• Use for tractors or equipment
that can go up to 250 HP or 275 HP at 1000 rpm like
a reducer or an accelerator . Ideal for snow blower
or industrial machinery when direction of rotation
must stay the same.
• This gearbox is ideal for replacing the chain
cases because it is more efficient, more quiet and
• Machined precisely on CNC machines, cast iron
housing with fins to assure good cooling and excellent
• All 3 helical gears are made of alloy steel.
These gears are heat treated to make them more resistant
to wear and impact in case of a sudden jam .
• High efficiency of 97-98%. Quiet running and
• Standard ratio 1:1, 1.78:1, and 1.86:1. Other
ratio are available on special order.
• Male input shaft 1 ¾
• Female output 1 3/4 –20 splines or 2”
• 6 tapered roller bearings for high performance
and durability. To facilitate a precise adjustment
of each pair of tapered roller bearing, we designed
a cover for each of the 3 rotation axis. These covers
increase the impact resistance and make it easier
for the maintenance or the eventual repair.
• Double lips rubber seals. Inspected and leak
tested before shipping.
• 9 machined mounting post threaded ½-13
UNC on each side of gearbox to facilitate adequate
• One year warranty against manufacturing defects.
• Use 80w90 gear oil. Shipped without oil.
• Approximate weight of 220 pounds