Manual Transmission Reverse Gear Shaft

Reverse gear has the most special operating conditions in a gearbox-the vehicle is stationary when forced into mesh, resulting in high impact loads. And although usage frequency is not high, every use is accompanied by impact. The reverse gear shaft is the core support component under these special conditions-it must provide a stable rotation center for the reverse gear while withstanding the impact and vibration during meshing. Once the shaft deforms or wears, reverse gear will produce noise, sticking, or even gear grinding. We make Manual transmission reverse gear shafts to get this low-frequency, high-impact component right.

We use 40Cr or 42CrMo alloy steel as the base material. After quenching and tempering, core hardness is HRC 28–32-tough and impact-resistant. Journal surfaces in contact with gears are induction-hardened or nitrided to hardness above HRC55 for wear resistance. Shaft straightness within 0.01mm, journal roundness within 0.003mm, surface roughness below Ra0.4μm, ensuring stable gear rotation with minimal eccentric loading. Shaft ends can feature lubrication grooves, locating holes, weight-reduction holes, etc., customized per drawing. Manual transmission reverse gear shafts are used in reverse gear mechanisms of manual gearboxes in passenger vehicles, commercial vehicles, forklifts, and agricultural machinery. Every shaft undergoes full dimensional and hardness inspection before shipping, with critical journals 100% inspected. Years of gearbox shaft parts manufacturing, stable process. After years of making Manual transmission reverse gear shafts, we have found that the key to reverse gear shafts lies in journal wear resistance and straightness-withstanding impact without deformation, reverse gear stays stable. Send us your drawings; sample first.

● Passenger and commercial vehicle manual gearboxes

● Forklift and agricultural machinery gearboxes

● Reverse gear mechanism support parts

● Industrial gearbox gear shafts

Established in 2009, making metal parts in Yuhuan, Taizhou. Workshop with CNC lathes, external cylindrical grinders, centerless grinders, heat treatment equipment-shaft parts from blank forging, quenching/tempering, turning, grinding to surface treatment, all in one line. Plant over 5,000 sqm, 60+ employees, 100+ CNC machines. Monthly capacity 10,000–150,000 pieces depending on complexity; rush orders accommodated with overtime. No reliance on subcontractors, delivery and quality self-controlled. Supplied shaft parts to OEMs.

Customization from drawings and samples supported. Shaft diameter, length, shoulder position, lubrication grooves, locating holes, weight-reduction holes all adjustable per drawing, no strict MOQ. Materials: 40Cr, 42CrMo, 45# steel, etc. Heat treatment (quenching/tempering, induction hardening, nitriding) determined per operating condition. Custom samples typically 15–20 working days, shorter for simple processes. Small sample fee charged, fully deductible against bulk orders. Sample first to confirm dimensions and hardness, then batch.

Operating under IATF 16949. Materials with material certificates and heat treatment reports. Journals: hardness testing (HRC55+) and roundness testing (within 0.003mm); straightness with dial indicator (within 0.01mm); surface roughness below Ra0.4μm. Critical journals 100% inspected; sampled pieces go to CMM for full dimensional verification. Issues traceable to specific process and batch. Third-party inspection per customer specification accepted, reports accompany goods.

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