Zhejiang Zomax Transmission Co., Ltd.

A transverse automotive transmission platform for front-engine front-wheel-drive passenger vehicles, one of the company's core product lines, covering manual transmission (MT) supply needs from small to medium displacement passenger cars and supplied to major domestic vehicle manufacturers.

Layout: transverse FWD; Gear counts: 5-6 forward gears + 1 reverse; Max input torque: 200-400 N·m (platform coverage range)

• Front-engine front-wheel-drive passenger cars
• SUV models

A new energy drivetrain platform for battery-electric and hybrid vehicles, covering NEV reducers and hybrid drivetrain assemblies. The company operates a dedicated NEV reducer final assembly workshop and, through the Zhejiang Zomax New Energy Drivetrain Technology Research Institute, develops high-speed BEV reducer drivetrains featuring high-speed gearing and lightweight housing design.

Max input speed: above 12000 rpm (high-speed platform); Reduction ratio range: 8-12 (typical single-stage reduction); Noise: ≤75 dB(A) (NVH design target)

• Battery-electric passenger cars
• Plug-in hybrid passenger cars

A 5-speed manual transmission platform for longitudinal rear-wheel-drive vehicles with a maximum input torque of 230 N·m, mainly supplying pickups, off-road SUVs and light commercial vehicles.

Max input torque: 230 N·m; Gear counts: 5 forward gears + 1 reverse; Layout: longitudinal RWD

• Pickup trucks
• Off-road SUVs
• Light commercial vehicles

A 6-speed manual transmission platform for longitudinal rear-wheel-drive vehicles with a maximum input torque of 350 N·m; the six-speed layout balances power and fuel economy, supplying mid-to-high-end pickups and SUVs.

Max input torque: 350 N·m; Gear counts: 6 forward gears + 1 reverse; Layout: longitudinal RWD

• Pickup trucks
• Mid-to-high-end SUVs

A 5-speed manual transmission platform for longitudinal rear-wheel-drive vehicles with a maximum input torque of 350 N·m; it shares components with the 350Nm 6MT platform and supplies pickups, SUVs and other RWD models.

Max input torque: 350 N·m; Gear counts: 5 forward gears + 1 reverse; Layout: longitudinal RWD

• Pickup trucks
• SUVs
• Light commercial vehicles

A 6-speed manual transmission platform for longitudinal rear-wheel-drive vehicles with a maximum input torque of 400 N·m, the high-torque product within the company's MT platform range, supplying large-displacement pickups, off-road vehicles and light trucks.

Max input torque: 400 N·m; Gear counts: 6 forward gears + 1 reverse; Layout: longitudinal RWD

• Large-displacement pickups
• Off-road vehicles
• Light trucks

A six-speed automatic transmission platform comprising three models, ZMA612, ZMA613 and ZMA614, covering the 250-450 N·m torque range; the official website publishes the complete gear ratios of the six forward gears and reverse for each model.

ZMA612 max input torque: 250 N·m; ZMA613 max input torque: 350 N·m; ZMA614 max input torque: 450 N·m; ZMA612 1st gear ratio: 3.538; ZMA612 6th gear ratio: 0.582; ZMA612 reverse gear ratio: 3.168

• Passenger vehicles
• Commercial vehicles

A series of four-wheel-drive transfer case assemblies, including electronically controlled two-speed 4WD transfer cases that distribute transmission output power to the front and rear drive axles; the company develops the drivetrain of the electronically controlled two-speed 4WD transfer case through its New Energy Drivetrain Technology Research Institute.

Gear modes: 2H/4H/4L; Control type: electronic shifting; Transmitted torque: 250-400 N·m (platform typical)

• 4WD SUVs
• Pickup trucks
• Off-road vehicles

A series of gears for motorcycle transmission mechanisms and engines, the company's traditional strength product, supplied in volume to domestic and international motorcycle OEMs.

Machining accuracy: grade 6-7 (typical, GB/T 10095); Material: 20CrMnTi carburizing steel (typical); Tooth surface hardness: 58-62 HRC (typical, carburized and quenched)

• Motorcycle transmissions
• Motorcycle engines

A series of drive shaft gears for engine and transmission oil pumps, providing power transmission for oil pump assemblies as high-precision shaft-gear components.

Machining accuracy: grade 6 (typical); Module range: 1-3 (typical); Material: alloy structural steel (typical)

• Engine oil pumps
• Transmission oil pumps

A series of engine timing and accessory drive gears used in the engine's internal timing drive and accessory drive systems.

Machining accuracy: grade 6-7 (typical); Tooth surface hardness: 55-62 HRC (typical, carburized and quenched); Material: 20CrMnTi (typical)

• Automotive engines
• Timing drive systems

A series of planetary gearset gears used in the planetary gear arrangements of automatic transmissions and NEV reducers, produced as high-precision carburized and quenched gears.

Machining accuracy: grade 6 (typical); Tooth surface hardness: 58-62 HRC (typical, carburized and quenched); Structure: single/double planetary gearset (typical)

• Automatic transmission planetary gearsets
• NEV reducer planetary mechanisms

A series of high-speed gears for NEV vehicle reducers, adapted to high-speed motor operating conditions with gear accuracy and NVH performance requirements higher than those of conventional transmission gears.

Machining accuracy: grade 5-6 (typical for high-speed gears); Max applicable speed: above 12000 rpm (typical); Tooth surface hardness: 58-62 HRC (typical, carburized and quenched)

• NEV reducers
• Electric drive assemblies

A series of gears for agricultural machinery transmission boxes and drive axles; the company develops and supplies components and drivetrain systems for agricultural machinery.

Module range: 2-8 (typical); Tooth surface hardness: 52-58 HRC (typical); Material: 20CrMnTi/42CrMo (typical)

• Tractor transmission boxes
• Harvesting machinery
• Agricultural gearboxes

A series of gears and racks for steering systems, used in the steering linkages of manual steering gears and electric power steering systems.

Machining accuracy: grade 6-7 (typical); Tooth profile: helical/spiral teeth (typical); Tooth surface hardness: 52-58 HRC (typical)

• Electric power steering gears
• Manual steering gears

A series of gears and shaft gears for various automotive transmissions, including engagement dog teeth and gears matched with synchronizer rings; as the company's fundamental vehicle gear product line, it supplies both the company's own transmissions and external vehicle and gearbox manufacturers.

Machining accuracy: grade 5-7 (typical, GB/T 10095); Material: 20CrMnTi carburizing steel (typical); Tooth surface hardness: 58-62 HRC (typical); Noise: ≤75 dB(A) (NVH target)

• Manual transmissions
• Automatic transmissions
• NEV reducers