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Conventional Pumping Unit Parts
Parts List
Gearbox Bottom
Lower housing of the gearbox that supports internal gears and shafts.
Qty: 1
Reducer Base
Mounting base that supports and aligns the gearbox assembly.
Qty: 1
Base
Main structural platform supporting the entire pumping unit.
Qty: 1
Weight Gear
Gear attached to the counterweight shaft that transfers rotational motion.
Qty: 1
Gearbox Gear
Primary drive gear inside the gearbox.
Qty: 1
Pulley Gear
Gear that transfers motion from the pulley drive to the gearbox.
Qty: 1
Weight Shaft Key
Locking key securing the gear to the weight shaft.
Qty: 1
Weight Shaft
Rotating shaft supporting the counterweight.
Qty: 1
Gearbox Shaft
Internal shaft transmitting rotation through the gearbox.
Qty: 1
Brake/Pulley Shaft
Shaft supporting the drive pulley assembly.
Qty: 1
Pulley
Rotating wheel transferring belt power to the gearbox.
Qty: 1
Motor
Electric motor that powers the pumping unit mechanism.
Qty: 1
Motor Platform
Mounting platform supporting the motor assembly.
Qty: 1
Motor Platform Leg Left
Left support leg stabilizing the motor platform.
Qty: 1
Motor Platform Leg Right
Right support leg stabilizing the motor platform.
Qty: 1
Post Back
Rear support post for the beam structure.
Qty: 1
Post Left
Left structural support for the saddle bearing assembly.
Qty: 1
Post Right
Right structural support for the saddle bearing assembly.
Qty: 1
Saddle Bearing
Bearing assembly supporting the walking beam pivot.
Qty: 1
Horsehead
Curved front piece attached to the walking beam.
Qty: 1
Walking Beam
Main beam converting rotary motion into pumping motion.
Qty: 1
Saddle Bearing Pin
Pin securing the walking beam to the saddle bearing.
Qty: 1
Pitman Arm Pin
Pin connecting the pitman arms to the crank assembly.
Qty: 2
Equalizer
Linkage distributing motion between pitman arms.
Qty: 1
Pitman Arm
Connecting arm transferring motion from crank to beam.
Qty: 2
Equalizer Pin
Pin securing the equalizer linkage.
Qty: 1
Crank
Rotating arm converting gearbox rotation into reciprocating motion.
Qty: 1
Weight
Counterweight balancing the pumping unit motion.
Qty: 1
Crank Pin
Pin connecting the pitman arm to the crank.
Qty: 1
Motor Pulley
Pulley mounted on the motor shaft driving the belt.
Qty: 1
Motor Shaft
Rotating shaft extending from the motor.
Qty: 1
Hand Wheel
Manual wheel used to rotate the mechanism by hand.
Qty: 1
Belt
Flexible belt transferring power from motor to gearbox.
Qty: 1
Belt Guard Shroud
Protective cover enclosing the belt drive.
Qty: 1
Belt Guard Side
Side panel completing the belt guard enclosure.
Qty: 1
Gearbox Top
Upper housing cover protecting gearbox components.
Qty: 1