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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

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$199.95

$ 94 .99 $94.99

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About this item

Gear Ratio: 1:1.47 speed up gear ratio for use on 5' and larger diameter rotary cutters.
Input and Output Shaft Diameter: 1-3/8” - 6 spline input shaft with 12 tapered spline output shaft
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
Lubrication: We ship our gearboxes dry; lubrication is not included. The gearbox requires 16 ounces of 80-90W gear lube or equivalent
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

Product Description

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

Gear Ratio: 1:1.47 speed up gear ratio for use on 5' and larger diameter rotary cutters.
Input and Output Shaft Diameter: 1-3/8” - 6 spline input shaft with 12 tapered spline output shaft
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
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
Gearboxes are shipped dry and require 16 ounces of 80-90W gear lube or equivalent.
LUBRICANT IS NOT INCLUDED
HUB IS INCLUDED

Count on us at Jeremywell to provide high-quality agricultural replacement parts that you can rely on. Our new gearbox is a powerful replacement option for Bush Hog, Comer, and other light duty rotary cutter machines. Equipped with an 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, making it the perfect fit for most light, standard, and medium-duty rotary cutters. Includes Replacement Stump Jumper / Flywheel 12 Splined Hub. With up to 40HP, an input RPM of 540, output RPM of 794 and a max torque of 446 Nm this gearbox offers flexibility, efficiency, and accuracy with every cut. 1:1.47 speed up gear ratio allows you to use it on rotary cutters over 5 feet in diameter while maintaining accuracy. The gearbox features high-speed ball-bearing units and heat-treated gears and shafts to ensure longevity, along with a blade carrier mounting nut and cotter pin. It's a perfect replacement option for an old or broken rotary cutter gearbox. This gearbox is compatible with a variety of rotary cutter machines, please see our fitment list below.

Specifications

Gear Ratio	1:1.47
Input Shaft Diameter	1-3/8” – 6 spline
Shear Bolt Hole	1/2"
Output Shaft Diameter	1.47" - 12 tapered spline
Horsepower	40HP
Mount	4-bolt mounting
Bolt Pattern	4-3/4"

Rotation	CCW (counterclockwise)
Flywheel 12 Splined Hub	Included
Castle Nut	15/16"
Input RPM	540
Output RPM	794
Max Torque	446 Nm

Replaces the Following Brands/Part Numbers:

Our Jeremywell Gear Box fits Bush Hog Model RZ160 & RZ60 Mower, Bush Hog Part Number 81444.

Replaces the following brands/part numbers:

Comer : U920580000, U9.135.800.10, U9.205.800.00, U913580010, 9.119.000.20, 9.135.000.20, 911900020, 913500020, 101ST
N Hico: 45PRC30147
Bush Hog: 81444
Land Pride: 826-384C

Fits Brands & Models:

Bush Hog Rotary Cutter : RZ160, RZ60, 81444
Hico/Howse: 500C (2003 & Above)
Land Pride Rotary Cutter: RCR1672 (S/N 377687 & Above), RCR1872
Kodiak Rotary Cutter: ST60, ST72
RD5, RD6, RZ160, RZ60 – Gearbox Assembly P/N 00786192.
Razorback Series BH4, BH5, BH6, BH4-2, BH5-2, BH6-2
Howse 500 & 5' M Series King Kutter Modern 6' Competitor & Sunshine Mohawk Brave 4, 5 & 6 Sidewinder GM 60 & 72, EZCut 60, LX 60 & 60R
BMB B-42,B-4, B-5,B-400 (late models) SPECIAL 5, SPECIAL 6, UTILITY (late models). HARDEE C-52-LT, C-60-LT, SOME ECONOMY SERIES, SOME PANTHER SERIES, Many HOWSE mowers, RHINO SE-5 (some models) SE-6 (some models), EC60, EC72, SOUTHEAST IMCO BIGOX, RC40, RC48, RC60, TC4, TC5, TRAILBLAZER

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!

keith collins

2025-08-15 12:25:30

this gearbox is exactly like the one we are replacing the old one has lasted 25 plus years the new one took less than an hour to exchange add gear oil and we are back mowing terrific price and quick shipping kept us from being down for very long

Paul Guilfoil

2025-06-30 10:47:42

Product didn't fit my application but had to comment on what a great vendor this was. No hassles-just great service.

Terri baetz

2025-04-26 14:56:42

MATCHED PERFECTLY, HAVE NOT USED YET BUT FOR THE PRICE I CAN REPLACE EVERY COUPLE OF YEARS. FIT ON AN OLD MOWHAWK BRAVE MOWER. HOPE THE SAND IN THIS COUNTRY DOES NOT EAT IT UP. BUT WOULD RECOMEND.

glen

2025-03-09 16:58:37

Installed have used several times so far very happy

larryamembrelopez2012

2025-02-13 10:28:36

Recibido y sin problema

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