Accumulator Wrench

The FRD Accumulator Wrench (#KBM18442) is a specialized service tool designed for maintenance and servicing of accumulator assemblies on compatible Furukawa Rock Drill (FRD) hydraulic breakers. Built for use with specific FRD breaker models, this wrench helps technicians access and service accumulator components during routine maintenance and repairs.

Key features

• Specialized wrench for servicing FRD hydraulic breaker accumulators
• Designed for use with compatible F-Series and HB-Series breakers
• Supports accumulator maintenance, disassembly, and repair
• Suitable for professional hydraulic breaker service applications

Compatible equipment

FRD F3, F4, F6, F9, and HB8G hydraulic breakers. Verify compatibility with your specific breaker model before ordering.

Frequently asked questions

What is the part number?

The manufacturer part number is KBM18442.

Is this a genuine OEM part?

Yes. This is a genuine OEM FRD part.

Will this fit my breaker?

See the compatible equipment above. If your model is not listed, call us with your breaker model and serial number and we can confirm.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.