MAZDA Main Shaft B1600, R505-17-221B

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汽車品牌

道奇都卡多伊頓福特通用汽車日野本田五十鈴吉普起亞馬自達賓士三菱日產豐田富豪采埃孚

手動變速箱

AX15/R151 AX5 B1600 B16A/B18C BT-50 C510 DYNA BU SERIES FS5W71 G52 HINO 300 HINO 500 FS6M HINO500 MX06L HINO700 MO09 K20 M20/M21/M22 M40 M5R1 M5R2 MLGU MT75 MT82 NP535 NSG370 NV3500 NV3550 NV4500 NV5600 PF6 R380 S542 S650 T10 T4 T5 Type RA Type9 VTM6 W56 W59

農業變速器齒輪

叉車 / 推高機齒輪

客製化齒輪

賽車齒輪組

D-MAX G56 R154 R35 S-14 Y61

齒輪分動箱

NP205 NP231/NP241 NP261/NP263 NP271/NP273

MAZDA Main Shaft B1600

Description

Purpose-built main shaft for the B1600 manual gearbox. Critical splines, journals, and shoulders are machined to OE geometry to carry the 1st–5th/Reverse gears and synchronizers and transmit torque to the output section. Manufactured from alloy case-hardening steel, carburized & quenched and precision-ground for controlled concentricity and runout, it delivers stiffness, durability, and low NVH over long duty cycles. Installs as a true drop-in; best serviced together with bearings, seals, and synchronizer components.

Specification

Teeth Count: 32 / 32 / 31 / 25 T

Interfaces: Front/rear splines and synchronizer shoulders to OE spec

Material: Alloy case-hardening steel, SCM415 / SAE 8620 (or equivalent)

Heat Treatment: Carburized & quenched

Surface Hardness: HRC 58–62 (tough core retained)

Manufacturing: CNC machining; journals & locating faces precision-ground; spline rolling/broaching; deburring