in Thailand and Singapore, we also have after-sales service ability in these two countries. We have sales representatives in Turkey, Spain, France, and the UK…Read More

As a professional one-stop power system provider with 12 years of experience, SinoMac Group has a unique and outstanding capability to supply complete power systems for a variety of applications. From automotive power systems to rail transit power systems, water pump drive packages to complete generator sets, and marine propulsion systems to marine power systems, SinoMac Group works closely with factories of world-leading companies in China to provide high-end solutions at competitive prices.
SinoMac Group is an excellent solution provider with a professional and dedicated team. We have developed an advanced management system based on our past experiences, and SinoMac Group is an innovator in detailed visualization services, offering professional videos for every single product we sell. This commitment to excellence ensures that our customers receive not only high-quality products but also unparalleled service and support…
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We cares your voice, from pre-sales communications, to sales communications, from after-sales complaints to customer review feedback, SinoMac continuously collects all kinds of questions from customers, no matter questions on products, about business terms, marketing, or management related, helping SinoMac and customers to know each other better and grow together.
With the mission of “Better Power, Better World”, and the vision of “Make China Power the World”, SinoMac looking for business partners in each country, that can working both as branch company or joint venture, by utilize the rich resources here in China, and our local business partner’s network resource and local service advantages, we hope can help all manufacturers in the world to improve their design ability, manufacturing capability, management level and products quality standard…
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Wheeled Vehicle Transfer Cases Home

Wheeled Vehicle Transfer Cases

Specifically designed for all-wheel-drive wheeled vehicles, this unit integrates an inter-axle differential with high/low gear ratios. Featuring pneumatic shifting and built-in lubrication, it enhances the off-road capability and handling of all-wheel-drive vehicles. Compatible with mainstream transmission interfaces, it facilitates seamless integration and development for complete vehicles.

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Machinery Chassis Transfer Cases Home

Machinery Chassis Transfer Cases

Specifically engineered for heavy-duty construction machinery, this transmission integrates high-torque multi-speed gearing with a forced lubrication cooling system to meet the demands of continuous heavy-load operations. It supports remote pneumatic/hydraulic shifting, enhancing operational efficiency and safety.

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Pump Drives Home-1

Pump Drives

Pump Drives enable a single motor to drive multiple pumps. Featuring a compact design, high transmission efficiency, and adjustable speed ratios, they save space and reduce power costs while enhancing system energy efficiency. These units flexibly adapt to various pump types and operating conditions.

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Other Transfer Cases Home-1

Other Transfer Cases

Transmission solutions specifically engineered for special equipment, meeting customized requirements through compact, lightweight, or specially protected designs. These solutions ensure the stable operation of specialized machinery in harsh environments such as dusty or vibration-prone conditions.

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Find Transfer Cases by Series or Type

Below list is the transfer cases classified by transfer case type, you can also find transfer cases classified by series in the top menu.

Wheeled Vehicle Transfer Cases

ZQC500

ZQC500

Transfer Case for Wheeled Vehicles ZQC500
Model: ZQC500
Ratio (On-road/Off-road): 0.91/2.08
Max Input Torque: 5000 Nm
Max Input Speed: 4300 rpm

ZQC500

ZQC800

wheeled vehicle transfer case ZQC800
Model: ZQC800
Ratio (On-road/Off-road): 1/1.5
Max Input Power/Torque: 8000 NM
Max Input Speed: 3000 rpm

ZQC500

ZQC1200

wheeled vehicle transfer case ZQC1200
Model: ZQC1200
Ratio (On-road/Off-road): 1/1.75or1.285
Max Input Power/Torque: 12000 NM
Max Input Speed: 3000 rpm

ZQC500

ZQC1600

Transfer Case for Wheeled Vehicles ZQC1600
Model: ZQC1600
Ratio (On-road/Off-road): 0.89/1.536
Max Input Power/Torque: 18000 NM
Max Input Speed: 2800 rpm

ZQC500

ZQC2000

wheeled vehicle transfer case ZQC2000
Model: ZQC2000
Ratio (On-road/Off-road): 0.89 or 1/1.536
Max Input Power/Torque: 25000 NM
Max Input Speed: 2800 rpm

ZQC500

ZQC2000L

wheeled vehicle transfer case ZQC2000L
Model: ZQC2000L
Ratio (On-road/Off-road): 0.89 or 1/1.536
Max Input Power/Torque: 25000 NM
Max Input Speed: 2800 rpm

ZQC500

ZQC2800

wheeled vehicle transfer case ZQC2800
Model: ZQC2800
Ratio (On-road/Off-road): 1.11/2.37 or 1.47
Max Input Power/Torque: 32000 NM
Max Input Speed: 2800 rpm

Machinery Chassis Transfer Cases

ZQC250030000 Nm
ZQC260030000 Nm
ZQC375038000 Nm

Model

Torque/Nm

010000200003000040000500006000070000
DuraMac Machinery Chassis Transfer Cases Series Catalogue

ZQC2500

ZQC2500

Modle: ZQC2500
Max Input Torque: 30000 Nm
Max Input Speed: 2800 rpm

ZQC2500

ZQC2600

Modle: ZQC2600
Max Input Torque: 30000 Nm
Max Input Speed: 2600 rpm

ZQC2500

ZQC3750

Modle: ZQC3750
Max Input Torque: 38000 Nm
Max Input Speed: 2500 rpm

Pump Drives

One Input Two Output800 – 4800 N.m
One Input Three Output1100 – 4800 N.m
One Input Four Output2300 – 4800 N.m

