Crankshaft Kit - PE304KB

This is a crankshaft kit (part number PE304KB) for the power end of SC-170DD and SC-170L reciprocating pumps. The crankshaft converts rotary drive input into the reciprocating motion of the crossheads and rods that drive each pumping stroke. The kit is an aftermarket replacement supplied under part number PE304KB and weighs about 356 lb.
What it is
The crankshaft in the power end converts rotary input into the reciprocating motion of the crossheads and rods that drive the pumping strokes.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 356.00 lb (≈ 161.48 kg, converted) |
Manufacturer technical notes
Crankshaft Kit PE304KB (SKU PE304KB), forged from API 7K-certified 42CrMo alloy steel with quenching + tempering (HBW 260-300), nitrided surface hardness ≥0.3mm depth, compatible with mud pump power ends, tensile strength ≥1080MPa, fatigue life ≥5×10⁶ cycles, ensuring high-pressure operational stability.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing PE304KB.
FAQ
- Which pumps does this crankshaft kit fit?
- It fits the SC-170DD and SC-170L pump models.
- What is the part number for this kit?
- It is supplied as an aftermarket replacement under part number PE304KB.
- What does the crankshaft do in the pump?
- In the power end, the crankshaft converts the rotary drive input into the reciprocating motion of the crossheads and rods that drive the pumping strokes.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
Need a quote or part lookup? Contact our team.