Heavy Duty 40 HP Rotary Cutter Gearbox With One And Three Eighths Inch Smooth Input Shaft Cast Iron Housing 540 To 1000 Max RPM CCW To CW One To One Point Four Seven Ratio Fits Four To Six Foot Cutters
UPC:
✔️ 40 HP gearbox, 1-3/8 input, 1:1.47 ratio, 540/1000 RPM
This heavy duty rotary cutter gearbox is designed to replace OEM gearboxes on 4 to 6 ft cutters, delivering steady power with a sealed cast iron housing and a piloted flange bottom for a precise fit on mower decks.
✅ 40 HP input power
✅ Input speed: 540/1000 RPM
✅ Input shaft: 1-3/8" smooth with 1/2" shear hole
✅ Output shaft: 1-9/16" tapered 12-spline
✅ Gear ratio: 1:1.47, CCW to CW
✅ Bolt pattern: 4-3/4" square for 5/8" bolts
✅ Mounting plate: four bolt holes, 4.75" square
✅ Cast iron housing sealed to protect gears and bearings
✅ Piloted flange bottom fits 5-1/4" pilot hole
✅ Ships without oil (16 oz 80-90W)
💡 What is a rotary cutter gearbox used for? This handy unit converts tractor PTO power into blade drive for mowing and field work. - Transmits PTO power to blade drive and cutter blades - Maintains blade speed with gear ratio and RPM range - Sealed cast iron housing protects gears from dirt and moisture - Piloted flange bottom and bolt pattern ensure secure fit on 4-6 ft decks
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