Model

Max Input Torque/N.m

01000200030004000500060007000
One Input Two Output ZQC4229

One Input Two Output ZQC4229

Model: ZQC4229
Ratio: 0.75、0.8225、0.8833、1.132、1.215
Max Input Power: 900 kW
Max Input Torque: 4800 N.m

One Input Two Output ZQC4229

One Input Two Output ZQC4227

Model: ZQC4226
Ratio: 0.7090、0.7736、0.8431、1.0889、1.186、1.41
Max Input Power: 700 kW
Max Input Torque: 3300 N.m

One Input Two Output ZQC4229

One Input Two Output ZQC4226

Model: ZQC4226
Ratio: 0.5283、0.5385、0.6531、0.7609、0.8837、0.9756
Max Input Power: 500 kW
Max Input Torque: 3000 N.m

One Input Two Output ZQC4229

One Input Two Output ZQC4225

Model: ZQC4225
Ratio: 0.6552、0.7143、0.7778、1.2857、1.4、1.526
Max Input Power: 530 kW
Max Input Torque: 2300 N.m

One Input Two Output ZQC4229

One Input Two Output ZQC4224

Model: ZQC4224
Ratio: 0.6552、0.7143、0.7778、1.2857、1.4、1.526
Max Input Power: 400 kW
Max Input Torque: 1500 N.m

One Input Two Output ZQC4229

One Input Two Output ZQC4223

Model: ZQC4223
Ratio: 0.7142、0.8261、0.9535、1.2105、1.3333、1.4
Max Input Power: 320 kW
Max Input Torque: 1100 N.m

One Input Two Output ZQC4229

One Input Three Output ZQC4239

Model: ZQC4239
Ratio: 0.75、0.8226、0.9483、1.1321、1.2157、1,4889
Max Input Power: 900 kW
Max Input Torque: 4800 N.m

One Input Two Output ZQC4229

One Input Three Output ZQC4238

Model: ZQC4238
Ratio: 0.6207、0.6607、0.6786、0.7091、0.7736、0.8431
Max Input Power: 700 kW
Max Input Torque: 3300 N.m

One Input Two Output ZQC4229

One Input Three Output ZQC4236

Model: ZQC4236
Ratio: 0.6604、0.7255、0.76、0.7959、0.8723、0.9556
Max Input Power: 650 kW
Max Input Torque: 3000 N.m

One Input Two Output ZQC4229

One Input Three Output ZQC4235

Model: ZQC4234
Ratio: 0.6572、0.7586、0.8710、1.1481、1.32、1.5217
Max Input Power: 530 kW
Max Input Torque: 2300 N.m

One Input Two Output ZQC4229

One Input Four Output ZQC4249

Model: ZQC4249
Ratio: 0.7500、0.8833、0.9483、1.1321、1.2157、1.4889
Max Input Power: 900 kW
Max Input Torque: 4800 N.m

One Input Two Output ZQC4229

One Input Four Output ZQC4247

Model: ZQC4247
Ratio: 0.7091、0.8431、0.9787、1.186、1.2927、1.5135
Max Input Power: 700 kW
Max Input Torque: 3300 N.m

One Input Two Output ZQC4229

One Input Four Output ZQC4245

Model: ZQC4245
Ratio: 0.7576、0.8125、0.9661、1.2308、1.4167
Max Input Power: 530 kW
Max Input Torque: 2300 N.m

Other Transfer Cases

ZQC4312350 Nm
ZQC43153000 Nm1100 Nm
ZQC43162400 Nm
ZQC4322800 Nm1100 Nm
ZQC4357750 Nm
ZQC4363200 Nm
ZQC449632000 Nm2200 Nm
ZQC449732000 Nm2200 Nm
ZQC463215000 Nm

Model

Torque/Nm

05000100001500020000250003000035000
Direct DriveMotorLarge MotorSmall MotorTravelPumping


ZQC4312

ZQC4312

Model: ZQC4312
Max Input Torque: 350 Nm
Max Input Speed: 450 rpm

ZQC4312

ZQC4315

Model: ZQC4315
Max Input Torque: Direct Drive / 3000 Nm
Max Input Speed: Direct Drive / 2500 rpm

ZQC4312

ZQC4316

Model: ZQC4316
Max Input Torque: 2400 Nm
Max Input Speed: 3600 rpm

ZQC4312

ZQC4322

Model: ZQC4322
Max Input Torque: Large Motor / 800 Nm
Max Input Speed: 5000 rpm

ZQC4312

ZQC4357

Model: ZQC4357
Max Input Torque: 750 Nm
Max Input Speed: 2500 rpm

ZQC4312

ZQC4363

Model: ZQC4363
Max Input Torque: 200 Nm
Max Input Speed: 9000 rpm

ZQC4312

ZQC4496

Model: ZQC4496
Max Input Torque: Travel / 32000 Nm
Max Input Speed: 2700 rpm

ZQC4312

ZQC4497

Model: ZQC4497
Max Input Torque: Travel / 32000 Nm
Max Input Speed: 2700 rpm

ZQC4312

ZQC4632

Model: ZQC4632
Max Input Torque: 15000 Nm
Max Input Speed: 2500 rpm

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