Automotive Gearboxes
Source automotive gearboxes from India's verified manufacturers and exporters on Himalay. Browse manual transmission gearbox, differential gearbox, CVT gearbox and EV gear reduction drive for industrial and export applications.
Browse Automotive Gearboxes by Type
About Automotive Gearboxes
Automotive gearboxes are the transmission and driveline gear units that match an engine or electric motor's speed and torque to the road wheels. In a powertrain the gearbox provides the speed reduction and, in multi-speed units, the ratio steps that keep the prime mover near its efficient operating band, while the final drive and differential split torque to the wheels and allow them to turn at different speeds in a corner. Designs are predominantly parallel-shaft (manual and many automatics), planetary (step automatics), variable-ratio (CVT), or single-stage reduction (most EVs), with hypoid or spiral-bevel gears at the final drive.
The category covers several distinct types. Manual transmissions use constant-mesh helical gears with synchroniser rings, typically 5 or 6 forward ratios spanning roughly 3.5:1 in first to 0.7-0.9:1 in top, plus a final drive of about 3.5:1 to 4.5:1. Differential and final-drive units carry crown-wheel-and-pinion sets, commonly hypoid, at ratios near 3:1 to 5:1. CVTs deliver a continuous ratio span (often around 6:1 overall) via a belt or chain on variable pulleys. EV reduction drives are typically a fixed single-speed unit at roughly 7:1 to 12:1, achieved in two parallel helical stages or one planetary stage. Gears are rated to AGMA/ISO 6336 principles with quality grades to ISO 1328.
Construction centres on case-hardened alloy steel gears (20MnCr5, 18CrNiMo7-6) with ground profiles, aluminium or cast-iron housings, tapered or ball/needle bearings, and synthetic gear oils. Configuration covers ratio set, shaft and spline interfaces, mounting and bell-housing pattern, lubrication and cooling, and NVH targets.
Himalay's MSME partners manufacture automotive gear components and assemblies with gear-rating to AGMA/ISO 6336, ISO 9001 (and IATF 16949 where applicable) quality systems, load/efficiency and durability test reports and traceability; CE (Machinery Directive) where the unit ships as machinery, ATEX/IECEx for special duty, and SABER (Saudi Arabia) coordinated as part of the standard order flow.
