New Replacement gearbox. As always, please check dimensions against what we have to ensure it to be correct! With older and used machines, it is not uncommon for a person to have placed something unlike the original onto the machine!

Note: Actual Gearbox may have a rounded housing or square as shown, depending on current availability, all internal parts are interchangeable and specifications for both boxes are identical!

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" Diameter X Smooth input shaft for a shearbolt, and 1.57" 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, 4-3/4" Centers. Each gearbox includes blade carrier mounting nut and cotter pin. Gearboxes are shipped dry and require 16 ounces of 80-90W gearlube or equivalent.

Part DNE-40hp-SB/250001

Shipping Information

Bidder pays for all shipping charges.
Seller will combine multiple winning bids to save bidder money on shipping.

Bidder pays for all shipping charges.
Seller will combine multiple winning bids to save bidder money on shipping.
Items will be insured for the bid price.
Our warehouse hours are Monday – Friday 8:00am – 5:00pm

Please call before you come to verify items are in stock, we try to keep all advertised items in stock at all times

but we would hate to have you visit us and not have the item you are looking for when you get here!

Payment Terms

High bidder prepays and adds for above shipping and handling charges.
We accept money orders, personal checks, paypal.

Items must be paid in full within 10 days of auction end.
Personal check orders held 10 days or until check clears.

Ohio Residents Only

State of Ohio residents must add 7.25% state sales tax.
Both product and shipping and handling charges are subject to state sales tax
If this auction is for farm use you can fill out a farm use tax exemption certificate and no sales tax will be applied.
Farm use tax exemption certificates must be on file before we ship or sales tax will be applied.

Return Policy

Your complete satisfaction is important to us.
We have a simple return and refund policy.

All returns are subject to a 10% restocking fee.
Bidder is responsible for all shipping charges on returned merchandise.

Please ask questions before you bid, we would rather you get the right part the first time! It saves us both time and money to make sure we have the right item for your needs!

All returns must be insured when returned; we will not refund items that are damaged when returned.
All returns must be within 30 days of auction end.
All refunds will be for full bid price paid less 10% restocking charge.

40hp Shear Bolt Rotary Cutter Gearbox, 12 Spline Output Shaft