Transmission Main Shaft Helical Gear
Precision forged 20MnCr5 alloy steel main shaft gear with CNC ground tooth profiles.
Factory Specifications
Detailed Technical & Metallurgical Documentation
Heavy Duty Automotive Transmission Main Shaft Gear
Manufactured by Pee Six Gears (Jagdish Automobiles) using certified 20MnCr5 alloy steel with precision sealed atmosphere gas carburizing to achieve surface hardness of 58-62 HRC.
#### Key Engineering Highlights
- Metallurgy: Case-hardening forged alloy steel (20MnCr5 / SAE 8620)
- Tooth Profile: CNC Hobbed and shaved tooth profile for whisper-quiet engagement
- Core Toughness: High impact resistant core (32-38 HRC) preventing tooth shear
- Warranty: Full 100% Replacement Guarantee against manufacturing flaws
- Vehicle Compatibility: Tata Ace, Tata 407, Tata Sumo, Mahindra Bolero, Scorpio, Maxximo, Maruti Omni, 800, Gypsy
| Technical Parameter | Specification |
|---|---|
| Steel Grade | 20MnCr5 / DIN 1.7147 |
| Case Hardness | 58 - 62 HRC |
| Effective Case Depth | 0.8 mm - 1.2 mm |
| Tolerance Grade | DIN 3962 Class 6 |
| Application | Light & Medium Commercial Vehicles |
Related Transmission Gears and Parts Components
Precision Synchronizer Rings Set
SKU: PSG-TM-002
High tensile manganese bronze synchronizer rings engineered for smooth, chatter-free gear changes.
Heavy Duty Gear Shift Fork
SKU: PSG-TM-003
Forged steel gear selector fork heat-treated to resist deflection and sleeve wear.
Sliding Sleeve & Input Shaft Gear
SKU: PSG-TM-004
Internal splined sliding sleeve and input shaft gear pair with chamfered dog teeth.
Countershaft Transmission Cluster Gear
SKU: PSG-TM-005
One-piece forged countershaft cluster gear engineered for commercial gearboxes.