Application: Replaces OEM gearboxes on 4', 5' and some 6' rotary cutters by these manufacturers: Howse 350 & 400, King Kutter Mowers, Mohawk Brave 4', Modern 42", 4' & 5' Competitor and 4' & 5' Sunshine, Sidewinder SX42, LX50, GM 42 & 48 and others. Please check measurements for proper fitment.
Technical Info:
Bolt Pattern: 4-3/4" Square with holes for 5/8" bolt
Input Shaft: 1-3/8" Smooth with 1/2 Shear-hole
Output Shaft: 1-9/16" Tapered 12-spline
Input Power: 40 HP
Input Speed: 540/1000 RPM
Shaft Rotation: CCW to CW with 1:1.93 Ratio
Pilot Hole Size: 5-1/4"
Description
40 HP Rotary cutter gearbox with 1-3/8" smooth input shaft and a gear ratio of 1:1.93. Cast iron housing is sealed to protect the gears and bearings. The mounting plate has four bolt holes spaced 4.75" square. Ships without oil (16 oz of 80-90 W). Gearbox has a piloted flange bottom to fit in a 5-1/4" pilot hole in the mower/cutter deck.