https://businessindustrialspline.org Thu, 02 Jul 2026 18:05:43 +0000 en-CA hourly 1 https://wordpress.org/?v=4.1.1 https://businessindustrialspline.org/replacement-gearbox-826-203c-for-finish-mower-12-5-su-with-1-38-6-splines/ https://businessindustrialspline.org/replacement-gearbox-826-203c-for-finish-mower-12-5-su-with-1-38-6-splines/#comments Sat, 23 Aug 2025 18:12:43 +0000 https://businessindustrialspline.org/replacement-gearbox-826-203c-for-finish-mower-12-5-su-with-1-38-6-splines/














Replacement RC28 -R- 1:2.5 SU with 1-3/8 6 Spline. Please Look at all pictures. One (1) Brand New rotary cutter gearbox replacement that will fit like the 826-203C. 28hp rated, 1-3/8 – 6 spline input shaft with. 1.248” (31.7mm). Smooth keyed output shaft, 1:2.5 speed up ratio. 1-3/8 – 6 spline input shaft. 1.248” (31.7mm) output shaft with 1/4 key way hole (Key not included). 1:2.5 Ratio (speed up). Clockwise in/ clockwise out rotation. 4 bolt mounts on 6 ¾ diameter center to center spacing (diagonally). This gearbox may fit many rotary cutters from different manufacturers including. May fit and replaces 826-203C.

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