Specification Brand : Jeremywell BulletPoint1 : Gear Ratio: 1:1.47 speed up gear ratio for use on 5' and larger diameter rotary cutters. BulletPoint2 : Input and Output Shaft Diameter: 1-3/8” - 6 spline input shaft with 12 tapered spline output shaft BulletPoint3 : Power Rating: This gear box has an input RPM of 540, output RPM of 794 with a max torque of 446 Nm, and has a counterclockwise rotation BulletPoint4 : Lubrication: We ship our gearboxes dry; lubrication is not included. The gearbox requires 16 ounces of 80-90W gear lube or equivalent BulletPoint5 : Mounting: Four-bolt mounting matches industry standards, each gearbox includes a blade carrier mounting nut and cotter pin. Includes replacement stump jumper / flywheel 12 splined hub ExternallyAssignedProductIdentifier : 3593539686595 ExternallyAssignedProductIdentifier1 : 843718106554 ExternallyAssignedProductIdentifier2 : 0843718106554 GpsrSafetyAttestation : 1 IncludedComponents : inc ItemName : Jeremywell RC-30 Rotary Cutter Gearbox 1-3/8" - 6 Spline Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper/Flywheel 12 Splined Hub ItemPackageDimensions_Height : 40.132 centimeters ItemPackageDimensions_Length : 21.844 centimeters ItemPackageDimensions_Width : 30.988 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-gearboxes Manufacturer : Jeremywell Material : HDF + Cold Rolled Steel ModelName : gear ModelNumber : RC-30 NumberOfItems : 1 OperationMode : Manual PartNumber : RC30-6SWH PowerSourceType : manual ProductDescription : Jeremywell RC-30 Gearbox 1-3/8? - 6 Spline Input Shaft, 1:1.47 Ratio with 12 Tapered Spline Output Shaft - Includes Replacement Stump Jumper / Flywheel 12 Splined Hub Description: This gearbox features a 1:1.47 Speed Up gear ratio for use on 5' and larger diameter rotary cutters. Industry-standard 1-3/8 - 6 Spline diameter input shaft with 1/2 shear bolt hole and retaining ring groove and 1.47 diameter 12 tapered spline output shaft allow fitment to most light, standard, and medium-duty rotary cutters. Each gearbox features high-speed ball-bearing units and heat-treated gears and shafts to ensure long life. Four-bolt mounting matches industry standards. Each gearbox includes a blade carrier mounting nut and cotter pin. Gearboxes are shipped dry and require 16 ounces of 80-90W gear lube or equivalent. For more information or additional parts please contact us. LUBRICANT IS NOT INCLUDED Our Jeremywell Gear Box fits Bush Hog Model RZ160 & RZ60 Mower, Bush Hog Part Number 81444. Our gearbox also replace the following brands/part numbers: U920580000 Comer U9.135.800.10 Comer U9.205.800.00 Comer U913580010 Comer 9.119.000.20 Comer 9.135.000.20 Comer 911900020 Comer 913500020 Comer 45PRC30147-N Hico 81444 Bush Hog 826-384C Land Pride 101ST Comer Fits Brands & Models: Bush Hog Rotary Cutter : RZ160 Bush Hog Rotary Cutter: RZ60 Hico/Howse: 500C (2003 & Above Land Pride Rotary Cutter: RCR1672 (S/N 377687 & Above Land Pride Rotary Cutter: RCR1872 Kodiak Rotary Cutter: ST60 Kodiak Rotary Cutter: ST72 We also carry the same Gear Box with 1 3/8'' Smooth Input Shaft Note: Actual Gearbox may have a rounded housing or square as shown. All internal parts are interchangeable and the specifications for both boxes are identical! ProductSiteLaunchDate : 2020-06-22T06:20:26.008Z Size : 100RPM Speed : 100 rpm Style : Gaming SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 26111500 Voltage : 12 volts