Caprock™ Pumping Unit Gear Box

The Caprock™ Gear Box features a combination of a ductile iron housing and forged high-tensile cast-steel gearing to produce a gear box that is superior to the common cast and steel combination.

1. Ductile Iron Case Houses component gears with a split center line for easy disassembly
2. Double Helical Gears Heat-Treated Steel Gear Teeth exceed API specs for pitting & bending stresses
3. Center Relief for positive relief flow to all gear tooth interfaces and a submerged gear & wiper system
4. Alloy Steel Shafts Rotating in oversized precision roller bearings. No bronze bushing to seize and no shaft to wear out

The CAPROCK™ Pumping Unit Bearing Assemblies Feature Machined Ductile Iron Casting With Oversized Double Row Self Aligning Roller Bearings And Large Lubricant Reservoir.

Angular Gussets Transfer Vertical And Tensional Stresses To The Walking Beam

The CAPROCK™ Pumping Unit Horsehead is fitted with steel casting to provide totally safe lockouts during inclement weather and regular maintenance

The Horsehead is easily removed and attached for well servicing

The CAPROCK™ Pumping Unit Counterbalance Weights and Crank arms have integral T-Slots and Graduate Markings for fast and easy installation and positioning of counterweights.

The cast Rack and Pinion locks the weights in place.