Gearbox Series
Fast Gear
Shaanxi Fast Auto Drive Co. Ltd. (Shaanxi Fast Gear) is recognized as the world's largest manufacturer of heavy-duty fast gear transmission and fast gearbox systems, leveraging over five decades of expertise in R&D and manufacturing. The company's massive output includes over one million transmission units annually. Their extensive product range covers transmissions such as Hydraulic AT, AMT, S-Series, and models for Buses and Light-Duty Trucks, along with components like Hydraulic Retarders and Clutches. Fast Gear maintains a dominant global footprint with a market share exceeding 70% and a market volume of over seven million units across more than ten countries, including the USA, Australia, and India. In India, Weichai works with fleet operators as an established gear manufacturer and one of the trusted gearbox manufacturers serving the on-road and off-road segments. Our Fast Gear lineup includes truck gearbox and bus gearbox options built for heavy-duty trucks and passenger buses, giving dealers and gearbox suppliers across the country a reliable, India-ready transmission partner.
Gearbox Repair & Genuine Spare Parts Support
Weichai India also supports fleet owners with gearbox repair guidance and genuine gearbox spare parts sourced through Shaanxi Fast Gear's authorised network, minimising downtime for trucks and buses running on our transmissions. Alongside the Hande axle range, our Fast Gear systems are backed by trained service partners across India, and relying on genuine spare parts ensures long-term performance and smoother gearbox repair cycles.
TECHNICAL INFORMATION
Gear boxes - AMT
| Model | Power(kW) | Torque(Nm) | Speed(RPM) | Weight(kg) |
| FHB320 | – | 3200 | 2800 | – |
| FH400B | – | 4000 | 2800 | 102 |
| C16JZSDQXL220 | 380 | 2200 | – | 291 |
| FC6A210/FC6A250 | – | – | 2100 | – |
| FC6A140/FC6A180 | – | – | 2400 | – |
| FC8A120 | 147 | 800 | – | – |
Gear boxes – New energy
| Model | Power(kW) | Torque(Nm) | Speed(RPM) | Weight(kg) |
| FJXBL360/FJXBL400/FJXBL1100 | – | 230 | 9000 | 34.5 |
| 5HS90T | 191 | 900 | – | 200 |
| 5DS70B/5DS80B | 140 | 700 | – | 145 |
| 4E50/4E100 | 100 | 500 | – | 45 |
Gear boxes – Heavy duty application
| Model | Sub-Model | Power(kW) | Torque(Nm) | Ratio Range | Speed(RPM) | Length(mm) | Weight(kg) | Oil Volume |
| C16JSDQXL220T | 380 | 2200 | 17.09-1 | 2600 | 960 | 291 | 15 L | |
| C16JSDQXL220TA | 380 | 2200 | 14.13-0.83 | 2600 | 960 | 291 | 15 L | |
| C16JSDQXL250TA | 410 | 2500 | 14.13-0.83 | 2600 | 960 | 291 | 15 L | |
| C16JSDQXL260T | 420 | 2600 | 14.56-1 | 2600 | 960 | 291 | 15 L | |
| C12JSDQXL220T | 380 | 2200 | 15.7-1 | 2600 | 960 | 299 | 15 L | |
| C12JSDQXL220TA | 380 | 2200 | 12.26-0.78 | 2600 | 960 | 299 | 15 L | |
| C12JSDQXL250TA | 410 | 2500 | 12.26-0.78 | 2600 | 960 | 299 | 15 L | |
| C12JSDQXL220T | 420 | 2600 | 14.09-1 | 2600 | 960 | 299 | 15 L | |
| C9JSQXL110T | 210 | 1100 | – | 2600 | 821 | 197 | – | |
| C6DSXL80T | 147 | 800 | – | 2600 | – | 162 | 9L | |
| C6DSXL110T | 210 | 1100 | – | 2600 | – | 177 | 10L | |
| 16JSD180T/16JSD200T/16JSD240T | 331 | 1800 | – | – | – | 270 | – | |
| 16JSD180TA | 331 | 1800 | – | – | – | 270 | 19L | |
| 16JSD200TA | 355 | 2000 | – | – | – | 270 | 19L | |
| 16JSD240TA | 400 | 2400 | – | – | – | 270 | 19L | |
| 12JSDX160T/12JSDX180T/12JSDX200T | 285 | 1600 | – | – | – | 255 | – | |
| 12JSDX160T | 285 | 1600 | – | – | – | 255 | 15L | |
| 12JSDX180T | 331 | 1800 | – | – | – | 260 | 16L | |
| 12JSDX200T | 355 | 2000 | – | – | – | 260 | 16L | |
| 10JSD160T | 285 | 1600 | – | 2600 | – | 330 | 14.5L | |
| 10JSD180T | 331 | 1800 | – | 2600 | – | 330 | 14.5L | |
| 10JSD120T | 220 | 1200 | – | 2600 | – | 300 | 12L | |
| 10JSD140T | 250 | 1400 | – | 2600 | – | 300 | 12L | |
| 9JS180T/9JS200T/9JS240T | 331 | 1800 | – | – | – | 330 | – | |
| 9JS180TA | 331 | 1800 | – | – | – | 330 | 14L | |
| 9JS200TA | 355 | 2000 | – | – | – | 330 | 14L | |
| 9JS240TA | 400 | 2400 | – | – | – | 330 | 14L | |
| 8JS105T/8JS125T/8JS160T | 209 | 1050 | – | – | – | 235 | – | |
| 8JS105TA | 209 | 1050 | – | – | – | 235 | 10L | |
| 8JS125TA | 230 | 1250 | – | – | – | 235 | 10L | |
| 8JS160TA | 285 | 1600 | – | – | – | 235 | 10L | |
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