Enerpac HCL-series lock nut cylinders are load-holding hydraulic cylinders built for sustained lifting and positioning, where a mechanical lock nut threads down on the plunger to hold the load without relying on hydraulic pressure. Enerpac, founded in 1910 and headquartered in Milwaukee, builds high-pressure hydraulic equipment rated to 10,000 PSI across capacity ranges from 5 to 1,000 tons, and the HCL line carries that pressure rating into applications that demand a positive mechanical hold. Northern Hydraulics supplies these cylinders across 66 catalog listings and cross-references discontinued part numbers against current-production equivalents, so if you are matching a legacy lock nut cylinder, request a cross-reference quote.
Lock nut cylinders are one family within Enerpac's broader high-force lineup, and the right choice depends on whether you need load-holding, cyclic lifting, or pump-driven actuation. For general single- and double-acting lifting where a mechanical hold is the priority, the HCL line and related Enerpac hydraulic cylinders cover the bulk of structural and maintenance work. Pair the cylinder with the correct power source from the Enerpac hydraulic pumps range, whether a P-series hand pump for portable jobs or a ZU-series electric pump for repeated cycles. For lighter portable lifting, the Enerpac hydraulic jacks category is the simpler option, while plumbing and accessories are covered under Enerpac hydraulic hoses, Enerpac hydraulic tools, and the wider Enerpac hydraulic tools catalog. To confirm fit on an HCL unit, match tonnage capacity, stroke length, collapsed and extended height, and the lock nut thread against the original part number.
The lock nut cylinder market runs on long service lives, so many units in the field carry part numbers that have since been revised or superseded. We cross-reference discontinued Enerpac lock nut cylinder numbers and identify equivalent current-production alternatives, the same way the RCH and RRH hollow plunger series now serve as modern options for tensioning and pulling work that older cylinders once handled. If you have a worn or obsolete HCL cylinder, send the cylinder model, tonnage, and stroke, and we will match a replacement or equivalent. Request a cross-reference quote to confirm the current part.
66 Enerpac HCL-Series Lock Nut Cylinders models · 24 priced online from $2,559.93 · 42 quoted on request · all in stock
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Yes. Every Enerpac product we list is factory-new and genuine — not aftermarket or remanufactured. Item SKUs match the manufacturer part numbers, so you can verify any model directly against Enerpac documentation.
Click Request a Quote on the product (or call (800) 823-4937). We confirm current pricing and availability with the manufacturer and typically respond within one business day.
Yes — Northern Hydraulics has supplied hydraulic equipment since 1963. Call (800) 823-4937 with your application details, or send a quote request with the model you are replacing and we will cross-reference it to the right Enerpac part.
Yes. For multi-unit or recurring orders, use the Request a Quote button — volume pricing on Enerpac equipment is quoted case by case, usually within one business day.