GEAR BOX PTO (111.9 STEP-UP) Hotsy Pacific Sale! from $383.00 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. PTO GEARED MULTIPLIER 1 to 1.9 Speed Multipler 1-3/8" Splined Shaft (Same shaft as standard tractor PTO) 540 RPM PTO speed multiplied to 1,026 RPM at pump shaft For Pumps with a 24 mm Shaft