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Toyota Forklift Transmission Counter Shaft
Description
Purpose-built countershaft assembly for the Komatsu FD25 forklift. The shaft and helical gears are machined as a single unit to OE ratios and geometry. Precision-hobbed teeth with edge relief and ground journals/faces deliver rigid mesh and low NVH under heavy-duty, low-speed cycles. Manufactured from SCM415/SAE 8620 alloy case-hardening steel and carburized & quenched to HRC 58–62 for superior wear and pitting resistance. Concentricity, runout, and lead/profile error are held to OE tolerances for a true drop-in during overhaul. Verify by transmission tag/VIN for year/version differences.
Specification
Tooth Count: Per OE specification
Material: SCM415 / SAE 8620 alloy case-hardening steel (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62 (tough core retained)
Manufacturing: CNC turning/milling; precision hobbing; edge-relief deburring; journals & faces precision-ground
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Model：KOM FD 25
