Category Archives: gearbox

Sep 5 2026

40 HP Gearbox 1-3/8 6-Spline Input 11.47 Ratio 540/1000 RPM for Rotary Cutter

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40 HP Gearbox 1-3/8 6-Spline Input 1:1.47 Ratio 540/1000 RPM for Rotary Cutter. The 40 HP Rotary Cutter Gearbox is a heavy-duty replacement gearbox engineered for rotary cutters and brush mowers requiring dependable power transmission and long service life. Featuring a 1-3/8-inch 6-spline input shaft, 1-9/16-inch tapered 12-spline output shaft, and a 1:1.47 gear ratio, […]

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May 6 2026

Gearbox for 2510 11.47 Speed up Ratio 1-3/8 21 Spline Input Shaft 88306 NEW

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This Gearbox is a 1:1.47 Speed up Ratio, with 1-3/8″-21 Spline input shaft, and 2″ 15 Spline Tapered Output Shaft. For Bush Hog 2510 Model Side Gearbox. Before Purchasing, please carefully check the OEM part number and illustrations to make sure it is compatible with your model. We are always here to solve any problems […]

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Dec 8 2025

Gearbox 401-0007, Ratio 1147, 1 3/8 Smooth, 1/2 Shear Pin Input, 12 Spline

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1:1.47 SU(speed up) ratio drop-in replacement gearbox. Please Look at all pictures. One (1) Brand New Gearbox 1:1.47 SU (speed up) ratio for rotary cutter. 1-3/8″ diameter smooth input shaft with ½” shear bolt hole. The output shaft has 12 tapered splines 1.57 diameter. 4 bolt mounting pattern is 6-3/4″ diagonally center to center hole […]

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Sep 19 2025

Gearbox 60mm 4-7/8 Shaft 14 Spline, 44mm 4-1/8 Shaft 20 Spline, 6 Bolts

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GENERATIONAL SALES TERMS AND CONDITIONS. Please review the entire description and see all pictures before purchasing. Item will come as pictured. Please see all pictures before purchasing to ensure the item meets your expectations. Item may have minor scratches, scuffs, or dings. Any more serious damages will be pictured and/or listed in the above description. […]

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Nov 14 2024

Gearbox 60mm 4-7/8 Shaft 14 Spline, 44mm 4-1/8 Shaft 20 Spline, 6 Bolts

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GENERATIONAL SALES TERMS AND CONDITIONS. Please review the entire description and see all pictures before purchasing. Item will come as pictured. Please see all pictures before purchasing to ensure the item meets your expectations. Item may have minor scratches, scuffs, or dings. Any more serious damages will be pictured and/or listed in the above description. […]

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Jun 20 2024

100 HP Gearbox T-Style 1-3/8 6 Spline Input & Output Shaft For 8′ & 10′ Cutters

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For 8′ and 10′ Dual Spindle Rotary Cutters. Mounting Pattern (4) – 5/8″ Holes x 6″ Across x 3-1/4″ Center to Center Input/Output Shaft: 1-3/8″ Splined Gear Ratio: 1:1.21. Add to Favorite Sellers. 100 HP Gearbox T-Style 1-3/8″ 6 Spline Input & Output Shaft For 8′ & 10′ Cutters Mounting Pattern (4) – 5/8″ Holes […]

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May 12 2024

Gearbox 60mm 4-7/8 Shaft 14 Spline, 44mm 4-1/8 Shaft 20 Spline, 6 Bolts

Gearbox_60mm_4_7_8_Shaft_14_Spline_44mm_4_1_8_Shaft_20_Spline_6_Bolts_01_drz

GENERATIONAL SALES TERMS AND CONDITIONS. Please review the entire description and see all pictures before purchasing. Item will come as pictured. Please see all pictures before purchasing to ensure the item meets your expectations. Item may have minor scratches, scuffs, or dings. Any more serious damages will be pictured and/or listed in the above description. […]

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Apr 26 2024

Gearbox 60mm 4-7/8 Shaft 14 Spline, 44mm 4-1/8 Shaft 20 Spline, 6 Bolts

Gearbox_60mm_4_7_8_Shaft_14_Spline_44mm_4_1_8_Shaft_20_Spline_6_Bolts_01_wem

GENERATIONAL SALES TERMS AND CONDITIONS. Please review the entire description and see all pictures before purchasing. Item will come as pictured. Please see all pictures before purchasing to ensure the item meets your expectations. Item may have minor scratches, scuffs, or dings. Any more serious damages will be pictured and/or listed in the above description. […]

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Sep 18 2022

100 HP Gearbox T-Style 1-3/8 6 Spline Input & Output Shaft For 8′ & 10′ Cutters

100_HP_Gearbox_T_Style_1_3_8_6_Spline_Input_Output_Shaft_For_8_10_Cutters_01_nj

For 8′ and 10′ Dual Spindle Rotary Cutters. Mounting Pattern (4) – 5/8″ Holes x 6″ Across x 3-1/4″ Center to Center Input/Output Shaft: 1-3/8″ Splined Gear Ratio: 1:1.21. Add to Favorite Sellers. 100 HP Gearbox T-Style 1-3/8″ 6 Spline Input & Output Shaft For 8′ & 10′ Cutters Mounting Pattern (4) – 5/8″ Holes […]

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